./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:15:43,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:15:43,115 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2023-12-02 20:15:43,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:15:43,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:15:43,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:15:43,144 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:15:43,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:15:43,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:15:43,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:15:43,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:15:43,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:15:43,148 INFO L153 SettingsManager]: * Use SBE=true [2023-12-02 20:15:43,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:15:43,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:15:43,149 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:15:43,150 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:15:43,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:15:43,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:15:43,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:15:43,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:15:43,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:15:43,153 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 20:15:43,153 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:15:43,154 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:15:43,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:15:43,154 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:15:43,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:15:43,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:15:43,155 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:15:43,156 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:15:43,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:15:43,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:15:43,157 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:15:43,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:15:43,158 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-02 20:15:43,158 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-12-02 20:15:43,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:15:43,158 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:15:43,159 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-12-02 20:15:43,159 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-12-02 20:15:43,160 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:15:43,160 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-12-02 20:15:43,160 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-12-02 20:15:43,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 [2023-12-02 20:15:43,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:15:43,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:15:43,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:15:43,428 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:15:43,428 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:15:43,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2023-12-02 20:15:46,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:15:46,236 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:15:46,237 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2023-12-02 20:15:46,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/data/9ae4238e5/eb3b235a35c34c4494ffdaa9dde4a14e/FLAGb30b20b25 [2023-12-02 20:15:46,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/data/9ae4238e5/eb3b235a35c34c4494ffdaa9dde4a14e [2023-12-02 20:15:46,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:15:46,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:15:46,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:15:46,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:15:46,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:15:46,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:15:46" (1/1) ... [2023-12-02 20:15:46,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a62f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:46, skipping insertion in model container [2023-12-02 20:15:46,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:15:46" (1/1) ... [2023-12-02 20:15:46,299 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:15:46,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:15:46,500 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:15:46,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:15:46,542 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:15:46,542 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:15:46,550 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:15:46,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:46 WrapperNode [2023-12-02 20:15:46,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:15:46,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:15:46,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:15:46,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:15:46,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:46" (1/1) ... [2023-12-02 20:15:46,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:46" (1/1) ... [2023-12-02 20:15:46,604 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 17, calls inlined = 23, statements flattened = 350 [2023-12-02 20:15:46,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:15:46,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:15:46,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:15:46,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:15:46,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:46" (1/1) ... [2023-12-02 20:15:46,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:46" (1/1) ... [2023-12-02 20:15:46,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:46" (1/1) ... [2023-12-02 20:15:46,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:46" (1/1) ... [2023-12-02 20:15:46,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:46" (1/1) ... [2023-12-02 20:15:46,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:46" (1/1) ... [2023-12-02 20:15:46,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:46" (1/1) ... [2023-12-02 20:15:46,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:46" (1/1) ... [2023-12-02 20:15:46,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:15:46,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:15:46,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:15:46,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:15:46,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:46" (1/1) ... [2023-12-02 20:15:46,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:15:46,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:15:46,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:15:46,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:15:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:15:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:15:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:15:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:15:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 20:15:46,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 20:15:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 20:15:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 20:15:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 20:15:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 20:15:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:15:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 20:15:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 20:15:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 20:15:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:15:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:15:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:15:46,723 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 20:15:46,836 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:15:46,839 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:15:47,310 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:15:47,794 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:15:47,794 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-12-02 20:15:47,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:15:47 BoogieIcfgContainer [2023-12-02 20:15:47,795 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:15:47,798 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:15:47,798 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:15:47,801 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:15:47,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:15:46" (1/3) ... [2023-12-02 20:15:47,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e13f1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:15:47, skipping insertion in model container [2023-12-02 20:15:47,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:46" (2/3) ... [2023-12-02 20:15:47,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e13f1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:15:47, skipping insertion in model container [2023-12-02 20:15:47,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:15:47" (3/3) ... [2023-12-02 20:15:47,804 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2023-12-02 20:15:47,814 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 20:15:47,825 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:15:47,825 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2023-12-02 20:15:47,825 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 20:15:47,993 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-12-02 20:15:48,036 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:15:48,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:15:48,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:15:48,041 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:15:48,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-12-02 20:15:48,083 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:15:48,095 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork2 ======== [2023-12-02 20:15:48,101 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7e4c163, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:15:48,101 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-12-02 20:15:48,706 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:15:48,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:15:48,711 INFO L85 PathProgramCache]: Analyzing trace with hash -145004481, now seen corresponding path program 1 times [2023-12-02 20:15:48,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:15:48,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749968604] [2023-12-02 20:15:48,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:48,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:15:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:48,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:15:48,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:15:48,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749968604] [2023-12-02 20:15:48,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749968604] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:15:48,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:15:48,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:15:48,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127949991] [2023-12-02 20:15:48,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:15:48,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 20:15:48,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:15:48,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 20:15:48,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 20:15:48,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:48,967 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:15:48,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:15:48,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:49,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:49,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:15:49,040 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:15:49,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:15:49,040 INFO L85 PathProgramCache]: Analyzing trace with hash 616532177, now seen corresponding path program 1 times [2023-12-02 20:15:49,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:15:49,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381608270] [2023-12-02 20:15:49,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:49,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:15:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:49,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:15:49,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:15:49,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381608270] [2023-12-02 20:15:49,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381608270] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:15:49,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:15:49,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:15:49,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403366035] [2023-12-02 20:15:49,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:15:49,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:15:49,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:15:49,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:15:49,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:15:49,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:49,231 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:15:49,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:15:49,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:49,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:49,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:49,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:49,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 20:15:49,370 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:15:49,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:15:49,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1951964689, now seen corresponding path program 1 times [2023-12-02 20:15:49,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:15:49,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618345364] [2023-12-02 20:15:49,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:49,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:15:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:49,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:15:49,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:15:49,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618345364] [2023-12-02 20:15:49,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618345364] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:15:49,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:15:49,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:15:49,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650857550] [2023-12-02 20:15:49,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:15:49,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:15:49,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:15:49,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:15:49,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:15:49,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:49,484 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:15:49,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:15:49,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:49,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:49,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:49,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:49,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:49,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:49,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 20:15:49,663 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:15:49,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:15:49,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1673998585, now seen corresponding path program 1 times [2023-12-02 20:15:49,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:15:49,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403217556] [2023-12-02 20:15:49,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:49,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:15:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:49,813 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 20:15:49,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:15:49,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403217556] [2023-12-02 20:15:49,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403217556] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:15:49,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:15:49,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:15:49,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602854454] [2023-12-02 20:15:49,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:15:49,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:15:49,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:15:49,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:15:49,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:15:49,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:49,817 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:15:49,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:15:49,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:49,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:49,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:49,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:49,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:49,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 20:15:49,964 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:15:49,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:15:49,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1747630945, now seen corresponding path program 1 times [2023-12-02 20:15:49,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:15:49,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894737452] [2023-12-02 20:15:49,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:49,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:15:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:50,176 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 20:15:50,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:15:50,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894737452] [2023-12-02 20:15:50,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894737452] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:15:50,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329036307] [2023-12-02 20:15:50,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:50,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:15:50,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:15:50,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:15:50,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 20:15:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:50,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 20:15:50,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:15:50,492 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 20:15:50,492 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:15:50,597 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 20:15:50,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329036307] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:15:50,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:15:50,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2023-12-02 20:15:50,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905039524] [2023-12-02 20:15:50,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:15:50,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 20:15:50,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:15:50,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 20:15:50,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2023-12-02 20:15:50,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:50,602 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:15:50,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 16 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:15:50,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:50,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:50,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:50,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:50,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:50,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:50,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:50,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:50,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:50,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:50,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 20:15:51,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:15:51,049 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:15:51,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:15:51,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1240844089, now seen corresponding path program 2 times [2023-12-02 20:15:51,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:15:51,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443813264] [2023-12-02 20:15:51,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:51,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:15:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:51,372 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:15:51,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:15:51,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443813264] [2023-12-02 20:15:51,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443813264] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:15:51,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662887172] [2023-12-02 20:15:51,373 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:15:51,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:15:51,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:15:51,375 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:15:51,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 20:15:51,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:15:51,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:15:51,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:15:51,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:15:51,617 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 20:15:51,618 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:15:51,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662887172] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:15:51,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:15:51,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2023-12-02 20:15:51,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273715923] [2023-12-02 20:15:51,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:15:51,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 20:15:51,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:15:51,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 20:15:51,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-12-02 20:15:51,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:51,621 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:15:51,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:15:51,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:51,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:51,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:51,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:51,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:51,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:51,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 20:15:51,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:15:51,988 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:15:51,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:15:51,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1917102970, now seen corresponding path program 1 times [2023-12-02 20:15:51,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:15:51,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524390825] [2023-12-02 20:15:51,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:51,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:15:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:52,282 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:15:52,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:15:52,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524390825] [2023-12-02 20:15:52,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524390825] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:15:52,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895511264] [2023-12-02 20:15:52,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:52,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:15:52,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:15:52,289 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:15:52,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 20:15:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:52,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:15:52,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:15:52,546 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 20:15:52,546 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:15:52,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895511264] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:15:52,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:15:52,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2023-12-02 20:15:52,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729515901] [2023-12-02 20:15:52,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:15:52,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:15:52,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:15:52,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:15:52,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2023-12-02 20:15:52,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:52,549 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:15:52,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:15:52,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:52,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:52,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:52,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:52,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:52,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:52,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:52,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:52,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:15:52,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 20:15:52,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:15:52,917 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:15:52,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:15:52,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1605171835, now seen corresponding path program 1 times [2023-12-02 20:15:52,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:15:52,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973363882] [2023-12-02 20:15:52,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:52,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:15:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:53,230 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:15:53,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:15:53,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973363882] [2023-12-02 20:15:53,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973363882] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:15:53,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675267549] [2023-12-02 20:15:53,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:53,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:15:53,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:15:53,233 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:15:53,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 20:15:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:53,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 20:15:53,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:15:53,685 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:15:53,685 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:15:53,884 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:15:53,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675267549] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:15:53,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:15:53,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2023-12-02 20:15:53,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160261217] [2023-12-02 20:15:53,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:15:53,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-02 20:15:53,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:15:53,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-02 20:15:53,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=639, Unknown=0, NotChecked=0, Total=756 [2023-12-02 20:15:53,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:53,888 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:15:53,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.9642857142857144) internal successors, (111), 27 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:15:54,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:15:54,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 20:15:54,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-02 20:15:54,420 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:15:54,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:15:54,421 INFO L85 PathProgramCache]: Analyzing trace with hash 564656095, now seen corresponding path program 2 times [2023-12-02 20:15:54,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:15:54,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121781686] [2023-12-02 20:15:54,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:54,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:15:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:54,679 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:15:54,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:15:54,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121781686] [2023-12-02 20:15:54,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121781686] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:15:54,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529580518] [2023-12-02 20:15:54,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:15:54,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:15:54,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:15:54,681 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:15:54,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 20:15:54,841 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:15:54,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:15:54,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:15:54,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:15:54,909 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:15:54,909 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:15:54,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529580518] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:15:54,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:15:54,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 14 [2023-12-02 20:15:54,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084021739] [2023-12-02 20:15:54,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:15:54,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 20:15:54,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:15:54,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 20:15:54,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-12-02 20:15:54,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:54,912 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:15:54,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:15:54,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:54,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:54,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:54,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:54,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:54,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:54,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:15:54,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:15:54,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:55,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:55,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:55,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:55,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:55,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:55,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:55,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:15:55,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:15:55,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:55,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 20:15:55,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-12-02 