./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.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_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/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_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/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_3d33e384-0c3a-4bf4-b257-ef291d2048a8/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 1d936eafcc314e66bb4cd572754c58bf1f2fc59d35c83764f43dae769bce220a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:33:11,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:33:11,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2023-12-02 20:33:11,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:33:11,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:33:11,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:33:11,852 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:33:11,852 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:33:11,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:33:11,853 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:33:11,854 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:33:11,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:33:11,855 INFO L153 SettingsManager]: * Use SBE=true [2023-12-02 20:33:11,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:33:11,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:33:11,857 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:33:11,857 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:33:11,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:33:11,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:33:11,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:33:11,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:33:11,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:33:11,861 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 20:33:11,861 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:33:11,862 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:33:11,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:33:11,863 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:33:11,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:33:11,864 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:33:11,864 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:33:11,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:33:11,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:33:11,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:33:11,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:33:11,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:33:11,866 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-02 20:33:11,866 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-12-02 20:33:11,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:33:11,867 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:33:11,867 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-12-02 20:33:11,867 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-12-02 20:33:11,867 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:33:11,868 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-12-02 20:33:11,868 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-12-02 20:33:11,868 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_3d33e384-0c3a-4bf4-b257-ef291d2048a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d936eafcc314e66bb4cd572754c58bf1f2fc59d35c83764f43dae769bce220a [2023-12-02 20:33:12,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:33:12,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:33:12,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:33:12,120 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:33:12,120 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:33:12,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2023-12-02 20:33:14,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:33:15,002 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:33:15,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2023-12-02 20:33:15,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/data/fb0751912/253ca9e577704eee9fa1d89ba5699050/FLAGd4bd5d23c [2023-12-02 20:33:15,024 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/data/fb0751912/253ca9e577704eee9fa1d89ba5699050 [2023-12-02 20:33:15,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:33:15,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:33:15,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:33:15,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:33:15,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:33:15,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:33:15" (1/1) ... [2023-12-02 20:33:15,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df414ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:15, skipping insertion in model container [2023-12-02 20:33:15,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:33:15" (1/1) ... [2023-12-02 20:33:15,058 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:33:15,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:33:15,229 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:33:15,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:33:15,287 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:33:15,287 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:33:15,296 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:33:15,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:15 WrapperNode [2023-12-02 20:33:15,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:33:15,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:33:15,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:33:15,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:33:15,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:15" (1/1) ... [2023-12-02 20:33:15,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:15" (1/1) ... [2023-12-02 20:33:15,361 INFO L138 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 252 [2023-12-02 20:33:15,361 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:33:15,362 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:33:15,362 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:33:15,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:33:15,370 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:15" (1/1) ... [2023-12-02 20:33:15,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:15" (1/1) ... [2023-12-02 20:33:15,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:15" (1/1) ... [2023-12-02 20:33:15,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:15" (1/1) ... [2023-12-02 20:33:15,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:15" (1/1) ... [2023-12-02 20:33:15,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:15" (1/1) ... [2023-12-02 20:33:15,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:15" (1/1) ... [2023-12-02 20:33:15,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:15" (1/1) ... [2023-12-02 20:33:15,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:33:15,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:33:15,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:33:15,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:33:15,399 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:15" (1/1) ... [2023-12-02 20:33:15,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:33:15,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:33:15,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:33:15,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:33:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:33:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:33:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:33:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:33:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 20:33:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 20:33:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 20:33:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 20:33:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 20:33:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 20:33:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:33:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 20:33:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 20:33:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 20:33:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:33:15,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:33:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:33:15,482 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 20:33:15,587 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:33:15,590 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:33:15,983 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:33:16,440 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:33:16,440 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 20:33:16,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:33:16 BoogieIcfgContainer [2023-12-02 20:33:16,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:33:16,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:33:16,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:33:16,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:33:16,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:33:15" (1/3) ... [2023-12-02 20:33:16,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a97459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:33:16, skipping insertion in model container [2023-12-02 20:33:16,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:15" (2/3) ... [2023-12-02 20:33:16,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a97459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:33:16, skipping insertion in model container [2023-12-02 20:33:16,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:33:16" (3/3) ... [2023-12-02 20:33:16,450 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt2.wvr.c [2023-12-02 20:33:16,459 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 20:33:16,469 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:33:16,469 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2023-12-02 20:33:16,470 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 20:33:16,604 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-12-02 20:33:16,648 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:33:16,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:33:16,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:33:16,652 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:33:16,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-12-02 20:33:16,700 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:33:16,713 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork1 ======== [2023-12-02 20:33:16,720 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;@59ab94c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:33:16,720 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-12-02 20:33:17,303 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:17,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:17,309 INFO L85 PathProgramCache]: Analyzing trace with hash -660002858, now seen corresponding path program 1 times [2023-12-02 20:33:17,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:17,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707883267] [2023-12-02 20:33:17,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:17,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:17,623 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 20:33:17,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:17,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707883267] [2023-12-02 20:33:17,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707883267] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:33:17,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:33:17,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:33:17,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842339490] [2023-12-02 20:33:17,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:33:17,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 20:33:17,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:17,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 20:33:17,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 20:33:17,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:17,660 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:17,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 20:33:17,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:17,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:17,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:33:17,741 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:17,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:17,742 INFO L85 PathProgramCache]: Analyzing trace with hash -660001896, now seen corresponding path program 1 times [2023-12-02 20:33:17,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:17,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221100193] [2023-12-02 20:33:17,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:17,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:17,900 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 20:33:17,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:17,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221100193] [2023-12-02 20:33:17,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221100193] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:33:17,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:33:17,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:33:17,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288606071] [2023-12-02 20:33:17,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:33:17,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 20:33:17,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:17,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 20:33:17,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:33:17,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:17,905 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:17,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 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 20:33:17,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:17,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:18,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:18,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:18,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 20:33:18,122 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:18,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:18,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1930504918, now seen corresponding path program 1 times [2023-12-02 20:33:18,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:18,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361657753] [2023-12-02 20:33:18,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:18,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:18,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:18,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:18,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361657753] [2023-12-02 20:33:18,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361657753] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:33:18,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839182755] [2023-12-02 20:33:18,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:18,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:18,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:33:18,717 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:33:18,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 20:33:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:18,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 20:33:18,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:33:18,957 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 20:33:19,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:33:19,033 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 20:33:19,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:33:19,125 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 20:33:19,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:33:19,187 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 20:33:19,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:19,227 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:33:19,349 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_63 (Array Int Int)) (v_ArrVal_64 (Array Int Int))) (< 0 (+ (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_63) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_64) c_~A~0.base) c_~A~0.offset) 9223372039002259456))) is different from false [2023-12-02 20:33:19,424 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:33:19,425 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 1 case distinctions, treesize of input 30 treesize of output 31 [2023-12-02 20:33:19,440 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:33:19,441 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 20:33:19,453 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 20:33:19,464 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 20:33:19,472 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 20:33:19,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:19,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839182755] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:33:19,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:33:19,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 18 [2023-12-02 20:33:19,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927583292] [2023-12-02 20:33:19,617 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:33:19,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-02 20:33:19,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:19,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-02 20:33:19,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=232, Unknown=13, NotChecked=32, Total=342 [2023-12-02 20:33:19,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:19,621 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:19,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 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 20:33:19,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:19,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:19,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:20,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:20,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:20,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:20,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 20:33:20,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:20,331 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:20,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:20,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1930505879, now seen corresponding path program 1 times [2023-12-02 