20:15:55,234 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:15:55,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:15:55,234 INFO L85 PathProgramCache]: Analyzing trace with hash 342882626, now seen corresponding path program 1 times [2023-12-02 20:15:55,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:15:55,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396893021] [2023-12-02 20:15:55,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:55,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:15:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:55,351 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:15:55,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:15:55,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396893021] [2023-12-02 20:15:55,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396893021] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:15:55,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200140556] [2023-12-02 20:15:55,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:55,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:15:55,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:15:55,353 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:15:55,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 20:15:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:55,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 20:15:55,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:15:55,843 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:15:55,843 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:15:56,229 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:15:56,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200140556] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:15:56,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:15:56,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 16, 16] total 35 [2023-12-02 20:15:56,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714621792] [2023-12-02 20:15:56,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:15:56,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-12-02 20:15:56,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:15:56,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-12-02 20:15:56,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=992, Unknown=0, NotChecked=0, Total=1190 [2023-12-02 20:15:56,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:56,233 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:15:56,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.6857142857142855) internal successors, (129), 35 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:15:56,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:56,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:56,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:56,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:56,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:56,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:56,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:15:56,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:15:56,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:56,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:56,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:56,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:56,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:56,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:56,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:56,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:56,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:15:56,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:15:56,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:56,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 20:15:56,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 20:15:56,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-02 20:15:56,935 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:15:56,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:15:56,936 INFO L85 PathProgramCache]: Analyzing trace with hash 587089437, now seen corresponding path program 1 times [2023-12-02 20:15:56,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:15:56,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053257707] [2023-12-02 20:15:56,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:56,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:15:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:57,044 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 20:15:57,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:15:57,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053257707] [2023-12-02 20:15:57,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053257707] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:15:57,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501449916] [2023-12-02 20:15:57,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:57,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:15:57,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:15:57,046 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:15:57,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 20:15:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:57,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:15:57,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:15:57,235 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 20:15:57,235 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:15:57,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501449916] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:15:57,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:15:57,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-12-02 20:15:57,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350666020] [2023-12-02 20:15:57,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:15:57,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:15:57,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:15:57,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:15:57,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-02 20:15:57,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:57,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:15:57,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:15:57,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:57,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:57,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:57,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:57,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:57,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:57,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:15:57,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:15:57,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:57,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-12-02 20:15:57,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:15:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:15:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 20:15:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:15:57,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 20:15:57,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-02 20:15:57,562 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:15:57,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:15:57,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1019904562, now seen corresponding path program 1 times [2023-12-02 20:15:57,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:15:57,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634077037] [2023-12-02 20:15:57,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:57,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:15:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:57,691 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 20:15:57,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:15:57,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634077037] [2023-12-02 20:15:57,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634077037] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:15:57,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241941589] [2023-12-02 20:15:57,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:57,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:15:57,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:15:57,693 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:15:57,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 20:15:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:57,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:15:57,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:15:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 20:15:57,891 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:15:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 20:15:57,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241941589] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:15:57,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:15:57,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-12-02 20:15:57,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44717137] [2023-12-02 20:15:57,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:15:57,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 20:15:57,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:15:57,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 20:15:57,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-12-02 20:15:57,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:57,953 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:15:57,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 12 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:15:57,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:57,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:57,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:57,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:57,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:57,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:57,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:15:57,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:15:57,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:57,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-12-02 20:15:57,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:15:57,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:58,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:58,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:58,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:58,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:58,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:15:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:15:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:15:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:15:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:15:58,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 20:15:58,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:15:58,440 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:15:58,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:15:58,440 INFO L85 PathProgramCache]: Analyzing trace with hash -2133655959, now seen corresponding path program 1 times [2023-12-02 20:15:58,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:15:58,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486002192] [2023-12-02 20:15:58,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:58,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:15:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:58,624 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 62 proven. 34 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 20:15:58,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:15:58,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486002192] [2023-12-02 20:15:58,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486002192] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:15:58,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019973153] [2023-12-02 20:15:58,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:58,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:15:58,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:15:58,626 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:15:58,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 20:15:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:58,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 20:15:58,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:15:59,324 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 75 proven. 41 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 20:15:59,324 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:15:59,847 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 94 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 20:15:59,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019973153] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:15:59,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:15:59,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 20, 20] total 45 [2023-12-02 20:15:59,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479004162] [2023-12-02 20:15:59,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:15:59,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-12-02 20:15:59,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:15:59,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-12-02 20:15:59,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=1714, Unknown=0, NotChecked=0, Total=1980 [2023-12-02 20:15:59,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:59,851 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:15:59,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.355555555555555) internal successors, (196), 45 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:15:59,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:59,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:59,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:59,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:59,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:59,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:59,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:15:59,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:15:59,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:59,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:15:59,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:15:59,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:15:59,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:00,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:00,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:00,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 20:16:00,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:00,599 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:16:00,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:00,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1768554618, now seen corresponding path program 2 times [2023-12-02 20:16:00,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:00,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515731371] [2023-12-02 20:16:00,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:00,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:00,821 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 53 proven. 78 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 20:16:00,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:00,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515731371] [2023-12-02 20:16:00,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515731371] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:16:00,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039296521] [2023-12-02 20:16:00,822 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:16:00,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:00,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:00,823 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:16:00,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 20:16:00,975 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-02 20:16:00,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:16:00,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:16:00,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:16:01,105 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-02 20:16:01,105 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:16:01,224 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-02 20:16:01,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039296521] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:16:01,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:16:01,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 3, 3] total 13 [2023-12-02 20:16:01,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379976673] [2023-12-02 20:16:01,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:16:01,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 20:16:01,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:01,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 20:16:01,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-12-02 20:16:01,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:01,228 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:01,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 13 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:01,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:01,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-12-02 20:16:02,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-12-02 20:16:02,147 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:16:02,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:02,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1538342390, now seen corresponding path program 1 times [2023-12-02 20:16:02,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:02,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37179764] [2023-12-02 20:16:02,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:02,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 58 proven. 63 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-12-02 20:16:02,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:02,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37179764] [2023-12-02 20:16:02,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37179764] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:16:02,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802564590] [2023-12-02 20:16:02,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:02,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:02,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:02,602 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:16:02,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-02 20:16:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:02,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 20:16:02,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:16:03,428 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 140 proven. 37 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-02 20:16:03,428 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:16:04,046 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 142 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-02 20:16:04,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802564590] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:16:04,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:16:04,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 24, 24] total 59 [2023-12-02 20:16:04,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434530462] [2023-12-02 20:16:04,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:16:04,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2023-12-02 20:16:04,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:04,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2023-12-02 20:16:04,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=527, Invalid=3013, Unknown=0, NotChecked=0, Total=3540 [2023-12-02 20:16:04,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:04,051 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:04,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 3.283333333333333) internal successors, (197), 59 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:04,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-12-02 20:16:04,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:04,950 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:16:04,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:04,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1122434908, now seen corresponding path program 2 times [2023-12-02 20:16:04,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:04,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164395875] [2023-12-02 20:16:04,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:04,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:05,243 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 58 proven. 140 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-12-02 20:16:05,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:05,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164395875] [2023-12-02 20:16:05,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164395875] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:16:05,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888066401] [2023-12-02 20:16:05,244 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:16:05,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:05,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:05,245 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:16:05,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-02 20:16:05,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-02 20:16:05,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:16:05,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 20:16:05,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:16:05,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2023-12-02 20:16:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2023-12-02 20:16:05,592 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:16:05,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2023-12-02 20:16:05,750 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2023-12-02 20:16:05,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888066401] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:16:05,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:16:05,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 20 [2023-12-02 20:16:05,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471020951] [2023-12-02 20:16:05,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:16:05,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 20:16:05,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:05,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 20:16:05,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2023-12-02 20:16:05,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:05,754 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:05,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.85) internal successors, (177), 20 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:05,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:05,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:05,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:05,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:05,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:05,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:05,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:05,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:05,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:05,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:05,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:05,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:05,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:05,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:06,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:06,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:16:06,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-12-02 20:16:06,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:06,661 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:16:06,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:06,661 INFO L85 PathProgramCache]: Analyzing trace with hash -494891665, now seen corresponding path program 1 times [2023-12-02 20:16:06,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:06,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179095297] [2023-12-02 20:16:06,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:06,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:07,176 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 72 proven. 86 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2023-12-02 20:16:07,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:07,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179095297] [2023-12-02 20:16:07,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179095297] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:16:07,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367068866] [2023-12-02 20:16:07,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:07,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:07,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:07,177 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:16:07,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-02 20:16:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:07,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 20:16:07,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:16:08,024 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 197 proven. 87 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-12-02 20:16:08,024 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:16:08,900 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 233 proven. 51 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-12-02 20:16:08,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367068866] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:16:08,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:16:08,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 28, 28] total 69 [2023-12-02 20:16:08,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065099157] [2023-12-02 20:16:08,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:16:08,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2023-12-02 20:16:08,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:08,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2023-12-02 20:16:08,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=654, Invalid=4176, Unknown=0, NotChecked=0, Total=4830 [2023-12-02 20:16:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:08,904 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:08,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 3.4714285714285715) internal successors, (243), 69 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:08,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:08,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:08,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:08,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:08,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:08,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:08,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:08,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:08,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:08,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:08,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:08,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:08,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:08,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:08,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:08,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:16:08,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:09,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:09,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:09,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:09,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:09,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:09,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:09,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:09,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:09,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:16:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:16:09,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-12-02 20:16:09,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:09,761 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:16:09,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:09,761 INFO L85 PathProgramCache]: Analyzing trace with hash -805176107, now seen corresponding path program 2 times [2023-12-02 20:16:09,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:09,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860090766] [2023-12-02 20:16:09,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:09,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 72 proven. 220 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-12-02 20:16:10,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:10,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860090766] [2023-12-02 20:16:10,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860090766] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:16:10,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371980910] [2023-12-02 20:16:10,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:16:10,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:10,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:10,124 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:16:10,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-02 20:16:10,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:16:10,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:16:10,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 20:16:10,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:16:10,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2023-12-02 20:16:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2023-12-02 20:16:10,593 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:16:10,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2023-12-02 20:16:10,798 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2023-12-02 20:16:10,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371980910] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:16:10,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:16:10,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 25 [2023-12-02 20:16:10,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760840920] [2023-12-02 20:16:10,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:16:10,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 20:16:10,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:10,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 20:16:10,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600 [2023-12-02 20:16:10,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:10,801 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:10,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.04) internal successors, (176), 25 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:10,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:10,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:10,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:10,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:10,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:10,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:10,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:10,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:10,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:10,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:10,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:16:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:16:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:11,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:11,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:11,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:11,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:11,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:11,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:16:11,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:16:11,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:11,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-12-02 20:16:11,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:11,563 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:16:11,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:11,563 INFO L85 PathProgramCache]: Analyzing trace with hash -555161538, now seen corresponding path program 3 times [2023-12-02 20:16:11,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:11,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473256354] [2023-12-02 20:16:11,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:11,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:12,181 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 86 proven. 112 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2023-12-02 20:16:12,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:12,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473256354] [2023-12-02 20:16:12,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473256354] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:16:12,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17954770] [2023-12-02 20:16:12,181 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:16:12,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:12,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:12,183 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:16:12,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-02 20:16:12,365 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 20:16:12,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:16:12,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:16:12,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:16:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 86 proven. 42 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2023-12-02 20:16:12,556 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:16:12,731 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 86 proven. 42 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2023-12-02 20:16:12,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17954770] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:16:12,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:16:12,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 4, 4] total 22 [2023-12-02 20:16:12,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413819349] [2023-12-02 20:16:12,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:16:12,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-02 20:16:12,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:12,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-02 20:16:12,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=411, Unknown=0, NotChecked=0, Total=506 [2023-12-02 20:16:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:12,734 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:12,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.217391304347826) internal successors, (120), 22 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:12,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:12,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:12,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:16:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:16:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:13,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:13,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:13,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:13,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:13,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:16:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:16:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:13,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:13,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-12-02 20:16:13,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:13,628 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:16:13,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:13,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1259012338, now seen corresponding path program 1 times [2023-12-02 20:16:13,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:13,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289850197] [2023-12-02 20:16:13,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:13,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:14,806 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 295 proven. 195 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 20:16:14,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:14,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289850197] [2023-12-02 20:16:14,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289850197] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:16:14,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361710906] [2023-12-02 20:16:14,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:14,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:14,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:14,807 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:16:14,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-02 20:16:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:15,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-02 20:16:15,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:16:16,310 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 288 proven. 145 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-02 20:16:16,310 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:16:17,715 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 341 proven. 92 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-02 20:16:17,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361710906] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:16:17,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:16:17,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 104 [2023-12-02 20:16:17,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326287484] [2023-12-02 20:16:17,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:16:17,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2023-12-02 20:16:17,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:17,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2023-12-02 20:16:17,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1195, Invalid=9725, Unknown=0, NotChecked=0, Total=10920 [2023-12-02 20:16:17,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:17,723 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:17,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 3.6285714285714286) internal successors, (381), 104 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:17,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:17,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:17,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:17,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:17,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:17,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:17,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:17,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:17,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:17,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:17,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:17,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:17,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:17,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:17,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:17,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:16:17,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:16:17,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:17,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:17,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:18,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:18,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:18,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:18,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:18,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:16:18,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:16:18,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:18,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:18,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:16:18,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-12-02 20:16:18,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:18,802 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:16:18,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:18,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1708940504, now seen corresponding path program 2 times [2023-12-02 20:16:18,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:18,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637115358] [2023-12-02 20:16:18,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:18,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:19,978 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 229 proven. 286 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 20:16:19,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:19,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637115358] [2023-12-02 20:16:19,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637115358] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:16:19,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674060951] [2023-12-02 20:16:19,979 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:16:19,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:19,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:19,980 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:16:19,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-12-02 20:16:20,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:16:20,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:16:20,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 20:16:20,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:16:21,535 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 340 proven. 121 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-12-02 20:16:21,535 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:16:23,132 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 344 proven. 117 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-12-02 20:16:23,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674060951] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:16:23,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:16:23,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 115 [2023-12-02 20:16:23,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463796329] [2023-12-02 20:16:23,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:16:23,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2023-12-02 20:16:23,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:23,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2023-12-02 20:16:23,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1549, Invalid=11791, Unknown=0, NotChecked=0, Total=13340 [2023-12-02 20:16:23,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:23,139 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:23,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 3.3706896551724137) internal successors, (391), 115 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:23,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:23,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:23,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:23,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:23,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:16:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:16:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:16:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:16:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:16:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:16:24,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:24,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-12-02 20:16:24,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:24,238 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:16:24,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:24,239 INFO L85 PathProgramCache]: Analyzing trace with hash 926002994, now seen corresponding path program 3 times [2023-12-02 20:16:24,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:24,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544757062] [2023-12-02 20:16:24,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:24,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:25,490 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 199 proven. 344 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 20:16:25,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:25,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544757062] [2023-12-02 20:16:25,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544757062] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:16:25,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419437802] [2023-12-02 20:16:25,490 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:16:25,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:25,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:25,491 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:16:25,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-12-02 20:16:25,703 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-12-02 20:16:25,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:16:25,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 20:16:25,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:16:25,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 20:16:26,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:16:26,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-02 20:16:26,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:16:26,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:16:26,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:16:26,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:16:26,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:16:26,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:16:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2023-12-02 20:16:26,701 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:16:32,287 INFO L349 Elim1Store]: treesize reduction 21, result has 54.3 percent of original size [2023-12-02 20:16:32,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 43 [2023-12-02 20:16:32,300 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:16:32,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 279 treesize of output 271 [2023-12-02 20:16:32,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 120 [2023-12-02 20:16:32,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 58 [2023-12-02 20:16:32,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 110 [2023-12-02 20:16:32,762 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2023-12-02 20:16:32,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419437802] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:16:32,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:16:32,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 9, 9] total 62 [2023-12-02 20:16:32,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183575306] [2023-12-02 20:16:32,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:16:32,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2023-12-02 20:16:32,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:32,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2023-12-02 20:16:32,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=274, Invalid=3564, Unknown=68, NotChecked=0, Total=3906 [2023-12-02 20:16:32,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:32,766 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:32,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 4.158730158730159) internal successors, (262), 62 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:32,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:32,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:32,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:32,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:32,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:32,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:32,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:16:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:16:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:16:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:36,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:36,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:36,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:36,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:16:36,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-12-02 20:16:36,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:36,275 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:16:36,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:36,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1892940135, now seen corresponding path program 1 times [2023-12-02 20:16:36,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:36,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323067882] [2023-12-02 20:16:36,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:36,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 205 proven. 369 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 20:16:37,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:37,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323067882] [2023-12-02 20:16:37,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323067882] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:16:37,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983943360] [2023-12-02 20:16:37,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:37,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:37,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:37,898 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:16:37,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-12-02 20:16:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:38,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 20:16:38,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:16:40,173 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 375 proven. 181 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-02 20:16:40,173 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:16:42,668 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 380 proven. 176 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-02 20:16:42,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983943360] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:16:42,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:16:42,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 139 [2023-12-02 20:16:42,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696179378] [2023-12-02 20:16:42,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:16:42,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 140 states [2023-12-02 20:16:42,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:42,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2023-12-02 20:16:42,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2225, Invalid=17235, Unknown=0, NotChecked=0, Total=19460 [2023-12-02 20:16:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:42,678 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:42,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 140 states, 140 states have (on average 3.1785714285714284) internal successors, (445), 139 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:42,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:42,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:42,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:42,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:42,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:42,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:42,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:42,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:42,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:42,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:42,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:42,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:42,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:42,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:42,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:42,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:16:42,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:16:42,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:42,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:42,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:16:42,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:42,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:16:42,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:16:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:16:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:16:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:16:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:16:44,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-12-02 20:16:44,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-12-02 20:16:44,232 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:16:44,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:44,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1532187277, now seen corresponding path program 2 times [2023-12-02 20:16:44,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:44,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229234273] [2023-12-02 20:16:44,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:44,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:45,872 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 247 proven. 361 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 20:16:45,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:45,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229234273] [2023-12-02 20:16:45,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229234273] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:16:45,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275118648] [2023-12-02 20:16:45,872 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:16:45,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:45,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:45,873 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:16:45,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-12-02 20:16:46,138 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:16:46,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:16:46,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 54 conjunts are in the unsatisfiable core [2023-12-02 20:16:46,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:16:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 310 proven. 297 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 20:16:48,499 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:16:51,565 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 397 proven. 210 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 20:16:51,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275118648] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:16:51,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:16:51,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52, 52] total 152 [2023-12-02 20:16:51,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204707193] [2023-12-02 20:16:51,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:16:51,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 153 states [2023-12-02 20:16:51,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:51,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2023-12-02 20:16:51,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2523, Invalid=20733, Unknown=0, NotChecked=0, Total=23256 [2023-12-02 20:16:51,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:51,572 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:51,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 153 states, 153 states have (on average 3.183006535947712) internal successors, (487), 152 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:16:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:16:51,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:51,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:51,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:16:51,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:51,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:16:51,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:16:51,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:53,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:53,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:53,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:53,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:53,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:53,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:53,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:53,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:53,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:53,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:53,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:53,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:53,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:16:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:16:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:16:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:16:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:16:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:16:53,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-12-02 20:16:53,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-12-02 20:16:53,401 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:16:53,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:53,401 INFO L85 PathProgramCache]: Analyzing trace with hash -351969191, now seen corresponding path program 3 times [2023-12-02 20:16:53,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:53,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613731840] [2023-12-02 20:16:53,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:53,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:55,270 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 325 proven. 320 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 20:16:55,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:55,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613731840] [2023-12-02 20:16:55,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613731840] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:16:55,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459292440] [2023-12-02 20:16:55,271 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:16:55,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:55,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:55,272 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:16:55,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-12-02 20:16:55,477 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-12-02 20:16:55,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:16:55,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 20:16:55,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:16:55,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 20:16:55,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:16:55,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-12-02 20:16:56,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:16:56,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:16:56,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:16:56,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:16:56,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:16:56,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:16:56,652 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2023-12-02 20:16:56,652 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:16:56,874 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1307 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1307) c_~B~0.base) c_~B~0.offset) 4294967296)) is different from false [2023-12-02 20:16:56,884 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1307 (Array Int Int)) (v_ArrVal_1306 (Array Int Int))) (< (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1306) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1307) c_~B~0.base) c_~B~0.offset) 4294967296)) is different from false [2023-12-02 20:16:59,414 INFO L349 Elim1Store]: treesize reduction 21, result has 54.3 percent of original size [2023-12-02 20:16:59,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 41 [2023-12-02 20:16:59,423 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:16:59,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 245 treesize of output 237 [2023-12-02 20:16:59,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 104 [2023-12-02 20:16:59,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 50 [2023-12-02 20:16:59,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 94 [2023-12-02 20:16:59,874 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2023-12-02 20:16:59,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459292440] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:16:59,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:16:59,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 9, 9] total 74 [2023-12-02 20:16:59,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380418264] [2023-12-02 20:16:59,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:16:59,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2023-12-02 20:16:59,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:59,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2023-12-02 20:16:59,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=427, Invalid=4818, Unknown=19, NotChecked=286, Total=5550 [2023-12-02 20:16:59,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:59,876 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:59,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 3.6133333333333333) internal successors, (271), 74 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:16:59,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:16:59,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:16:59,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:16:59,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:16:59,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:03,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:03,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:03,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:03,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:03,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:17:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:17:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:17:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:17:03,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:03,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:17:03,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:17:03,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:03,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 20:17:03,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-12-02 20:17:03,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-12-02 20:17:03,910 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:17:03,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:17:03,910 INFO L85 PathProgramCache]: Analyzing trace with hash 922745781, now seen corresponding path program 1 times [2023-12-02 20:17:03,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:17:03,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328589881] [2023-12-02 20:17:03,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:17:03,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:17:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:17:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2023-12-02 20:17:04,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:17:04,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328589881] [2023-12-02 20:17:04,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328589881] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:17:04,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:17:04,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 20:17:04,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144701226] [2023-12-02 20:17:04,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:17:04,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:17:04,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:17:04,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:17:04,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:17:04,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:04,144 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:17:04,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:17:04,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:04,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:04,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:04,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:04,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:04,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:04,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:04,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:04,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:04,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:04,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:04,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:04,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:17:04,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:17:04,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:04,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:04,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:17:04,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:04,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:04,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:17:04,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:04,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:17:04,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:17:04,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:04,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-12-02 