20:33:20,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:20,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987332226] [2023-12-02 20:33:20,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:20,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:20,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:20,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:20,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987332226] [2023-12-02 20:33:20,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987332226] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:33:20,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207363930] [2023-12-02 20:33:20,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:20,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:20,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:33:20,852 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:33:20,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 20:33:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:20,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 20:33:20,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:33:21,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:33:21,129 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:33:21,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207363930] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:33:21,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:33:21,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 12 [2023-12-02 20:33:21,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221135466] [2023-12-02 20:33:21,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:33:21,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 20:33:21,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:21,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 20:33:21,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-12-02 20:33:21,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:21,133 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:21,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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 20:33:21,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:21,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:21,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:21,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:21,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:21,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:21,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:21,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:21,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 20:33:21,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:21,527 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:21,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:21,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1930505880, now seen corresponding path program 1 times [2023-12-02 20:33:21,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:21,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349691766] [2023-12-02 20:33:21,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:21,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:21,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:21,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:21,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349691766] [2023-12-02 20:33:21,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349691766] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:33:21,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596223116] [2023-12-02 20:33:21,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:21,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:21,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:33:21,992 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:33:21,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 20:33:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:22,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 20:33:22,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:33:22,180 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 20:33:22,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:33:22,249 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 20:33:22,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:33:22,330 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 20:33:22,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:33:22,379 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 20:33:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:22,405 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:33:22,509 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_133 (Array Int Int)) (v_ArrVal_132 (Array Int Int))) (< (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_132) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_133) c_~A~0.base) c_~A~0.offset) 4294967296)) is different from false [2023-12-02 20:33:22,576 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:33:22,576 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 1 case distinctions, treesize of input 28 treesize of output 29 [2023-12-02 20:33:22,589 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:33:22,589 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 20:33:22,600 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 53 treesize of output 49 [2023-12-02 20:33:22,612 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 49 treesize of output 47 [2023-12-02 20:33:22,657 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 42 [2023-12-02 20:33:22,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:22,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596223116] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:33:22,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:33:22,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 18 [2023-12-02 20:33:22,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469630955] [2023-12-02 20:33:22,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:33:22,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-02 20:33:22,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:22,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-02 20:33:22,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=237, Unknown=8, NotChecked=32, Total=342 [2023-12-02 20:33:22,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:22,684 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:22,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 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 20:33:22,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:22,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:22,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:22,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:22,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:22,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:22,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-02 20:33:23,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:23,090 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:23,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:23,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1930507801, now seen corresponding path program 1 times [2023-12-02 20:33:23,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:23,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647494169] [2023-12-02 20:33:23,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:23,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:23,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:33:23,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:23,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647494169] [2023-12-02 20:33:23,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647494169] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:33:23,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:33:23,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:33:23,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068850962] [2023-12-02 20:33:23,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:33:23,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:33:23,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:23,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:33:23,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:33:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:23,224 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:23,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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 20:33:23,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:23,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:23,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:23,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:23,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:23,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:23,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:23,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:23,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:23,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:23,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:23,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:23,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 20:33:23,364 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:23,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:23,364 INFO L85 PathProgramCache]: Analyzing trace with hash -206187812, now seen corresponding path program 1 times [2023-12-02 20:33:23,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:23,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722547724] [2023-12-02 20:33:23,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:23,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:23,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:33:23,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:23,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722547724] [2023-12-02 20:33:23,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722547724] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:33:23,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:33:23,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:33:23,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258866649] [2023-12-02 20:33:23,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:33:23,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:33:23,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:23,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:33:23,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:33:23,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:23,419 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:23,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 20:33:23,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:23,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:23,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:23,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:23,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:23,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:23,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:23,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:23,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:23,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:23,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:23,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:23,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:23,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 20:33:23,618 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:23,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:23,618 INFO L85 PathProgramCache]: Analyzing trace with hash -2096826263, now seen corresponding path program 1 times [2023-12-02 20:33:23,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:23,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745988583] [2023-12-02 20:33:23,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:23,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:23,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:33:23,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:23,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745988583] [2023-12-02 20:33:23,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745988583] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:33:23,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:33:23,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 20:33:23,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286350212] [2023-12-02 20:33:23,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:33:23,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 20:33:23,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:23,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 20:33:23,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-02 20:33:23,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:23,916 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:23,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 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 20:33:23,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:23,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:23,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:23,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:23,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:23,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:23,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:23,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:24,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:24,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:24,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:24,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:24,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:24,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:24,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:24,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:24,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 20:33:24,060 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:24,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:24,060 INFO L85 PathProgramCache]: Analyzing trace with hash -2096826262, now seen corresponding path program 1 times [2023-12-02 20:33:24,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:24,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575242145] [2023-12-02 20:33:24,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:24,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:24,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:24,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:24,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575242145] [2023-12-02 20:33:24,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575242145] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:33:24,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575686595] [2023-12-02 20:33:24,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:24,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:24,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:33:24,491 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:33:24,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 20:33:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:24,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 20:33:24,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:33:24,689 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 20:33:24,749 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 8 treesize of output 1 [2023-12-02 20:33:24,812 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 8 treesize of output 1 [2023-12-02 20:33:24,876 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 8 treesize of output 1 [2023-12-02 20:33:24,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:24,948 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:33:25,136 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_216 (Array Int Int)) (v_ArrVal_217 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_216) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_217) c_~A~0.base))) (or (< (select .cse0 c_~A~0.offset) 4294967296) (< 2147483647 (+ (select .cse0 (+ c_~A~0.offset (* |c_thread1Thread1of1ForFork0_~i~0#1| 4))) c_~res1~0))))) is different from false [2023-12-02 20:33:25,253 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:33:25,253 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 1 case distinctions, treesize of input 59 treesize of output 47 [2023-12-02 20:33:25,258 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 499 treesize of output 483 [2023-12-02 20:33:25,269 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 231 treesize of output 215 [2023-12-02 20:33:25,279 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 107 treesize of output 103 [2023-12-02 20:33:25,288 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 109 treesize of output 101 [2023-12-02 20:33:25,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:25,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575686595] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:33:25,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:33:25,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 21 [2023-12-02 20:33:25,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16155165] [2023-12-02 20:33:25,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:33:25,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-02 20:33:25,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:25,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-02 20:33:25,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=367, Unknown=5, NotChecked=40, Total=506 [2023-12-02 20:33:25,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:25,432 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:25,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 22 states have internal predecessors, (58), 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 20:33:25,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:25,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:25,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:25,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:25,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:25,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:25,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:25,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:25,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:25,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:25,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:25,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:25,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:25,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:25,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:25,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:25,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:25,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:33:25,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-02 