20:17:04,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:17:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:17:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:17:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:17:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:17:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:17:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:04,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 20:17:04,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:04,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-02 20:17:04,330 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:17:04,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:17:04,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1995471928, now seen corresponding path program 1 times [2023-12-02 20:17:04,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:17:04,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406107863] [2023-12-02 20:17:04,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:17:04,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:17:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:17:04,469 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2023-12-02 20:17:04,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:17:04,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406107863] [2023-12-02 20:17:04,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406107863] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:17:04,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:17:04,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:17:04,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380354184] [2023-12-02 20:17:04,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:17:04,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:17:04,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:17:04,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:17:04,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:17:04,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:04,471 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:17:04,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:17:04,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:04,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:04,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:04,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:04,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:04,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:04,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:04,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:04,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:04,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:04,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:04,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:04,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:17:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:17:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:17:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:17:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:17:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:17:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-12-02 20:17:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:17:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:17:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:17:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:17:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:17:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:17:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 20:17:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:04,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-02 20:17:04,758 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:17:04,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:17:04,759 INFO L85 PathProgramCache]: Analyzing trace with hash 205439223, now seen corresponding path program 1 times [2023-12-02 20:17:04,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:17:04,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819027310] [2023-12-02 20:17:04,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:17:04,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:17:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:17:06,983 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 247 proven. 502 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 20:17:06,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:17:06,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819027310] [2023-12-02 20:17:06,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819027310] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:17:06,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671024826] [2023-12-02 20:17:06,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:17:06,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:17:06,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:17:06,985 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:17:06,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-12-02 20:17:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:17:07,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 62 conjunts are in the unsatisfiable core [2023-12-02 20:17:07,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:17:10,312 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 366 proven. 378 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:17:10,312 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:17:13,946 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 457 proven. 287 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:17:13,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671024826] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:17:13,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:17:13,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 60, 60] total 175 [2023-12-02 20:17:13,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764655250] [2023-12-02 20:17:13,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:17:13,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 176 states [2023-12-02 20:17:13,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:17:13,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2023-12-02 20:17:13,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3328, Invalid=27472, Unknown=0, NotChecked=0, Total=30800 [2023-12-02 20:17:13,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:13,954 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:17:13,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 176 states, 176 states have (on average 3.090909090909091) internal successors, (544), 175 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:17:13,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:13,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:13,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:13,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:13,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:13,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:13,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:13,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:13,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:13,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:13,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:13,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:13,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:17:13,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:17:13,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:13,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:13,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:17:13,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:13,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:13,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:17:13,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:13,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:17:13,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:17:13,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:13,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-12-02 20:17:13,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:13,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:13,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:17:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:17:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:17:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 20:17:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:17:15,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2023-12-02 20:17:15,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-12-02 20:17:15,936 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:17:15,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:17:15,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1415395747, now seen corresponding path program 2 times [2023-12-02 20:17:15,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:17:15,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292952853] [2023-12-02 20:17:15,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:17:15,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:17:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:17:18,434 INFO L134 CoverageAnalysis]: Checked inductivity of 799 backedges. 247 proven. 545 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 20:17:18,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:17:18,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292952853] [2023-12-02 20:17:18,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292952853] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:17:18,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277087821] [2023-12-02 20:17:18,435 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:17:18,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:17:18,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:17:18,436 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:17:18,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-12-02 20:17:18,705 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:17:18,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:17:18,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 20:17:18,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:17:18,762 INFO L134 CoverageAnalysis]: Checked inductivity of 799 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2023-12-02 20:17:18,763 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:17:18,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277087821] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:17:18,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:17:18,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [64] total 66 [2023-12-02 20:17:18,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983549264] [2023-12-02 20:17:18,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:17:18,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:17:18,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:17:18,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:17:18,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=450, Invalid=3840, Unknown=0, NotChecked=0, Total=4290 [2023-12-02 20:17:18,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:18,765 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:17:18,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:17:18,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:18,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:17:18,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:17:18,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:18,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-12-02 20:17:18,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:18,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:18,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:17:18,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:18,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:18,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:18,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:18,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:18,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:18,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:18,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:18,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:18,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:18,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:18,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:17:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:17:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:17:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:17:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:17:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:17:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 20:17:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:17:18,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:18,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-12-02 20:17:19,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-12-02 20:17:19,067 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:17:19,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:17:19,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1415395746, now seen corresponding path program 1 times [2023-12-02 20:17:19,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:17:19,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469935490] [2023-12-02 20:17:19,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:17:19,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:17:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:17:21,331 INFO L134 CoverageAnalysis]: Checked inductivity of 799 backedges. 247 proven. 545 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 20:17:21,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:17:21,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469935490] [2023-12-02 20:17:21,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469935490] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:17:21,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865057427] [2023-12-02 20:17:21,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:17:21,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:17:21,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:17:21,333 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:17:21,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-12-02 20:17:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:17:21,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 66 conjunts are in the unsatisfiable core [2023-12-02 20:17:21,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:17:24,958 INFO L134 CoverageAnalysis]: Checked inductivity of 799 backedges. 315 proven. 477 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 20:17:24,958 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:17:29,046 INFO L134 CoverageAnalysis]: Checked inductivity of 799 backedges. 462 proven. 330 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 20:17:29,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865057427] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:17:29,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:17:29,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64, 64] total 183 [2023-12-02 20:17:29,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857225880] [2023-12-02 20:17:29,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:17:29,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 184 states [2023-12-02 20:17:29,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:17:29,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2023-12-02 20:17:29,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3615, Invalid=30057, Unknown=0, NotChecked=0, Total=33672 [2023-12-02 20:17:29,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:29,052 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:17:29,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 184 states, 184 states have (on average 3.010869565217391) internal successors, (554), 183 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:17:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:29,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:29,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:29,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:29,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:29,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:29,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:29,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:17:29,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:17:29,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:29,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:29,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:17:29,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:29,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:29,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:17:29,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:29,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:17:29,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:17:29,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:29,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-12-02 20:17:29,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:29,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:29,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:17:29,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:29,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:31,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:17:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:17:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:17:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:17:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:17:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:17:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 20:17:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:17:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:17:31,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2023-12-02 20:17:31,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:17:31,278 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:17:31,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:17:31,278 INFO L85 PathProgramCache]: Analyzing trace with hash 607321912, now seen corresponding path program 2 times [2023-12-02 20:17:31,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:17:31,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228012255] [2023-12-02 20:17:31,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:17:31,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:17:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:17:31,555 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 783 trivial. 0 not checked. [2023-12-02 20:17:31,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:17:31,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228012255] [2023-12-02 20:17:31,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228012255] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:17:31,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:17:31,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:17:31,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142444968] [2023-12-02 20:17:31,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:17:31,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:17:31,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:17:31,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:17:31,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:17:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:31,558 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:17:31,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:17:31,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:31,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:31,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:31,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:31,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:31,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:31,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:31,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:17:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:17:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:17:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:17:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:17:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:17:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:17:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:17:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:17:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:17:31,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:31,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-02 20:17:31,876 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:17:31,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:17:31,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1842556374, now seen corresponding path program 1 times [2023-12-02 20:17:31,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:17:31,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536414131] [2023-12-02 20:17:31,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:17:31,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:17:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:17:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 1 proven. 42 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:17:32,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:17:32,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536414131] [2023-12-02 20:17:32,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536414131] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:17:32,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361981411] [2023-12-02 20:17:32,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:17:32,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:17:32,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:17:32,569 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:17:32,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-12-02 20:17:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:17:32,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 20:17:32,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:17:33,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2023-12-02 20:17:33,143 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:17:33,143 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:17:33,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2023-12-02 20:17:33,486 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:17:33,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361981411] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:17:33,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:17:33,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 29 [2023-12-02 20:17:33,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707934780] [2023-12-02 20:17:33,487 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:17:33,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-12-02 20:17:33,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:17:33,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-12-02 20:17:33,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=699, Unknown=0, NotChecked=0, Total=812 [2023-12-02 20:17:33,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:33,489 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:17:33,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.896551724137931) internal successors, (84), 29 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:17:33,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:33,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:33,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:33,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:33,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:17:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:17:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:17:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:17:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:17:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:17:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:17:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:17:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:17:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:33,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:33,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:33,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:33,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:33,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:17:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:17:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:17:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:17:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:33,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:17:33,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:17:33,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:33,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:17:33,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:33,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:33,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:17:33,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:33,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:17:33,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:33,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:17:33,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2023-12-02 20:17:34,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:17:34,093 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:17:34,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:17:34,093 INFO L85 PathProgramCache]: Analyzing trace with hash 93054699, now seen corresponding path program 2 times [2023-12-02 20:17:34,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:17:34,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452250657] [2023-12-02 20:17:34,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:17:34,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:17:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:17:36,648 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:17:36,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:17:36,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452250657] [2023-12-02 20:17:36,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452250657] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:17:36,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362107074] [2023-12-02 20:17:36,649 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:17:36,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:17:36,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:17:36,650 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:17:36,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-12-02 20:17:36,929 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:17:36,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:17:36,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 20:17:36,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:17:37,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-12-02 20:17:37,463 INFO L349 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2023-12-02 20:17:37,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 21 [2023-12-02 20:17:37,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:17:37,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2023-12-02 20:17:37,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:17:37,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2023-12-02 20:17:37,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:17:37,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2023-12-02 20:17:38,969 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 1 proven. 49 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:17:38,969 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:17:42,732 INFO L349 Elim1Store]: treesize reduction 16, result has 65.2 percent of original size [2023-12-02 20:17:42,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 124 treesize of output 96 [2023-12-02 20:17:42,787 INFO L349 Elim1Store]: treesize reduction 4, result has 91.5 percent of original size [2023-12-02 20:17:42,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1685 treesize of output 1639 [2023-12-02 20:17:42,853 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:17:42,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 349 treesize of output 293 [2023-12-02 20:17:42,887 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:17:42,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 296 treesize of output 276 [2023-12-02 20:17:42,932 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:17:42,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 166 treesize of output 164 [2023-12-02 20:17:48,965 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:17:48,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362107074] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:17:48,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:17:48,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 48 [2023-12-02 20:17:48,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962653753] [2023-12-02 20:17:48,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:17:48,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-12-02 20:17:48,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:17:48,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-12-02 20:17:48,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=2253, Unknown=6, NotChecked=0, Total=2450 [2023-12-02 20:17:48,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:48,969 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:17:48,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 3.163265306122449) internal successors, (155), 49 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:17:48,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:48,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:48,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:48,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:48,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:17:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:17:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:17:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:48,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:17:48,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:48,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:17:48,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:17:48,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:48,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:17:48,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:48,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:48,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:17:48,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:48,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:17:48,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:48,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:17:48,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:51,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:51,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:51,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:51,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:51,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:51,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:51,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:51,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:51,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:51,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:17:51,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:51,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2023-12-02 20:17:51,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2023-12-02 20:17:51,807 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:17:51,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:17:51,808 INFO L85 PathProgramCache]: Analyzing trace with hash -108081525, now seen corresponding path program 3 times [2023-12-02 20:17:51,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:17:51,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562387920] [2023-12-02 20:17:51,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:17:51,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:17:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:17:54,241 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 28 proven. 45 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:17:54,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:17:54,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562387920] [2023-12-02 20:17:54,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562387920] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:17:54,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398780647] [2023-12-02 20:17:54,242 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:17:54,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:17:54,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:17:54,243 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:17:54,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-12-02 20:17:55,022 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-12-02 20:17:55,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:17:55,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 20:17:55,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:17:55,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 20:17:55,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:17:55,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-02 20:17:55,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:17:55,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-02 20:17:55,787 INFO L349 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2023-12-02 20:17:55,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 17 [2023-12-02 20:17:55,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:17:55,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2023-12-02 20:17:56,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:17:56,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2023-12-02 20:17:56,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:17:56,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2023-12-02 20:17:57,095 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 3 proven. 70 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:17:57,095 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:18:10,210 INFO L349 Elim1Store]: treesize reduction 124, result has 34.0 percent of original size [2023-12-02 20:18:10,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 162 treesize of output 126 [2023-12-02 20:18:10,371 INFO L349 Elim1Store]: treesize reduction 28, result has 77.2 percent of original size [2023-12-02 20:18:10,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 959 treesize of output 989 [2023-12-02 20:18:10,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:18:10,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 408 treesize of output 358 [2023-12-02 20:18:10,470 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:18:10,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 285 treesize of output 267 [2023-12-02 20:18:10,511 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:18:10,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 162 [2023-12-02 20:18:12,405 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 0 proven. 70 refuted. 3 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:18:12,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398780647] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:18:12,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:18:12,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19, 19] total 54 [2023-12-02 20:18:12,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954312735] [2023-12-02 20:18:12,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:18:12,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-12-02 20:18:12,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:18:12,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-12-02 20:18:12,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=2787, Unknown=40, NotChecked=0, Total=3080 [2023-12-02 20:18:12,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:12,408 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:18:12,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 55 states have (on average 3.1454545454545455) internal successors, (173), 55 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:18:12,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:12,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:12,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:12,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:12,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:18:12,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:18:12,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:18:12,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:18:12,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:12,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:18:12,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:18:12,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:18:12,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:18:12,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:18:12,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:18:12,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:18:12,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:18:12,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:18:12,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:18:12,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:18:12,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:18:12,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:18:12,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:18:12,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:18:12,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:18:12,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:12,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:12,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:18:12,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:12,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:18:12,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:12,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:18:12,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:18:12,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:16,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:18:31,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:18:33,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:18:36,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:36,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:36,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:36,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:36,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:18:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:18:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:18:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:18:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:18:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:18:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:18:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:18:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:18:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:18:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:18:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:18:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:18:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:18:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:18:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:18:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:18:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:18:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:18:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:18:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:18:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:18:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:18:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:18:36,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:18:36,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2023-12-02 20:18:37,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2023-12-02 20:18:37,151 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:18:37,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:18:37,152 INFO L85 PathProgramCache]: Analyzing trace with hash -108081524, now seen corresponding path program 1 times [2023-12-02 20:18:37,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:18:37,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675505393] [2023-12-02 20:18:37,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:18:37,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:18:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:18:40,102 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 30 proven. 182 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2023-12-02 20:18:40,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:18:40,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675505393] [2023-12-02 20:18:40,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675505393] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:18:40,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78946196] [2023-12-02 20:18:40,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:18:40,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:18:40,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:18:40,103 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:18:40,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-12-02 20:18:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:18:40,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-02 20:18:40,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:18:40,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 20:18:41,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:41,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-12-02 20:18:41,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:41,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-12-02 20:18:41,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:41,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-12-02 20:18:41,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:41,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:18:41,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:41,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:18:41,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:41,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:18:42,446 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 44 proven. 75 refuted. 0 times theorem prover too weak. 709 trivial. 0 not checked. [2023-12-02 20:18:42,446 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:18:42,896 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2220 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_2220) c_~B~0.base) (+ 4 c_~B~0.offset)) 4294967296)) is different from false [2023-12-02 20:18:42,909 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2219 (Array Int Int)) (v_ArrVal_2220 (Array Int Int))) (< (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_2219) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_2220) c_~B~0.base) (+ 4 c_~B~0.offset)) 4294967296)) is different from false [2023-12-02 20:19:10,232 INFO L349 Elim1Store]: treesize reduction 139, result has 26.1 percent of original size [2023-12-02 20:19:10,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 67 [2023-12-02 20:19:10,246 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:19:10,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1105 treesize of output 1057 [2023-12-02 20:19:10,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2023-12-02 20:19:10,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 102 [2023-12-02 20:19:10,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2023-12-02 20:19:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 5 proven. 66 refuted. 2 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:19:10,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78946196] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:19:10,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:19:10,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 17] total 57 [2023-12-02 20:19:10,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665942872] [2023-12-02 20:19:10,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:19:10,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2023-12-02 20:19:10,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:19:10,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2023-12-02 20:19:10,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=2902, Unknown=40, NotChecked=222, Total=3422 [2023-12-02 20:19:10,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:19:10,927 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:19:10,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 58 states have (on average 3.4827586206896552) internal successors, (202), 58 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:19:10,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:19:10,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:10,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:10,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:10,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:19:10,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:19:10,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:19:10,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:19:10,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:10,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:19:10,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:19:10,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:19:10,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:19:10,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:19:10,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:10,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:19:10,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:19:10,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:10,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:19:10,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:19:10,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:19:10,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:19:10,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:19:10,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:19:10,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:19:10,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:10,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:10,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:19:10,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:10,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:19:10,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:10,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:19:10,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:19:10,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:19:10,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:19:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:19:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:19:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:19:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:19:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:19:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:19:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:19:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:19:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:19:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:19:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:19:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:19:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:19:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:19:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:19:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:19:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:19:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:19:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:19:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:19:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:19:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:19:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:19:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:19:15,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:19:15,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2023-12-02 20:19:15,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2023-12-02 20:19:15,420 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:19:15,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:19:15,421 INFO L85 PathProgramCache]: Analyzing trace with hash -787088175, now seen corresponding path program 1 times [2023-12-02 20:19:15,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:19:15,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729204254] [2023-12-02 20:19:15,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:19:15,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:19:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:19:15,607 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2023-12-02 20:19:15,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:19:15,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729204254] [2023-12-02 20:19:15,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729204254] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:19:15,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554010395] [2023-12-02 20:19:15,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:19:15,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:19:15,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:19:15,609 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:19:15,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-12-02 20:19:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:19:15,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:19:15,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:19:15,941 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2023-12-02 20:19:15,942 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:19:15,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554010395] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:19:15,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:19:15,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-12-02 20:19:15,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131825259] [2023-12-02 20:19:15,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:19:15,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:19:15,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:19:15,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:19:15,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-02 20:19:15,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:19:15,944 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:19:15,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:19:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:19:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:19:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:19:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:19:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:19:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:19:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:19:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:19:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:19:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:19:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:19:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:19:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:19:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:19:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:19:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:19:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:19:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:19:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:19:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:19:15,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:15,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:19:15,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:15,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:19:15,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:19:15,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:19:15,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:19:15,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:19:16,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:19:16,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:16,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:16,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:19:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:19:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:19:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:19:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:19:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:19:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:19:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:19:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:19:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:19:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:19:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:19:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:19:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:19:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:19:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:19:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:19:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:19:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:19:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:19:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:19:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:19:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:19:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:19:16,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:19:16,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2023-12-02 20:19:16,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2023-12-02 20:19:16,471 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:19:16,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:19:16,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1370071555, now seen corresponding path program 1 times [2023-12-02 20:19:16,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:19:16,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834753960] [2023-12-02 20:19:16,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:19:16,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:19:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:19:16,634 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 35 proven. 6 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2023-12-02 20:19:16,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:19:16,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834753960] [2023-12-02 20:19:16,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834753960] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:19:16,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085113727] [2023-12-02 20:19:16,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:19:16,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:19:16,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:19:16,635 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:19:16,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-12-02 20:19:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:19:16,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:19:16,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:19:16,965 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 35 proven. 6 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2023-12-02 20:19:16,965 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:19:17,013 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 35 proven. 6 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2023-12-02 20:19:17,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085113727] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:19:17,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:19:17,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-12-02 20:19:17,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092492904] [2023-12-02 20:19:17,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:19:17,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 20:19:17,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:19:17,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 20:19:17,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-12-02 20:19:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:19:17,015 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:19:17,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:19:17,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:19:17,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:17,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:17,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:17,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:19:17,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:19:17,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:19:17,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:19:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:19:17,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:19:17,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:19:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:19:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:19:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:19:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:19:17,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:19:17,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:17,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:19:17,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:19:17,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:19:17,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:19:17,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:19:17,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:17,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:19:17,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:19:17,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:17,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:19:17,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:19:17,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:19:17,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:19:17,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:19:17,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:19:17,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:19:17,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:17,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:17,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:19:17,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:17,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:19:17,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:17,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:19:17,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:19:17,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:19:17,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:17,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:19:17,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:19:17,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2023-12-02 20:19:17,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:19:17,738 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:19:17,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:19:17,738 INFO L85 PathProgramCache]: Analyzing trace with hash 728657923, now seen corresponding path program 4 times [2023-12-02 20:19:17,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:19:17,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566447299] [2023-12-02 20:19:17,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:19:17,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:19:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:19:20,149 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 23 proven. 176 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2023-12-02 20:19:20,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:19:20,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566447299] [2023-12-02 20:19:20,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566447299] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:19:20,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013464597] [2023-12-02 20:19:20,149 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 20:19:20,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:19:20,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:19:20,150 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:19:20,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2023-12-02 20:19:20,542 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 20:19:20,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:19:20,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 65 conjunts are in the unsatisfiable core [2023-12-02 20:19:20,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:19:21,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 20:19:21,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:19:21,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-02 20:19:21,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:19:21,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-02 20:19:22,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:19:22,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:19:22,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:19:22,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:19:22,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:19:22,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:19:22,986 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 52 proven. 133 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2023-12-02 20:19:22,986 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:19:35,530 INFO L349 Elim1Store]: treesize reduction 66, result has 35.9 percent of original size [2023-12-02 20:19:35,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 57 [2023-12-02 20:19:35,542 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:19:35,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 157 treesize of output 151 [2023-12-02 20:19:35,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 122 [2023-12-02 20:19:35,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 114 [2023-12-02 20:19:35,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 54 [2023-12-02 20:19:36,461 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 2 proven. 94 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:19:36,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013464597] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:19:36,462 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:19:36,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23, 19] total 63 [2023-12-02 20:19:36,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947346176] [2023-12-02 20:19:36,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:19:36,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-12-02 20:19:36,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:19:36,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-12-02 20:19:36,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=3850, Unknown=45, NotChecked=0, Total=4160 [2023-12-02 20:19:36,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:19:36,464 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:19:36,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 2.8125) internal successors, (180), 64 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:19:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:19:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:19:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:19:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:19:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:19:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:19:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:19:36,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:19:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:19:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:19:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:19:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:19:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:19:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:19:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:19:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:19:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:19:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:19:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:19:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:19:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:19:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:19:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:19:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:19:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:19:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:19:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:19:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:19:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:19:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:19:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:19:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:19:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:19:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:19:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:19:40,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2023-12-02 20:19:40,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:19:40,844 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:19:40,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:19:40,844 INFO L85 PathProgramCache]: Analyzing trace with hash 728657924, now seen corresponding path program 2 times [2023-12-02 20:19:40,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:19:40,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304996514] [2023-12-02 20:19:40,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:19:40,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:19:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:19:43,431 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 23 proven. 