20:33:26,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:26,123 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:26,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:26,123 INFO L85 PathProgramCache]: Analyzing trace with hash -2096826260, now seen corresponding path program 1 times [2023-12-02 20:33:26,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:26,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887871235] [2023-12-02 20:33:26,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:26,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:26,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:33:26,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:26,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887871235] [2023-12-02 20:33:26,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887871235] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:33:26,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:33:26,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 20:33:26,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485685343] [2023-12-02 20:33:26,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:33:26,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:33:26,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:26,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:33:26,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:33:26,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:26,239 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:26,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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 20:33:26,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:26,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:26,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:26,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:26,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:26,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:26,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:26,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:26,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:33:26,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:26,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:26,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:33:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:26,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 20:33:26,426 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:26,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:26,426 INFO L85 PathProgramCache]: Analyzing trace with hash -710345137, now seen corresponding path program 1 times [2023-12-02 20:33:26,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:26,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449231138] [2023-12-02 20:33:26,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:26,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:26,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:33:26,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:26,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449231138] [2023-12-02 20:33:26,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449231138] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:33:26,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:33:26,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:33:26,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555687351] [2023-12-02 20:33:26,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:33:26,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:33:26,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:26,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:33:26,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:33:26,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:26,491 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:26,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) 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 20:33:26,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:26,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:26,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:26,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:26,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:26,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:26,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:26,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:26,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:33:26,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:26,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:27,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:27,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:27,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:27,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:27,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:27,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:27,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:27,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:27,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:27,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:27,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:27,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 20:33:27,283 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:27,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:27,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1121798584, now seen corresponding path program 1 times [2023-12-02 20:33:27,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:27,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305157891] [2023-12-02 20:33:27,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:27,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:27,467 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:27,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:27,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305157891] [2023-12-02 20:33:27,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305157891] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:33:27,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700737795] [2023-12-02 20:33:27,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:27,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:27,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:33:27,470 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:33:27,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 20:33:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:27,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 20:33:27,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:33:27,764 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:27,764 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:33:27,904 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:27,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700737795] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:33:27,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:33:27,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 20 [2023-12-02 20:33:27,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188197645] [2023-12-02 20:33:27,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:33:27,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 20:33:27,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:27,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 20:33:27,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2023-12-02 20:33:27,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:27,908 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:27,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 20 states have internal predecessors, (69), 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 20:33:27,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:27,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:27,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:27,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:27,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:27,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:27,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:27,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:27,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:27,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:27,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:27,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:28,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:28,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:28,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:28,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:28,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:28,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:28,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:28,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:28,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:28,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:28,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 20:33:28,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:28,446 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:28,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:28,446 INFO L85 PathProgramCache]: Analyzing trace with hash 355504970, now seen corresponding path program 2 times [2023-12-02 20:33:28,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:28,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321869964] [2023-12-02 20:33:28,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:28,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:28,686 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:28,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:28,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321869964] [2023-12-02 20:33:28,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321869964] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:33:28,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743869930] [2023-12-02 20:33:28,687 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:33:28,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:28,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:33:28,688 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:33:28,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 20:33:28,837 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:33:28,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:33:28,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 20:33:28,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:33:29,063 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:29,063 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:33:29,311 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:29,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743869930] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:33:29,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:33:29,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2023-12-02 20:33:29,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770277715] [2023-12-02 20:33:29,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:33:29,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-12-02 20:33:29,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:29,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-12-02 20:33:29,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=831, Unknown=0, NotChecked=0, Total=992 [2023-12-02 20:33:29,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:29,315 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:29,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.65625) internal successors, (85), 31 states have internal predecessors, (85), 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 20:33:29,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:29,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:29,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:29,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:29,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:29,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:29,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:29,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:29,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:29,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:29,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:29,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:29,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:29,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:29,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:29,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:29,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:29,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:29,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:29,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:29,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:29,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:29,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:29,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:29,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:29,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:29,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 20:33:29,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:29,838 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:29,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:29,838 INFO L85 PathProgramCache]: Analyzing trace with hash 175800072, now seen corresponding path program 3 times [2023-12-02 20:33:29,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:29,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055697142] [2023-12-02 20:33:29,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:29,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:30,658 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:30,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:30,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055697142] [2023-12-02 20:33:30,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055697142] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:33:30,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162934506] [2023-12-02 20:33:30,659 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:33:30,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:30,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:33:30,660 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:33:30,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 20:33:30,884 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-12-02 20:33:30,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:33:30,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 20:33:30,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:33:31,004 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 20:33:31,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:33:31,104 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 20:33:31,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:33:31,178 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 20:33:31,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:33:31,248 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 20:33:31,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:33:31,290 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 20:33:31,397 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:31,397 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:33:34,016 INFO L349 Elim1Store]: treesize reduction 21, result has 54.3 percent of original size [2023-12-02 20:33:34,017 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 20:33:34,028 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:33:34,028 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 20:33:34,038 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 130 [2023-12-02 20:33:34,044 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 130 treesize of output 114 [2023-12-02 20:33:34,052 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 20:33:34,281 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:34,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162934506] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:33:34,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:33:34,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 35 [2023-12-02 20:33:34,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176038693] [2023-12-02 20:33:34,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:33:34,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-12-02 20:33:34,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:34,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-12-02 20:33:34,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1101, Unknown=30, NotChecked=0, Total=1260 [2023-12-02 20:33:34,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:34,285 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:34,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.6944444444444446) internal successors, (97), 35 states have internal predecessors, (97), 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 20:33:34,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:34,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:34,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:34,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:34,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:34,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:34,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:34,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:34,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:34,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:34,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:34,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:34,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:34,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:35,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:35,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:35,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:35,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:35,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:35,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:35,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:35,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:35,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:33:35,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 20:33:35,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-12-02 20:33:35,502 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:35,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:35,502 INFO L85 PathProgramCache]: Analyzing trace with hash 175801033, now seen corresponding path program 1 times [2023-12-02 