176 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2023-12-02 20:19:43,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:19:43,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304996514] [2023-12-02 20:19:43,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304996514] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:19:43,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683897486] [2023-12-02 20:19:43,432 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:19:43,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:19:43,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:19:43,433 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:19:43,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2023-12-02 20:19:43,787 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:19:43,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:19:43,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 64 conjunts are in the unsatisfiable core [2023-12-02 20:19:43,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:19:44,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 20:19:44,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:19:44,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-12-02 20:19:45,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:19:45,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-12-02 20:19:45,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:19:45,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:19:45,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:19:45,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:19:45,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:19:45,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:19:46,131 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 52 proven. 133 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2023-12-02 20:19:46,131 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:19:46,758 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2698 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_2698) c_~B~0.base) (+ 8 c_~B~0.offset)) 4294967296)) is different from false [2023-12-02 20:19:46,772 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2698 (Array Int Int)) (v_ArrVal_2697 (Array Int Int))) (< (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_2697) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_2698) c_~B~0.base) (+ 8 c_~B~0.offset)) 4294967296)) is different from false [2023-12-02 20:19:54,316 INFO L349 Elim1Store]: treesize reduction 21, result has 54.3 percent of original size [2023-12-02 20:19:54,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 43 [2023-12-02 20:19:54,330 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:19:54,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 277 treesize of output 265 [2023-12-02 20:19:54,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2023-12-02 20:19:54,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 102 [2023-12-02 20:19:54,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2023-12-02 20:19:55,563 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2023-12-02 20:19:55,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683897486] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:19:55,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:19:55,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23, 18] total 62 [2023-12-02 20:19:55,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707073794] [2023-12-02 20:19:55,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:19:55,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-12-02 20:19:55,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:19:55,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-12-02 20:19:55,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=3498, Unknown=42, NotChecked=242, Total=4032 [2023-12-02 20:19:55,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:19:55,567 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:19:55,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 2.8412698412698414) internal successors, (179), 63 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:19:55,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:19:55,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:55,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:55,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:55,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:19:55,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:19:55,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:19:55,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:19:55,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:55,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:19:55,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:19:55,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:19:55,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:19:55,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:19:55,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:55,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:19:55,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:19:55,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:55,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:19:55,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:19:55,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:19:55,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:19:55,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:19:55,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:19:55,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:19:55,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:55,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:19:55,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:19:55,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:55,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:19:55,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:19:55,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:19:55,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:19:55,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:19:55,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:19:55,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:19:55,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:19:55,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:19:55,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:20:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:20:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:20:00,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2023-12-02 20:20:00,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2023-12-02 20:20:00,880 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:20:00,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:20:00,880 INFO L85 PathProgramCache]: Analyzing trace with hash -784525445, now seen corresponding path program 5 times [2023-12-02 20:20:00,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:20:00,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398378300] [2023-12-02 20:20:00,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:20:00,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:20:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:20:04,608 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 6 proven. 261 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2023-12-02 20:20:04,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:20:04,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398378300] [2023-12-02 20:20:04,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398378300] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:20:04,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872578924] [2023-12-02 20:20:04,608 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-12-02 20:20:04,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:20:04,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:20:04,609 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:20:04,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2023-12-02 20:20:06,474 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2023-12-02 20:20:06,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:20:06,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 91 conjunts are in the unsatisfiable core [2023-12-02 20:20:06,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:20:08,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 20:20:08,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-02 20:20:09,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:20:09,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:20:09,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:20:09,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:20:09,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:20:09,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:20:10,919 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 63 proven. 321 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 20:20:10,919 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:20:17,041 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:20:17,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 46 [2023-12-02 20:20:17,054 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:20:17,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1235 treesize of output 1187 [2023-12-02 20:20:17,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 63 [2023-12-02 20:20:17,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 55 [2023-12-02 20:20:17,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 50 [2023-12-02 20:20:18,442 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:20:18,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872578924] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:20:18,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:20:18,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 35, 21] total 88 [2023-12-02 20:20:18,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585986457] [2023-12-02 20:20:18,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:20:18,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2023-12-02 20:20:18,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:20:18,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2023-12-02 20:20:18,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=7617, Unknown=76, NotChecked=0, Total=8010 [2023-12-02 20:20:18,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:20:18,446 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:20:18,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 89 states have (on average 2.741573033707865) internal successors, (244), 89 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:20:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:20:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:20:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:20:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:20:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:20:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:20:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:20:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:20:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:20:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:20:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:20:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:20:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:20:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:20:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:20:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:20:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:20:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:20:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:20:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:20:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:20:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:20:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:20:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:20:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:20:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:20:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:20:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:20:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:20:18,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:20:18,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:20:18,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:20:18,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:20:18,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:20:18,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:20:18,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:20:18,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:20:18,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:20:18,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:20:18,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:20:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:20:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:20:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:20:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:20:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:20:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:20:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:20:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:20:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:20:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:20:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:20:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:20:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:20:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:20:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:20:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:20:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:20:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:20:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:20:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:20:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:20:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:20:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:20:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:20:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:20:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:20:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:20:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:20:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:20:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:20:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:20:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:20:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:20:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:20:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:20:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:20:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:20:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:20:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:20:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-12-02 20:20:32,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2023-12-02 20:20:32,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2023-12-02 20:20:32,224 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:20:32,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:20:32,225 INFO L85 PathProgramCache]: Analyzing trace with hash 484200891, now seen corresponding path program 3 times [2023-12-02 20:20:32,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:20:32,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806166871] [2023-12-02 20:20:32,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:20:32,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:20:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:20:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 36 proven. 288 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2023-12-02 20:20:35,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:20:35,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806166871] [2023-12-02 20:20:35,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806166871] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:20:35,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916221296] [2023-12-02 20:20:35,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:20:35,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:20:35,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:20:35,762 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:20:35,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2023-12-02 20:20:36,864 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2023-12-02 20:20:36,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:20:36,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 74 conjunts are in the unsatisfiable core [2023-12-02 20:20:36,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:20:37,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 20:20:38,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:20:38,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-12-02 20:20:38,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:20:38,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-12-02 20:20:38,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:20:38,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-12-02 20:20:38,939 INFO L349 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2023-12-02 20:20:38,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2023-12-02 20:20:39,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:20:39,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-12-02 20:20:39,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:20:39,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-12-02 20:20:39,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:20:39,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-12-02 20:20:41,668 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 9 proven. 173 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:20:41,668 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:21:12,303 INFO L349 Elim1Store]: treesize reduction 224, result has 26.6 percent of original size [2023-12-02 20:21:12,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 181 treesize of output 141 [2023-12-02 20:21:12,545 INFO L349 Elim1Store]: treesize reduction 48, result has 72.4 percent of original size [2023-12-02 20:21:12,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1470 treesize of output 1493 [2023-12-02 20:21:12,608 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:21:12,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 252 treesize of output 234 [2023-12-02 20:21:12,673 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:21:12,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 165 treesize of output 163 [2023-12-02 20:21:12,715 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:21:12,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 250 treesize of output 200 [2023-12-02 20:21:16,774 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 0 proven. 173 refuted. 9 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:21:16,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916221296] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:21:16,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:21:16,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 29, 29] total 92 [2023-12-02 20:21:16,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736261601] [2023-12-02 20:21:16,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:21:16,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-12-02 20:21:16,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:21:16,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-12-02 20:21:16,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=427, Invalid=8231, Unknown=84, NotChecked=0, Total=8742 [2023-12-02 20:21:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:16,777 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:21:16,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 2.6881720430107525) internal successors, (250), 93 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:21:16,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:16,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:21:16,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:21:16,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:21:16,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:21:16,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:21:16,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:21:16,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:21:16,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:21:16,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:21:16,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:21:16,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:21:16,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:21:16,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:21:16,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:21:16,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:21:16,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:21:16,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:21:16,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:21:16,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:21:16,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:21:16,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:21:16,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:21:16,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:21:16,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:21:16,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:21:16,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:21:16,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:21:16,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:21:16,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:21:16,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:21:16,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:21:16,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:21:16,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:21:16,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:21:16,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:21:16,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:21:16,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:21:16,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:21:16,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-12-02 20:21:16,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:21,713 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse7 (+ |c_ULTIMATE.start_create_fresh_int_array_~i~3#1| 1)) (.cse4 (+ (* 4 |c_ULTIMATE.start_create_fresh_int_array_~i~3#1|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse2 (+ 12 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse3 (select |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse11 (+ |c_ULTIMATE.start_create_fresh_int_array_#t~post34#1| 1)) (.cse8 (+ |c_#StackHeapBarrier| 1))) (and (forall ((|v_ULTIMATE.start_create_fresh_int_array_~i~3#1_447| Int) (~A~0.offset Int) (v_ArrVal_2960 (Array Int Int)) (|thread2Thread1of1ForFork2_~i~1#1| Int) (|v_ULTIMATE.start_create_fresh_int_array_#t~nondet35#1_1287| Int) (v_ArrVal_2959 (Array Int Int)) (v_ArrVal_2956 Int) (v_ArrVal_2958 (Array Int Int)) (~A~0.base Int)) (let ((.cse1 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (store .cse3 .cse4 v_ArrVal_2956) (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_447| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) |v_ULTIMATE.start_create_fresh_int_array_#t~nondet35#1_1287|)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_2958) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_2959) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_2960))) (let ((.cse0 (select (select .cse1 ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork2_~i~1#1| 4))))) (or (< .cse0 4) (< (+ |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_447| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (< c_~size~0 (+ .cse0 1)) (< (select (select .cse1 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse2) 4294967296))))) (forall ((|v_ULTIMATE.start_create_fresh_int_array_~i~3#1_447| Int) (v_ArrVal_2960 (Array Int Int)) (~A~0.base Int) (~A~0.offset Int) (v_ArrVal_2951 Int) (v_ArrVal_2953 Int) (|thread2Thread1of1ForFork2_~i~1#1| Int) (|v_ULTIMATE.start_create_fresh_int_array_#t~nondet35#1_1287| Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~3#1_449| Int) (v_ArrVal_2959 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~i~3#1_448| Int) (v_ArrVal_2956 Int) (v_ArrVal_2958 (Array Int Int))) (let ((.cse6 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (store (store (store .cse3 .cse4 v_ArrVal_2951) (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_449| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_2953) (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_448| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_2956) (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_447| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) |v_ULTIMATE.start_create_fresh_int_array_#t~nondet35#1_1287|)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_2958) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_2959) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_2960))) (let ((.cse5 (select (select .cse6 ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork2_~i~1#1| 4))))) (or (< .cse5 4) (< c_~size~0 (+ .cse5 1)) (< |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_448| (+ |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_449| 1)) (< (+ |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_447| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (< (select (select .cse6 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse2) 4294967296) (< |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_449| .cse7))))) (not (= |c_ULTIMATE.start_main_~#t1~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (<= .cse8 |c_ULTIMATE.start_main_~#t1~0#1.base|) (<= (select .cse3 12) 2147483647) (forall ((|ULTIMATE.start_create_fresh_int_array_~i~3#1| Int)) (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (forall ((~A~0.offset Int) (v_ArrVal_2960 (Array Int Int)) (|thread2Thread1of1ForFork2_~i~1#1| Int) (|v_ULTIMATE.start_create_fresh_int_array_#t~nondet35#1_1287| Int) (v_ArrVal_2959 (Array Int Int)) (v_ArrVal_2958 (Array Int Int)) (~A~0.base Int)) (let ((.cse10 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store .cse3 (+ (* |ULTIMATE.start_create_fresh_int_array_~i~3#1| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) |v_ULTIMATE.start_create_fresh_int_array_#t~nondet35#1_1287|)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_2958) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_2959) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_2960))) (let ((.cse9 (select (select .cse10 ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork2_~i~1#1| 4))))) (or (< .cse9 4) (< c_~size~0 (+ .cse9 1)) (< (select (select .cse10 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse2) 4294967296))))))) (forall ((|v_ULTIMATE.start_create_fresh_int_array_~i~3#1_449| Int)) (or (< |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_449| .cse11) (forall ((|v_ULTIMATE.start_create_fresh_int_array_~i~3#1_447| Int) (~A~0.offset Int) (v_ArrVal_2960 (Array Int Int)) (v_ArrVal_2953 Int) (|thread2Thread1of1ForFork2_~i~1#1| Int) (|v_ULTIMATE.start_create_fresh_int_array_#t~nondet35#1_1287| Int) (v_ArrVal_2959 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~i~3#1_448| Int) (v_ArrVal_2956 Int) (v_ArrVal_2958 (Array Int Int)) (~A~0.base Int)) (let ((.cse13 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (store (store .cse3 (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_449| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_2953) (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_448| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_2956) (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_447| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) |v_ULTIMATE.start_create_fresh_int_array_#t~nondet35#1_1287|)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_2958) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_2959) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_2960))) (let ((.cse12 (select (select .cse13 ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork2_~i~1#1| 4))))) (or (< c_~size~0 (+ .cse12 1)) (< |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_448| (+ |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_449| 1)) (< (+ |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_447| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (< (select (select .cse13 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse2) 4294967296) (< .cse12 4))))))) (forall ((|v_ULTIMATE.start_create_fresh_int_array_~i~3#1_447| Int) (~A~0.offset Int) (v_ArrVal_2960 (Array Int Int)) (v_ArrVal_2953 Int) (|thread2Thread1of1ForFork2_~i~1#1| Int) (|v_ULTIMATE.start_create_fresh_int_array_#t~nondet35#1_1287| Int) (v_ArrVal_2959 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~i~3#1_448| Int) (v_ArrVal_2956 Int) (v_ArrVal_2958 (Array Int Int)) (~A~0.base Int)) (let ((.cse14 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (store (store .cse3 .cse4 v_ArrVal_2953) (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_448| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_2956) (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_447| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) |v_ULTIMATE.start_create_fresh_int_array_#t~nondet35#1_1287|)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_2958) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_2959) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_2960))) (let ((.cse15 (select (select .cse14 ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork2_~i~1#1| 4))))) (or (< (+ |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_447| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (< (select (select .cse14 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse2) 4294967296) (< c_~size~0 (+ .cse15 1)) (< |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_448| .cse7) (< .cse15 4))))) (forall ((|v_ULTIMATE.start_create_fresh_int_array_~i~3#1_448| Int)) (or (forall ((|v_ULTIMATE.start_create_fresh_int_array_~i~3#1_447| Int) (~A~0.offset Int) (v_ArrVal_2960 (Array Int Int)) (|thread2Thread1of1ForFork2_~i~1#1| Int) (|v_ULTIMATE.start_create_fresh_int_array_#t~nondet35#1_1287| Int) (v_ArrVal_2959 (Array Int Int)) (v_ArrVal_2956 Int) (v_ArrVal_2958 (Array Int Int)) (~A~0.base Int)) (let ((.cse17 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (store .cse3 (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_448| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_2956) (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_447| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) |v_ULTIMATE.start_create_fresh_int_array_#t~nondet35#1_1287|)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_2958) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_2959) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_2960))) (let ((.cse16 (select (select .cse17 ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork2_~i~1#1| 4))))) (or (< (+ |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_447| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (< c_~size~0 (+ .cse16 1)) (< (select (select .cse17 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse2) 4294967296) (< .cse16 4))))) (< |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_448| .cse11))) (not (= |c_ULTIMATE.start_main_~#t3~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (= 0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (<= .cse8 |c_ULTIMATE.start_main_~#t2~0#1.base|) (<= 4 |c_ULTIMATE.start_create_fresh_int_array_~i~3#1|) (<= 4 |c_ULTIMATE.start_create_fresh_int_array_#t~post34#1|) (not (= |c_ULTIMATE.start_main_~#t2~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (forall ((|v_ULTIMATE.start_create_fresh_int_array_~i~3#1_450| Int)) (or (forall ((|v_ULTIMATE.start_create_fresh_int_array_~i~3#1_447| Int) (v_ArrVal_2960 (Array Int Int)) (~A~0.base Int) (~A~0.offset Int) (v_ArrVal_2951 Int) (v_ArrVal_2953 Int) (|thread2Thread1of1ForFork2_~i~1#1| Int) (|v_ULTIMATE.start_create_fresh_int_array_#t~nondet35#1_1287| Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~3#1_449| Int) (v_ArrVal_2959 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~i~3#1_448| Int) (v_ArrVal_2956 Int) (v_ArrVal_2958 (Array Int Int))) (let ((.cse19 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (store (store (store .cse3 (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_450| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_2951) (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_449| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_2953) (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_448| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_2956) (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_447| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) |v_ULTIMATE.start_create_fresh_int_array_#t~nondet35#1_1287|)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_2958) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_2959) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_2960))) (let ((.cse18 (select (select .cse19 ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork2_~i~1#1| 4))))) (or (< c_~size~0 (+ .cse18 1)) (< |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_449| (+ |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_450| 1)) (< .cse18 4) (< |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_448| (+ |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_449| 1)) (< (+ |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_447| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (< (select (select .cse19 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse2) 4294967296))))) (< |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_450| .cse11))) (<= .cse8 |c_ULTIMATE.start_main_~#t3~0#1.base|))) is different from true [2023-12-02 20:21:36,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:21:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:21:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:21:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:21:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:21:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:21:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:21:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:21:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:21:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:21:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:21:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:21:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:21:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:21:36,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:21:36,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:21:36,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:21:36,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:21:36,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:21:36,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:21:36,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:21:36,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:21:36,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:21:36,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:21:36,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2023-12-02 20:21:36,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:21:36,729 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:21:36,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:21:36,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1737659378, now seen corresponding path program 6 times [2023-12-02 20:21:36,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:21:36,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806133] [2023-12-02 20:21:36,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:21:36,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:21:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:21:41,094 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 28 proven. 367 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2023-12-02 20:21:41,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:21:41,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806133] [2023-12-02 20:21:41,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806133] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:21:41,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958186771] [2023-12-02 20:21:41,095 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-12-02 20:21:41,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:21:41,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:21:41,096 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:21:41,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2023-12-02 20:21:45,405 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2023-12-02 20:21:45,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:21:45,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 76 conjunts are in the unsatisfiable core [2023-12-02 20:21:45,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:21:47,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-02 20:21:47,388 INFO L349 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2023-12-02 20:21:47,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 15 [2023-12-02 20:21:47,756 INFO L349 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2023-12-02 20:21:47,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 15 [2023-12-02 20:21:47,969 INFO L349 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2023-12-02 20:21:47,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 19 [2023-12-02 20:21:48,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:48,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2023-12-02 20:21:48,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:48,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2023-12-02 20:21:48,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:21:48,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2023-12-02 20:21:51,517 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 3 proven. 214 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:21:51,517 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:22:07,215 INFO L349 Elim1Store]: treesize reduction 124, result has 34.0 percent of original size [2023-12-02 20:22:07,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 162 treesize of output 126 [2023-12-02 20:22:07,359 INFO L349 Elim1Store]: treesize reduction 28, result has 77.2 percent of original size [2023-12-02 20:22:07,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1899 treesize of output 1889 [2023-12-02 20:22:07,417 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:22:07,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 338 treesize of output 320 [2023-12-02 20:22:07,456 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:22:07,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 267 [2023-12-02 20:22:07,495 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:22:07,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 162 [2023-12-02 20:22:14,448 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 0 proven. 214 refuted. 3 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:22:14,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958186771] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:22:14,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:22:14,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 31, 31] total 100 [2023-12-02 20:22:14,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136799242] [2023-12-02 20:22:14,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:22:14,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2023-12-02 20:22:14,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:22:14,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2023-12-02 20:22:14,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=9839, Unknown=71, NotChecked=0, Total=10302 [2023-12-02 20:22:14,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:22:14,452 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:22:14,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 101 states have (on average 2.6831683168316833) internal successors, (271), 101 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:22:14,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:22:14,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:14,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:14,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:22:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:22:14,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:14,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:22:14,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:22:14,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:22:14,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:22:14,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:22:14,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:22:14,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:22:14,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:22:14,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:22:14,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:22:14,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:22:14,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:22:14,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:22:14,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:22:14,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:22:35,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:22:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:22:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:22:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:22:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:22:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:22:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:22:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:22:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:22:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:22:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:22:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:22:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:22:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:22:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:22:50,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 20:22:50,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2023-12-02 20:22:50,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:22:50,450 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:22:50,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:22:50,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1737659379, now seen corresponding path program 4 times [2023-12-02 20:22:50,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:22:50,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198543736] [2023-12-02 20:22:50,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:22:50,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:22:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:22:54,308 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 28 proven. 367 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2023-12-02 20:22:54,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:22:54,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198543736] [2023-12-02 20:22:54,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198543736] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:22:54,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820976529] [2023-12-02 20:22:54,309 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 20:22:54,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:22:54,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:22:54,310 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:22:54,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2023-12-02 20:22:54,677 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 20:22:54,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:22:54,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 92 conjunts are in the unsatisfiable core [2023-12-02 20:22:54,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:22:56,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 20:22:57,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:57,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-12-02 20:22:57,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:57,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-12-02 20:22:57,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:57,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-12-02 20:22:57,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:57,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:22:58,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:58,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:22:58,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:22:58,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:22:59,585 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 86 proven. 297 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2023-12-02 20:22:59,585 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:23:00,952 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3234 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_3234) c_~B~0.base) (+ 16 c_~B~0.offset)) 4294967296)) is different from false [2023-12-02 20:23:00,966 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3233 (Array Int Int)) (v_ArrVal_3234 (Array Int Int))) (< (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_3233) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_3234) c_~B~0.base) (+ 16 c_~B~0.offset)) 4294967296)) is different from false [2023-12-02 20:23:46,582 INFO L349 Elim1Store]: treesize reduction 139, result has 26.1 percent of original size [2023-12-02 20:23:46,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 67 [2023-12-02 20:23:46,594 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:23:46,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 277 treesize of output 265 [2023-12-02 20:23:46,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 51 [2023-12-02 20:23:46,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2023-12-02 20:23:46,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2023-12-02 20:23:48,291 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 4 proven. 210 refuted. 3 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:23:48,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820976529] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:23:48,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:23:48,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37, 29] total 101 [2023-12-02 20:23:48,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722433416] [2023-12-02 20:23:48,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:23:48,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2023-12-02 20:23:48,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:23:48,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2023-12-02 20:23:48,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=9606, Unknown=67, NotChecked=398, Total=10506 [2023-12-02 20:23:48,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:23:48,295 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:23:48,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 102 states have (on average 2.5) internal successors, (255), 102 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:23:48,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:23:48,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:23:48,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:23:48,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:23:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:23:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:23:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:23:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:23:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:23:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:23:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:23:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:23:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:23:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:23:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:23:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:23:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:23:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:23:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:23:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:23:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:23:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:23:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:23:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:23:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:23:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:23:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:23:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:23:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:23:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:23:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:23:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:23:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:23:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:23:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:23:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:23:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:23:48,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:23:48,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:23:48,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:23:48,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:23:48,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-12-02 20:23:48,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:01,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:24:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 20:24:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-02 20:24:01,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2023-12-02 20:24:01,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2023-12-02 20:24:01,551 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:24:01,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:24:01,551 INFO L85 PathProgramCache]: Analyzing trace with hash -628977860, now seen corresponding path program 2 times [2023-12-02 20:24:01,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:24:01,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567503431] [2023-12-02 20:24:01,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:24:01,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:24:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:24:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 77 proven. 60 refuted. 0 times theorem prover too weak. 847 trivial. 0 not checked. [2023-12-02 20:24:01,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:24:01,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567503431] [2023-12-02 20:24:01,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567503431] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:24:01,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456894589] [2023-12-02 20:24:01,914 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:24:01,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:24:01,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:24:01,915 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:24:01,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2023-12-02 20:24:02,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-02 20:24:02,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:24:02,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 20:24:02,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:24:02,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2023-12-02 20:24:02,764 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2023-12-02 20:24:02,764 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:24:02,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2023-12-02 20:24:03,354 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2023-12-02 20:24:03,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456894589] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:24:03,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:24:03,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 21 [2023-12-02 20:24:03,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85301859] [2023-12-02 20:24:03,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:24:03,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-02 20:24:03,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:24:03,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-02 20:24:03,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2023-12-02 20:24:03,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:03,357 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:24:03,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.0) internal successors, (168), 22 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:24:03,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:03,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:03,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:24:03,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-12-02 20:24:03,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:24:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:24:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:24:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:24:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:24:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:24:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:24:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:24:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:24:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:24:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:24:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:24:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:24:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:24:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:24:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:24:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:24:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:24:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:24:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:24:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:24:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:24:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:24:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:24:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:24:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:24:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:24:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:24:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:24:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:24:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:24:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:24:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:24:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:24:05,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2023-12-02 20:24:05,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:24:05,320 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:24:05,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:24:05,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1064061994, now seen corresponding path program 7 times [2023-12-02 20:24:05,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:24:05,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773599316] [2023-12-02 20:24:05,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:24:05,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:24:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:24:09,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 23 proven. 446 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 20:24:09,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:24:09,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773599316] [2023-12-02 20:24:09,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773599316] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:24:09,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995067930] [2023-12-02 20:24:09,809 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-12-02 20:24:09,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:24:09,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:24:09,810 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:24:09,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2023-12-02 20:24:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:24:10,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 101 conjunts are in the unsatisfiable core [2023-12-02 20:24:10,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:24:13,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 20:24:13,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:24:13,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-02 20:24:13,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:24:13,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-02 20:24:14,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:24:14,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:24:14,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:24:14,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:24:14,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:24:14,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:24:16,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 94 proven. 364 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-02 20:24:16,153 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:24:17,856 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3499 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_3499) c_~B~0.base) (+ 20 c_~B~0.offset)) 9223372039002259456))) is different from false [2023-12-02 20:24:18,633 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3497 (Array Int Int)) (v_ArrVal_3498 (Array Int Int)) (v_ArrVal_3499 (Array Int Int)) (v_ArrVal_3496 Int)) (< 0 (+ (select (select (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* 4 |c_ULTIMATE.start_create_fresh_int_array_~i~3#1|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_3496)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_3497) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_3498) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_3499) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ 20 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 9223372039002259456))) is different from false [2023-12-02 20:24:47,939 INFO L349 Elim1Store]: treesize reduction 66, result has 35.9 percent of original size [2023-12-02 20:24:47,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 57 [2023-12-02 20:24:47,952 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:24:47,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1235 treesize of output 1187 [2023-12-02 20:24:47,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 50 [2023-12-02 20:24:47,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 63 [2023-12-02 20:24:47,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 55 [2023-12-02 20:24:50,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 2 proven. 248 refuted. 0 times theorem prover too weak. 755 trivial. 8 not checked. [2023-12-02 20:24:50,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995067930] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:24:50,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:24:50,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41, 31] total 111 [2023-12-02 20:24:50,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314464667] [2023-12-02 20:24:50,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:24:50,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2023-12-02 20:24:50,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:24:50,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2023-12-02 20:24:50,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=11723, Unknown=60, NotChecked=438, Total=12656 [2023-12-02 20:24:50,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:50,171 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:24:50,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 112 states have (on average 2.4910714285714284) internal successors, (279), 112 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:24:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:24:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:24:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:24:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:24:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:24:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:24:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:24:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:24:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:24:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:24:50,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:24:50,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:24:50,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:24:50,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:24:50,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:24:50,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:24:50,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:24:50,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:24:50,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:24:50,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:50,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:50,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:24:50,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:50,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:24:50,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:50,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:24:50,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:24:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:24:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:24:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:24:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:24:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:24:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:24:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:24:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:24:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:24:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:24:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:24:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:25:04,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:25:04,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:04,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:04,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:04,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:25:04,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:25:04,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:25:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:25:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:25:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:25:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:25:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:25:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:25:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:25:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:25:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:25:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:25:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:25:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:25:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:25:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:25:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:25:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:25:04,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:25:04,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:04,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:04,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:25:04,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:04,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:25:04,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:04,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:25:04,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:25:04,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:25:04,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:25:04,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:25:04,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:25:04,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:25:04,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:25:04,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:25:04,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:25:04,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:25:04,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:25:04,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:25:04,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:25:04,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2023-12-02 20:25:05,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2023-12-02 20:25:05,073 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:25:05,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:25:05,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1064061995, now seen corresponding path program 5 times [2023-12-02 20:25:05,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:25:05,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296360658] [2023-12-02 20:25:05,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:25:05,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:25:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:25:09,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 23 proven. 