20:33:35,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:35,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163597222] [2023-12-02 20:33:35,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:35,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:36,595 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:36,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:36,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163597222] [2023-12-02 20:33:36,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163597222] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:33:36,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270223781] [2023-12-02 20:33:36,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:36,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:36,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:33:36,596 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:33:36,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 20:33:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:36,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 20:33:36,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:33:36,929 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:33:36,929 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:33:36,972 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-12-02 20:33:36,972 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 25 treesize of output 12 [2023-12-02 20:33:37,094 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 20:33:37,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270223781] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:33:37,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:33:37,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9, 7] total 31 [2023-12-02 20:33:37,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120341418] [2023-12-02 20:33:37,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:33:37,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-12-02 20:33:37,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:37,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-12-02 20:33:37,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=842, Unknown=0, NotChecked=0, Total=930 [2023-12-02 20:33:37,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:37,097 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:37,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.935483870967742) internal successors, (91), 31 states have internal predecessors, (91), 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 20:33:37,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:37,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:37,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:37,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:37,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:37,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:37,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:37,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:37,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:37,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:37,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:37,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:37,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:37,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:33:37,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:38,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:38,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:38,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:38,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:38,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:38,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:38,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:38,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:38,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:38,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:38,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:38,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:38,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:38,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:33:38,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:33:38,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 20:33:38,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-02 20:33:38,281 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:38,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:38,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1883564468, now seen corresponding path program 1 times [2023-12-02 20:33:38,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:38,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743490468] [2023-12-02 20:33:38,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:38,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:39,151 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:39,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:39,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743490468] [2023-12-02 20:33:39,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743490468] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:33:39,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109002514] [2023-12-02 20:33:39,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:39,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:39,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:33:39,153 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:33:39,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 20:33:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:39,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 20:33:39,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:33:39,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:33:39,305 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 14 treesize of output 12 [2023-12-02 20:33:39,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 20:33:39,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:33:39,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 20:33:39,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:33:39,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 20:33:39,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 20:33:39,865 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 20:33:39,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:33:39,959 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 20:33:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:40,232 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:33:40,430 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_458 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_458) c_~A~0.base) (+ c_~A~0.offset 4)) 4294967296)) is different from false [2023-12-02 20:33:40,588 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_458 (Array Int Int)) (v_ArrVal_457 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_#t~nondet24#1_121| Int) (v_ArrVal_456 (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~nondet24#1_121|)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_456) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_457) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_458) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 4294967296)) is different from false [2023-12-02 20:33:47,190 INFO L349 Elim1Store]: treesize reduction 66, result has 35.9 percent of original size [2023-12-02 20:33:47,191 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 20:33:47,200 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:33:47,200 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 20:33:47,208 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 20:33:47,220 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 20:33:47,224 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 20:33:47,403 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2023-12-02 20:33:47,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109002514] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:33:47,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:33:47,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 14] total 46 [2023-12-02 20:33:47,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331130747] [2023-12-02 20:33:47,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:33:47,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-12-02 20:33:47,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:47,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-12-02 20:33:47,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1776, Unknown=32, NotChecked=174, Total=2162 [2023-12-02 20:33:47,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:47,407 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:47,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 2.4893617021276597) internal successors, (117), 46 states have internal predecessors, (117), 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 20:33:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:47,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:47,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:47,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:47,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:47,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:47,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:47,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:47,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:47,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:33:47,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:33:47,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:48,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:48,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:48,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:48,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:48,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:48,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:48,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:48,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:48,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:48,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:48,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:33:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:33:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:33:49,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 20:33:49,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-02 20:33:49,197 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:49,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:49,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1883561583, now seen corresponding path program 1 times [2023-12-02 20:33:49,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:49,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347313174] [2023-12-02 20:33:49,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:49,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:49,342 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 20:33:49,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:49,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347313174] [2023-12-02 20:33:49,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347313174] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:33:49,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:33:49,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:33:49,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248379284] [2023-12-02 20:33:49,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:33:49,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:33:49,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:49,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:33:49,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:33:49,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:49,345 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:49,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 20:33:49,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:49,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:49,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:33:49,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:33:49,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:33:49,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:49,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:49,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:49,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:49,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:33:49,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:33:49,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:33:49,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:49,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-02 20:33:49,683 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:49,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:49,684 INFO L85 PathProgramCache]: Analyzing trace with hash 588219448, now seen corresponding path program 1 times [2023-12-02 20:33:49,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:49,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113850784] [2023-12-02 20:33:49,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:49,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:49,821 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 20:33:49,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:49,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113850784] [2023-12-02 20:33:49,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113850784] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:33:49,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:33:49,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:33:49,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579338244] [2023-12-02 20:33:49,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:33:49,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:33:49,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:49,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:33:49,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:33:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:49,824 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:49,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 20:33:49,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:49,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:49,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:49,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:49,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:49,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:49,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:49,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:49,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:49,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:49,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:49,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:49,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:49,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:33:49,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:33:49,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:33:49,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:49,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:49,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:49,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:49,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:49,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:49,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:33:49,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:33:49,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:33:49,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:49,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:49,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-02 20:33:49,908 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:49,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:49,908 INFO L85 PathProgramCache]: Analyzing trace with hash 588219449, now seen corresponding path program 1 times [2023-12-02 20:33:49,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:49,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625499268] [2023-12-02 20:33:49,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:49,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 20:33:50,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:50,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625499268] [2023-12-02 20:33:50,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625499268] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:33:50,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:33:50,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:33:50,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535289655] [2023-12-02 20:33:50,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:33:50,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:33:50,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:50,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:33:50,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:33:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:50,068 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:50,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 20:33:50,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:50,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:50,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:50,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:50,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:50,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:50,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:50,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:50,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:50,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:50,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:50,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:33:50,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:33:50,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:33:50,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:50,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:50,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:50,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:50,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:50,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:50,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:50,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:50,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:50,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:50,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:50,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:50,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:33:50,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:33:50,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:33:50,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-02 20:33:50,230 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:50,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:50,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1656764645, now seen corresponding path program 1 times [2023-12-02 20:33:50,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:50,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746896218] [2023-12-02 20:33:50,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:50,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:50,336 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 20:33:50,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:50,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746896218] [2023-12-02 20:33:50,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746896218] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:33:50,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048705371] [2023-12-02 20:33:50,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:50,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:50,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:33:50,339 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:33:50,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 20:33:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:50,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:33:50,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:33:50,565 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 20:33:50,566 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:33:50,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048705371] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:33:50,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:33:50,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-12-02 20:33:50,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939760628] [2023-12-02 20:33:50,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:33:50,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:33:50,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:50,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:33:50,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-02 20:33:50,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:50,568 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:50,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 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 20:33:50,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:50,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:50,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:50,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:50,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:50,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:50,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:50,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:50,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:50,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:50,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:50,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:33:50,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:33:50,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:33:50,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:50,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:50,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:50,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:50,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:50,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:50,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:50,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:50,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:50,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:50,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:50,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:50,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:33:50,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:33:50,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:33:50,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:50,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:50,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-02 20:33:50,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:50,979 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:50,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:50,980 INFO L85 PathProgramCache]: Analyzing trace with hash 179904434, now seen corresponding path program 1 times [2023-12-02 20:33:50,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:50,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5476913] [2023-12-02 20:33:50,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:50,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:51,083 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 20:33:51,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:51,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5476913] [2023-12-02 20:33:51,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5476913] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:33:51,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991362137] [2023-12-02 20:33:51,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:51,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:51,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:33:51,085 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:33:51,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-02 20:33:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:51,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:33:51,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:33:51,272 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 20:33:51,272 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:33:51,321 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 20:33:51,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991362137] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:33:51,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:33:51,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-12-02 20:33:51,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136516618] [2023-12-02 20:33:51,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:33:51,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 20:33:51,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:51,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 20:33:51,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-12-02 20:33:51,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:51,323 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:51,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 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 20:33:51,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:51,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:51,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:51,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:51,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:51,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:51,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:51,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:51,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:51,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:51,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:51,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:51,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:51,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:33:51,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:33:51,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:33:51,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:51,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:51,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:51,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:51,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:51,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:51,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:51,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:51,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:51,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:51,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:51,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:51,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:51,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:51,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:51,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:51,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:51,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:51,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:51,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:33:51,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:33:51,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:51,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:51,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:51,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:51,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:51,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-12-02 20:33:51,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:51,927 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:51,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:51,928 INFO L85 PathProgramCache]: Analyzing trace with hash -965947367, now seen corresponding path program 4 times [2023-12-02 20:33:51,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:51,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150329306] [2023-12-02 20:33:51,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:51,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:33:52,958 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:52,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:33:52,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150329306] [2023-12-02 20:33:52,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150329306] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:33:52,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758632251] [2023-12-02 20:33:52,959 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 20:33:52,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:52,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:33:52,961 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:33:52,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-02 20:33:53,113 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 20:33:53,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:33:53,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 62 conjunts are in the unsatisfiable core [2023-12-02 20:33:53,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:33:53,124 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 18 treesize of output 16 [2023-12-02 20:33:53,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 20:33:53,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:33:53,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 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 20:33:53,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 20:33:53,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 20:33:53,439 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 20:33:53,964 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:33:53,964 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:33:56,452 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_665 (Array Int Int)) (v_ArrVal_664 (Array Int Int))) (< 0 (+ (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_664) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_665) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_666) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 9223372039002259456))) is different from false [2023-12-02 20:33:56,809 INFO L349 Elim1Store]: treesize reduction 21, result has 54.3 percent of original size [2023-12-02 20:33:56,809 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 20:33:56,821 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:33:56,821 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 20:33:56,833 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 20:33:56,838 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 118 [2023-12-02 20:33:56,844 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 62 treesize of output 54 [2023-12-02 20:33:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 10 not checked. [2023-12-02 20:33:57,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758632251] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:33:57,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:33:57,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 21, 16] total 44 [2023-12-02 20:33:57,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379075572] [2023-12-02 20:33:57,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:33:57,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-12-02 20:33:57,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:33:57,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-12-02 20:33:57,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1726, Unknown=38, NotChecked=84, Total=1980 [2023-12-02 20:33:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:57,173 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:33:57,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.911111111111111) internal successors, (131), 44 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 20:33:57,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:57,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:57,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:57,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:57,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:57,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:57,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:57,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:57,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:57,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:33:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:33:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:57,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:57,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:57,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:59,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:33:59,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:59,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:59,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:59,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:59,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:33:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:33:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:33:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:33:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:33:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:33:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:33:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:33:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:33:59,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-12-02 20:33:59,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:33:59,938 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:33:59,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:33:59,938 INFO L85 PathProgramCache]: Analyzing trace with hash -965946405, now seen corresponding path program 2 times [2023-12-02 20:33:59,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:33:59,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198233167] [2023-12-02 20:33:59,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:33:59,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:33:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:34:00,854 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:34:00,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:34:00,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198233167] [2023-12-02 20:34:00,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198233167] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:34:00,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289690326] [2023-12-02 20:34:00,855 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:34:00,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:34:00,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:34:00,856 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:34:00,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-02 20:34:01,009 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:34:01,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:34:01,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-02 20:34:01,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:34:01,274 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 20:34:01,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:34:01,385 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 20:34:01,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:34:01,470 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 20:34:01,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:34:01,582 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 20:34:01,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:34:01,689 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 20:34:02,126 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:34:02,126 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:34:06,652 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_715 (Array Int Int)) (v_ArrVal_717 (Array Int Int)) (v_ArrVal_716 (Array Int Int))) (< (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_715) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_716) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_717) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 4294967296)) is different from false [2023-12-02 20:34:06,664 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_715 (Array Int Int)) (v_ArrVal_717 (Array Int Int)) (v_ArrVal_716 (Array Int Int)) (v_ArrVal_714 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_ArrVal_714)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_715) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_716) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_717) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 4294967296)) is different from false [2023-12-02 20:34:06,909 INFO L349 Elim1Store]: treesize reduction 21, result has 54.3 percent of original size [2023-12-02 20:34:06,909 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 20:34:06,920 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:34:06,920 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 553 treesize of output 529 [2023-12-02 20:34:06,929 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 20:34:06,933 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 55 treesize of output 47 [2023-12-02 20:34:06,972 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 