446 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 20:25:09,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:25:09,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296360658] [2023-12-02 20:25:09,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296360658] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:25:09,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26016071] [2023-12-02 20:25:09,672 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-12-02 20:25:09,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:25:09,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:25:09,673 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:25:09,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2023-12-02 20:25:14,080 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2023-12-02 20:25:14,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:25:14,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 113 conjunts are in the unsatisfiable core [2023-12-02 20:25:14,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:25:17,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 20:25:18,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:25:18,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-12-02 20:25:18,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:25:18,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-12-02 20:25:18,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:25:18,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:25:18,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:25:18,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:25:19,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:25:19,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:25:20,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 94 proven. 448 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2023-12-02 20:25:20,965 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:25:22,839 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3635 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_3635) c_~B~0.base) (+ 20 c_~B~0.offset)) 4294967296)) is different from false [2023-12-02 20:25:22,853 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3634 (Array Int Int)) (v_ArrVal_3635 (Array Int Int))) (< (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_3634) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_3635) c_~B~0.base) (+ 20 c_~B~0.offset)) 4294967296)) is different from false [2023-12-02 20:25:22,869 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3633 (Array Int Int)) (v_ArrVal_3634 (Array Int Int)) (v_ArrVal_3635 (Array Int Int))) (< (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_3633) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_3634) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_3635) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ 20 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 4294967296)) is different from false [2023-12-02 20:25:22,886 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~nondet35#1_1664| Int) (v_ArrVal_3633 (Array Int Int)) (v_ArrVal_3634 (Array Int Int)) (v_ArrVal_3635 (Array Int Int))) (< (select (select (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* 4 |c_ULTIMATE.start_create_fresh_int_array_~i~3#1|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) |v_ULTIMATE.start_create_fresh_int_array_#t~nondet35#1_1664|)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_3633) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_3634) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_3635) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ 20 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 4294967296)) is different from false [2023-12-02 20:25:43,992 INFO L349 Elim1Store]: treesize reduction 66, result has 35.9 percent of original size [2023-12-02 20:25:43,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 55 [2023-12-02 20:25:44,004 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:25:44,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 133 [2023-12-02 20:25:44,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 106 [2023-12-02 20:25:44,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 98 [2023-12-02 20:25:44,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2023-12-02 20:25:46,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 2 proven. 227 refuted. 0 times theorem prover too weak. 755 trivial. 29 not checked. [2023-12-02 20:25:46,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26016071] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:25:46,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:25:46,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 47, 31] total 117 [2023-12-02 20:25:46,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494324565] [2023-12-02 20:25:46,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:25:46,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 119 states [2023-12-02 20:25:46,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:25:46,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2023-12-02 20:25:46,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=448, Invalid=12657, Unknown=21, NotChecked=916, Total=14042 [2023-12-02 20:25:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:25:46,409 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:25:46,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 119 states, 118 states have (on average 2.440677966101695) internal successors, (288), 118 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:25:46,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:25:46,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:25:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:25:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:25:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:25:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:25:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:25:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:25:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:25:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:25:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:25:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:25:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:25:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:25:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:25:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:25:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:25:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:25:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:25:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:25:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:25:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:25:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:25:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:25:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:25:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:25:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:25:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:25:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:25:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:25:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:25:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:25:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:25:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:25:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:25:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:25:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:25:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:26:05,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:26:05,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:05,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:05,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:05,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:26:05,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:26:05,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:26:05,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:26:05,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:26:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:26:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:26:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:26:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:26:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:26:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:26:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:26:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:26:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:26:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:26:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:26:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:26:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:26:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-02 20:26:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:26:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-12-02 20:26:05,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2023-12-02 20:26:05,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:26:05,606 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:26:05,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:26:05,606 INFO L85 PathProgramCache]: Analyzing trace with hash 494467682, now seen corresponding path program 8 times [2023-12-02 20:26:05,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:26:05,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596241243] [2023-12-02 20:26:05,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:26:05,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:26:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:26:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 60 proven. 486 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2023-12-02 20:26:12,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:26:12,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596241243] [2023-12-02 20:26:12,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596241243] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:26:12,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949339431] [2023-12-02 20:26:12,198 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:26:12,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:26:12,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:26:12,199 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:26:12,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2023-12-02 20:26:12,642 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:26:12,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:26:12,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 109 conjunts are in the unsatisfiable core [2023-12-02 20:26:12,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:26:16,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 20:26:16,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:26:16,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-02 20:26:17,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:26:17,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:26:17,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:26:17,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:26:17,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:26:17,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:26:21,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 105 proven. 431 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2023-12-02 20:26:21,185 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:26:27,181 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3767 (Array Int Int)) (v_ArrVal_3768 (Array Int Int)) (v_ArrVal_3769 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_#t~nondet35#1_1740| Int)) (< 0 (+ (select (select (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* 4 |c_ULTIMATE.start_create_fresh_int_array_~i~3#1|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) |v_ULTIMATE.start_create_fresh_int_array_#t~nondet35#1_1740|)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_3767) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_3768) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_3769) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ 24 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 9223372039002259456))) is different from false [2023-12-02 20:26:50,460 INFO L349 Elim1Store]: treesize reduction 21, result has 54.3 percent of original size [2023-12-02 20:26:50,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 45 [2023-12-02 20:26:50,473 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:26:50,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 311 treesize of output 299 [2023-12-02 20:26:50,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 66 [2023-12-02 20:26:50,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 126 [2023-12-02 20:26:50,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 110 [2023-12-02 20:26:53,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 755 trivial. 8 not checked. [2023-12-02 20:26:53,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949339431] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:26:53,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:26:53,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 45, 33] total 128 [2023-12-02 20:26:53,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557555241] [2023-12-02 20:26:53,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:26:53,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2023-12-02 20:26:53,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:26:53,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2023-12-02 20:26:53,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=497, Invalid=15967, Unknown=52, NotChecked=254, Total=16770 [2023-12-02 20:26:53,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:26:53,773 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:26:53,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 129 states have (on average 2.565891472868217) internal successors, (331), 129 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:26:53,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:26:53,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:53,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:53,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:53,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:26:53,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:26:53,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:26:53,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:26:53,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:53,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:26:53,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:26:53,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:26:53,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:26:53,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:26:53,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:26:53,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:26:53,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:26:53,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:26:53,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-12-02 20:26:53,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:26:53,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-12-02 20:26:53,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:27:20,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:27:20,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:27:20,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:27:20,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:27:20,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:27:20,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:27:20,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:27:20,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:27:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:27:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:27:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:27:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:27:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:27:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:27:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:27:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:27:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:27:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:27:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:27:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:27:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:27:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:27:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:27:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:27:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:27:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:27:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:27:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:27:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:27:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:27:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:27:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:27:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:27:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:27:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:27:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:27:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:27:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:27:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:27:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:27:20,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:27:20,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:27:20,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:27:20,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-02 20:27:20,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:27:20,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-12-02 20:27:20,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-12-02 20:27:20,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2023-12-02 20:27:20,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2023-12-02 20:27:20,410 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:27:20,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:27:20,410 INFO L85 PathProgramCache]: Analyzing trace with hash 496838948, now seen corresponding path program 6 times [2023-12-02 20:27:20,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:27:20,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349748511] [2023-12-02 20:27:20,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:27:20,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:27:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:27:25,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 23 proven. 548 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2023-12-02 20:27:25,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:27:25,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349748511] [2023-12-02 20:27:25,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349748511] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:27:25,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503076546] [2023-12-02 20:27:25,962 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-12-02 20:27:25,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:27:25,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:27:25,964 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:27:25,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2023-12-02 20:27:32,574 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2023-12-02 20:27:32,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:27:32,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 98 conjunts are in the unsatisfiable core [2023-12-02 20:27:32,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:27:35,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-02 20:27:35,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-02 20:27:36,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-02 20:27:36,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:27:36,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:27:36,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:27:36,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:27:37,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:27:37,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:27:41,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:27:41,235 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:27:52,003 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:27:52,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 145 treesize of output 99 [2023-12-02 20:27:52,049 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:27:52,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 903 treesize of output 895 [2023-12-02 20:27:52,098 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:27:52,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 263 treesize of output 245 [2023-12-02 20:27:52,133 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:27:52,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 175 [2023-12-02 20:27:52,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:27:52,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 297 treesize of output 247 [2023-12-02 20:28:06,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:28:06,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503076546] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:28:06,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:28:06,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 38, 38] total 124 [2023-12-02 20:28:06,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862555430] [2023-12-02 20:28:06,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:28:06,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2023-12-02 20:28:06,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:28:06,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2023-12-02 20:28:06,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=15199, Unknown=17, NotChecked=0, Total=15750 [2023-12-02 20:28:06,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:28:06,440 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:28:06,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 125 states have (on average 2.576) internal successors, (322), 125 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:28:06,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:28:06,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:06,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:06,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:06,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:28:06,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:28:06,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:28:06,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:28:06,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:06,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:28:06,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:28:06,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:28:06,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:28:06,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:28:06,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:28:06,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:28:06,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:28:06,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-12-02 20:28:06,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:28:06,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-12-02 20:28:06,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-12-02 20:28:06,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:28:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:28:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:28:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:28:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:28:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:28:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:28:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:28:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:28:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:28:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:28:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:28:40,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:28:40,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:28:40,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:28:40,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:28:40,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:28:40,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:28:40,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:28:40,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-02 20:28:40,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:28:40,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-12-02 20:28:40,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-12-02 20:28:40,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-12-02 20:28:40,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2023-12-02 20:28:40,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2023-12-02 20:28:40,222 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 20:28:40,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:28:40,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1923704891, now seen corresponding path program 9 times [2023-12-02 20:28:40,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:28:40,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650784077] [2023-12-02 20:28:40,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:28:40,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:28:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:28:47,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 28 proven. 682 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2023-12-02 20:28:47,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:28:47,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650784077] [2023-12-02 20:28:47,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650784077] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:28:47,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383093682] [2023-12-02 20:28:47,381 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:28:47,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:28:47,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:28:47,382 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:28:47,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a34728-c250-46f9-8d04-afaa3390b8a1/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2023-12-02 20:28:49,398 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2023-12-02 20:28:49,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:28:49,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 937 conjuncts, 101 conjunts are in the unsatisfiable core [2023-12-02 20:28:49,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:28:52,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-02 20:28:53,301 INFO L349 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2023-12-02 20:28:53,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 15 [2023-12-02 20:28:53,878 INFO L349 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2023-12-02 20:28:53,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 15 [2023-12-02 20:28:54,204 INFO L349 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2023-12-02 20:28:54,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 19 [2023-12-02 20:28:54,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:28:54,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2023-12-02 20:28:55,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:28:55,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2023-12-02 20:28:55,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:28:55,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2023-12-02 20:29:00,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 3 proven. 439 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:29:00,752 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:29:22,942 INFO L349 Elim1Store]: treesize reduction 124, result has 34.0 percent of original size [2023-12-02 20:29:22,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 162 treesize of output 126 [2023-12-02 20:29:23,097 INFO L349 Elim1Store]: treesize reduction 28, result has 77.2 percent of original size [2023-12-02 20:29:23,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 651 treesize of output 693 [2023-12-02 20:29:23,151 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:29:23,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 341 treesize of output 291 [2023-12-02 20:29:23,191 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:29:23,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 184 treesize of output 182 [2023-12-02 20:29:23,229 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:29:23,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 274 treesize of output 256 [2023-12-02 20:29:32,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 0 proven. 439 refuted. 3 times theorem prover too weak. 755 trivial. 0 not checked. [2023-12-02 20:29:32,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383093682] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:29:32,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:29:32,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 43, 43] total 142 [2023-12-02 20:29:32,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173974522] [2023-12-02 20:29:32,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:29:32,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 144 states [2023-12-02 20:29:32,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:29:32,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2023-12-02 20:29:32,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=530, Invalid=20021, Unknown=41, NotChecked=0, Total=20592 [2023-12-02 20:29:32,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:29:32,114 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:29:32,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 144 states, 143 states have (on average 2.5244755244755246) internal successors, (361), 143 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:29:32,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:29:32,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:29:32,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:29:32,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:29:32,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:29:32,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:29:32,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:29:32,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:29:32,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:29:32,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:29:32,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:29:32,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:29:32,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:29:32,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:29:32,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:29:32,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:29:32,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:29:32,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:29:32,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-12-02 20:29:32,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:29:32,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-12-02 20:29:32,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2023-12-02 20:29:32,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-12-02 20:29:32,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.