20:34:07,222 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 13 not checked. [2023-12-02 20:34:07,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289690326] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:34:07,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:34:07,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 22, 17] total 54 [2023-12-02 20:34:07,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095199323] [2023-12-02 20:34:07,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:34:07,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-12-02 20:34:07,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:34:07,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-12-02 20:34:07,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=2557, Unknown=30, NotChecked=206, Total=2970 [2023-12-02 20:34:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:07,227 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:34:07,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 2.6363636363636362) internal successors, (145), 54 states have internal predecessors, (145), 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 20:34:07,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:07,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:07,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:07,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:07,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:07,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:07,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:07,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:07,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:07,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:07,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:07,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:07,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:07,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:07,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:34:07,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:34:07,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:07,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:07,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:07,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:07,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:07,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:34:07,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:10,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:10,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:10,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:10,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:10,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:10,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:34:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:34:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:10,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:10,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:10,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:10,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:34:10,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-12-02 20:34:10,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:34:10,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-12-02 20:34:10,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-12-02 20:34:10,236 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:34:10,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:34:10,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1323064756, now seen corresponding path program 1 times [2023-12-02 20:34:10,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:34:10,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227263298] [2023-12-02 20:34:10,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:34:10,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:34:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:34:10,630 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 14 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:34:10,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:34:10,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227263298] [2023-12-02 20:34:10,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227263298] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:34:10,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672486987] [2023-12-02 20:34:10,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:34:10,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:34:10,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:34:10,631 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:34:10,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-02 20:34:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:34:10,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 20:34:10,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:34:10,927 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 20:34:10,927 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:34:10,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672486987] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:34:10,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:34:10,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [20] total 27 [2023-12-02 20:34:10,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460067648] [2023-12-02 20:34:10,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:34:10,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 20:34:10,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:34:10,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 20:34:10,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2023-12-02 20:34:10,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:10,929 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:34:10,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 20:34:10,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:10,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:10,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:10,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:10,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:10,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:10,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:10,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:10,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:10,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:10,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:10,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:10,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:10,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:10,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:34:10,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:34:10,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:10,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:10,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:10,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:10,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:34:10,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-12-02 20:34:10,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:34:10,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:11,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:11,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:11,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:11,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:11,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:11,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:11,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:11,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:11,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:11,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:34:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:34:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:11,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:34:11,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-12-02 20:34:11,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:34:11,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:34:11,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-12-02 20:34:11,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-12-02 20:34:11,490 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:34:11,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:34:11,490 INFO L85 PathProgramCache]: Analyzing trace with hash 653129958, now seen corresponding path program 1 times [2023-12-02 20:34:11,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:34:11,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617580109] [2023-12-02 20:34:11,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:34:11,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:34:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:34:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 14 proven. 20 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 20:34:11,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:34:11,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617580109] [2023-12-02 20:34:11,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617580109] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:34:11,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052543797] [2023-12-02 20:34:11,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:34:11,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:34:11,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:34:11,625 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:34:11,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-02 20:34:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:34:11,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 20:34:11,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:34:11,847 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 14 proven. 20 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 20:34:11,847 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:34:11,941 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 14 proven. 20 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 20:34:11,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052543797] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:34:11,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:34:11,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2023-12-02 20:34:11,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724211562] [2023-12-02 20:34:11,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:34:11,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-02 20:34:11,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:34:11,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-02 20:34:11,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2023-12-02 20:34:11,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:11,943 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:34:11,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.9375) internal successors, (95), 16 states have internal predecessors, (95), 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 20:34:11,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:11,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:11,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:11,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:11,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:11,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:11,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:11,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:34:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:34:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:11,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:11,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:34:11,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-12-02 20:34:11,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:34:11,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:34:11,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:12,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:12,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:12,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:12,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:34:12,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:34:12,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:12,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:12,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:12,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:12,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:34:12,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:12,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:12,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:34:12,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:34:12,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-12-02 20:34:12,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-12-02 20:34:12,670 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:34:12,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:34:12,670 INFO L85 PathProgramCache]: Analyzing trace with hash 395716328, now seen corresponding path program 5 times [2023-12-02 20:34:12,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:34:12,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685128911] [2023-12-02 20:34:12,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:34:12,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:34:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:34:13,143 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 19 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:34:13,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:34:13,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685128911] [2023-12-02 20:34:13,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685128911] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:34:13,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359141236] [2023-12-02 20:34:13,143 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-12-02 20:34:13,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:34:13,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:34:13,144 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:34:13,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-02 20:34:13,384 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-12-02 20:34:13,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:34:13,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 20:34:13,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:34:13,928 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 19 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:34:13,929 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:34:14,399 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 42 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:34:14,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359141236] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:34:14,400 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:34:14,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 51 [2023-12-02 20:34:14,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025865445] [2023-12-02 20:34:14,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:34:14,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-12-02 20:34:14,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:34:14,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-12-02 20:34:14,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=2311, Unknown=0, NotChecked=0, Total=2652 [2023-12-02 20:34:14,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:14,402 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:34:14,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 2.75) internal successors, (143), 51 states have internal predecessors, (143), 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 20:34:14,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:14,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:14,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:14,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:14,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:14,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:14,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:14,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:14,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:14,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:14,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:14,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:14,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:14,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:14,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:34:14,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:34:14,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:14,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:14,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:14,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:14,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:34:14,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:14,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:14,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:34:14,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:34:14,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:14,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:14,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:34:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:34:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:14,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:14,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:14,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:34:14,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:14,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:14,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:34:14,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:34:14,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:34:14,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-12-02 20:34:15,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-12-02 20:34:15,154 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:34:15,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:34:15,154 INFO L85 PathProgramCache]: Analyzing trace with hash -2010463962, now seen corresponding path program 6 times [2023-12-02 20:34:15,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:34:15,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031466748] [2023-12-02 20:34:15,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:34:15,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:34:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:34:16,356 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 6 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:34:16,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:34:16,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031466748] [2023-12-02 20:34:16,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031466748] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:34:16,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618292534] [2023-12-02 20:34:16,357 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-12-02 20:34:16,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:34:16,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:34:16,358 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:34:16,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-12-02 20:34:16,665 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-12-02 20:34:16,665 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:34:16,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 71 conjunts are in the unsatisfiable core [2023-12-02 20:34:16,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:34:17,047 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 20:34:17,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:34:17,214 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 20:34:17,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:34:17,302 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 20:34:17,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:34:17,414 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 20:34:17,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:34:17,522 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 20:34:18,348 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 6 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:34:18,348 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:34:18,672 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_903 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_903) c_~A~0.base) (+ c_~A~0.offset (* |c_thread1Thread1of1ForFork0_~i~0#1| 4) 12)) 9223372039002259456))) is different from false [2023-12-02 20:34:18,684 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_902 (Array Int Int)) (v_ArrVal_903 (Array Int Int))) (< 0 (+ 9223372039002259456 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_902) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_903) c_~A~0.base) (+ c_~A~0.offset (* |c_thread1Thread1of1ForFork0_~i~0#1| 4) 12))))) is different from false [2023-12-02 20:34:26,464 INFO L349 Elim1Store]: treesize reduction 21, result has 54.3 percent of original size [2023-12-02 20:34:26,465 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 20:34:26,476 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:34:26,476 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 20:34:26,488 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 20:34:26,497 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 20:34:26,500 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 20:34:26,945 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 6 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:34:26,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618292534] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:34:26,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:34:26,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 28, 21] total 68 [2023-12-02 20:34:26,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075881198] [2023-12-02 20:34:26,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:34:26,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2023-12-02 20:34:26,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:34:26,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2023-12-02 20:34:26,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=4157, Unknown=36, NotChecked=262, Total=4692 [2023-12-02 20:34:26,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:26,950 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:34:26,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 2.63768115942029) internal successors, (182), 68 states have internal predecessors, (182), 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 20:34:26,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:26,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:26,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:26,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:26,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:26,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:26,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:26,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:26,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:26,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:26,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:26,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:26,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:26,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:26,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:34:26,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:34:26,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:26,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:26,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:26,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:26,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:34:26,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:26,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:26,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:34:26,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:34:26,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:34:26,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:30,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:30,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:30,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:30,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:30,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:30,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:30,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:30,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:30,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:30,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:30,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:30,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:30,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:30,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:30,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:34:30,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:34:30,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:30,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:30,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:30,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:30,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:34:30,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:30,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:30,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:34:30,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:34:30,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:34:30,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:34:30,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-12-02 20:34:30,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-12-02 20:34:30,682 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:34:30,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:34:30,684 INFO L85 PathProgramCache]: Analyzing trace with hash -2010463000, now seen corresponding path program 3 times [2023-12-02 20:34:30,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:34:30,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516952061] [2023-12-02 20:34:30,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:34:30,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:34:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:34:31,686 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:34:31,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:34:31,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516952061] [2023-12-02 20:34:31,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516952061] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:34:31,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94901068] [2023-12-02 20:34:31,687 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:34:31,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:34:31,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:34:31,688 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:34:31,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-12-02 20:34:32,077 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-12-02 20:34:32,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:34:32,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 20:34:32,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:34:32,525 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 20:34:32,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:34:32,704 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 20:34:32,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:34:32,794 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 20:34:32,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:34:32,943 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 20:34:33,449 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:34:33,449 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 27 treesize of output 15 [2023-12-02 20:34:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 19 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:34:33,731 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:34:37,073 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:34:37,073 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 1 case distinctions, treesize of input 34 treesize of output 35 [2023-12-02 20:34:37,086 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:34:37,087 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 683 treesize of output 651 [2023-12-02 20:34:37,103 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 73 treesize of output 67 [2023-12-02 20:34:37,110 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 146 treesize of output 122 [2023-12-02 20:34:37,119 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 54 [2023-12-02 20:34:38,663 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:34:38,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94901068] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:34:38,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:34:38,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 25, 25] total 69 [2023-12-02 20:34:38,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923254443] [2023-12-02 20:34:38,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:34:38,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2023-12-02 20:34:38,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:34:38,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2023-12-02 20:34:38,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=4543, Unknown=4, NotChecked=0, Total=4830 [2023-12-02 20:34:38,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:38,666 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:34:38,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 2.642857142857143) internal successors, (185), 69 states have internal predecessors, (185), 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 20:34:38,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:38,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:38,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:38,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:38,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:38,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:38,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:38,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:38,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:38,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:38,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:38,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:38,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:38,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:38,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:34:38,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:34:38,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:38,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:38,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:38,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:38,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:34:38,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:38,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:38,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:34:38,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:34:38,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:34:38,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:34:38,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:40,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:34:42,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:34:43,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:34:49,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:49,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:49,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:34:49,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:34:49,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:49,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:49,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:49,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:49,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:34:49,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:49,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:49,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:34:49,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:34:49,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:34:49,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:34:49,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:34:49,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-12-02 20:34:49,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-12-02 20:34:49,466 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:34:49,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:34:49,467 INFO L85 PathProgramCache]: Analyzing trace with hash -805931772, now seen corresponding path program 2 times [2023-12-02 20:34:49,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:34:49,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222130719] [2023-12-02 20:34:49,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:34:49,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:34:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:34:50,492 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 24 proven. 80 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-02 20:34:50,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:34:50,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222130719] [2023-12-02 20:34:50,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222130719] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:34:50,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287841419] [2023-12-02 20:34:50,492 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:34:50,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:34:50,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:34:50,493 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:34:50,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-12-02 20:34:50,691 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:34:50,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:34:50,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 20:34:50,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:34:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 17 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-12-02 20:34:51,164 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:34:51,223 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:34:51,223 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 25 treesize of output 17 [2023-12-02 20:34:51,496 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 29 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-12-02 20:34:51,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287841419] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:34:51,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:34:51,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 19, 11] total 48 [2023-12-02 20:34:51,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489821360] [2023-12-02 20:34:51,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:34:51,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-12-02 20:34:51,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:34:51,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-12-02 20:34:51,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=2091, Unknown=0, NotChecked=0, Total=2256 [2023-12-02 20:34:51,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:51,499 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:34:51,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.8333333333333335) internal successors, (136), 48 states have internal predecessors, (136), 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 20:34:51,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:51,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:51,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:51,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:34:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:34:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:51,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:34:51,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:51,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:51,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:34:51,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:34:51,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:34:51,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:34:51,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:34:51,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:54,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:34:54,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:54,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:54,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:54,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:34:54,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:54,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:54,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:54,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:54,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:54,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:34:54,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:54,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:34:54,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:54,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:34:54,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:34:54,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:54,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:54,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:34:54,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:34:54,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:34:54,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:54,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:54,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:34:54,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:34:54,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:34:54,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:34:54,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:34:54,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:34:54,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-12-02 20:34:54,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-12-02 20:34:54,244 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:34:54,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:34:54,244 INFO L85 PathProgramCache]: Analyzing trace with hash 757646453, now seen corresponding path program 7 times [2023-12-02 20:34:54,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:34:54,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131651079] [2023-12-02 20:34:54,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:34:54,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:34:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:34:55,631 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 2 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:34:55,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:34:55,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131651079] [2023-12-02 20:34:55,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131651079] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:34:55,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14332597] [2023-12-02 20:34:55,632 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-12-02 20:34:55,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:34:55,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:34:55,633 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:34:55,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-12-02 20:34:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:34:55,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-02 20:34:55,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:34:55,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:34:55,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:34:55,850 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 10 treesize of output 8 [2023-12-02 20:34:56,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 20:34:56,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:34:56,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 20:34:56,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:34:56,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 20:34:56,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:34:56,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 20:34:56,888 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 20:34:57,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:34:57,014 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 18 treesize of output 13 [2023-12-02 20:34:58,155 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 3 proven. 143 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:34:58,155 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:34:58,726 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1080 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1080) c_~A~0.base) (+ c_~A~0.offset 16 (* |c_thread2Thread1of1ForFork1_~i~1#1| 4))) 9223372039002259456))) is different from false [2023-12-02 20:34:58,731 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1080 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1080) c_~A~0.base) (+ c_~A~0.offset 16)) 9223372039002259456))) is different from false [2023-12-02 20:34:58,880 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1080 (Array Int Int)) (v_ArrVal_1079 (Array Int Int)) (v_ArrVal_1078 (Array Int Int))) (< 0 (+ (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1078) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1079) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1080) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ 16 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 9223372039002259456))) is different from false [2023-12-02 20:34:58,894 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1080 (Array Int Int)) (v_ArrVal_1076 Int) (v_ArrVal_1079 (Array Int Int)) (v_ArrVal_1078 (Array Int 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_1076)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1078) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1079) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1080) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ 16 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 9223372039002259456))) is different from false [2023-12-02 20:35:09,854 INFO L349 Elim1Store]: treesize reduction 66, result has 35.9 percent of original size [2023-12-02 20:35:09,855 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 20:35:09,866 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:35:09,867 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 619 treesize of output 595 [2023-12-02 20:35:09,878 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 20:35:09,884 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 118 [2023-12-02 20:35:09,891 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 62 treesize of output 54 [2023-12-02 20:35:10,585 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 2 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 25 not checked. [2023-12-02 20:35:10,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14332597] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:35:10,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:35:10,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 35, 26] total 87 [2023-12-02 20:35:10,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520288252] [2023-12-02 20:35:10,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:35:10,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2023-12-02 20:35:10,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:35:10,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2023-12-02 20:35:10,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=6812, Unknown=41, NotChecked=676, Total=7832 [2023-12-02 20:35:10,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:35:10,589 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:35:10,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 88 states have (on average 2.659090909090909) internal successors, (234), 88 states have internal predecessors, (234), 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 20:35:10,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:35:10,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:10,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:35:10,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:10,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:35:10,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:10,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:10,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:35:10,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:10,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:10,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:10,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:10,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:35:10,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:10,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:35:10,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:35:10,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:10,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:10,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:10,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:10,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:35:10,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:10,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:10,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:35:10,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:10,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:35:10,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:10,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:35:10,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:35:10,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:35:16,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:35:16,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:35:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:35:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:35:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:35:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:17,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:35:17,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:35:17,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:17,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:17,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:17,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:17,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:35:17,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:17,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:17,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:35:17,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:17,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:35:17,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:17,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:35:17,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:35:17,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:35:17,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-12-02 20:35:17,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:35:17,203 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:35:17,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:35:17,203 INFO L85 PathProgramCache]: Analyzing trace with hash 757646454, now seen corresponding path program 1 times [2023-12-02 20:35:17,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:35:17,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168707640] [2023-12-02 20:35:17,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:35:17,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:35:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:35:18,755 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 10 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:35:18,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:35:18,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168707640] [2023-12-02 20:35:18,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168707640] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:35:18,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035268638] [2023-12-02 20:35:18,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:35:18,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:35:18,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:35:18,757 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:35:18,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-12-02 20:35:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:35:18,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 68 conjunts are in the unsatisfiable core [2023-12-02 20:35:18,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:35:20,292 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:35:20,293 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:35:20,348 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-12-02 20:35:20,349 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 25 treesize of output 12 [2023-12-02 20:35:20,620 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-12-02 20:35:20,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035268638] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:35:20,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:35:20,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 29, 7] total 63 [2023-12-02 20:35:20,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040139186] [2023-12-02 20:35:20,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:35:20,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2023-12-02 20:35:20,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:35:20,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2023-12-02 20:35:20,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=3686, Unknown=0, NotChecked=0, Total=3906 [2023-12-02 20:35:20,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:35:20,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:35:20,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 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 20:35:20,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:35:20,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:20,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:35:20,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:20,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:35:20,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:20,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:20,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:35:20,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:20,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:20,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:20,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:20,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:35:20,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:20,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:35:20,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:35:20,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:20,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:20,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:20,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:20,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:35:20,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:20,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:20,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:35:20,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:20,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:35:20,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:20,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:35:20,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:35:20,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:35:20,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:35:25,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:35:25,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:35:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:35:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:35:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:35:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:35:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:35:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:35:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:35:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:35:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:35:25,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:35:25,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:35:25,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:35:25,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-12-02 20:35:25,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2023-12-02 20:35:25,911 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:35:25,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:35:25,911 INFO L85 PathProgramCache]: Analyzing trace with hash 757647415, now seen corresponding path program 4 times [2023-12-02 20:35:25,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:35:25,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032686340] [2023-12-02 20:35:25,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:35:25,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:35:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:35:27,330 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 2 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:35:27,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:35:27,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032686340] [2023-12-02 20:35:27,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032686340] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:35:27,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441083122] [2023-12-02 20:35:27,331 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 20:35:27,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:35:27,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:35:27,332 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:35:27,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-12-02 20:35:27,561 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 20:35:27,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:35:27,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 86 conjunts are in the unsatisfiable core [2023-12-02 20:35:27,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:35:28,148 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 20:35:28,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:35:28,322 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 20:35:28,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:35:28,487 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 20:35:28,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:35:28,574 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 20:35:28,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:35:28,687 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 16 treesize of output 11 [2023-12-02 20:35:28,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:35:28,813 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 20:35:29,882 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 3 proven. 143 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:35:29,883 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:35:30,431 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1198 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1198) c_~A~0.base) (+ c_~A~0.offset 16 (* |c_thread2Thread1of1ForFork1_~i~1#1| 4))) 4294967296)) is different from false [2023-12-02 20:35:30,435 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1198 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1198) c_~A~0.base) (+ c_~A~0.offset 16)) 4294967296)) is different from false [2023-12-02 20:35:30,538 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1198 (Array Int Int)) (v_ArrVal_1197 (Array Int Int)) (v_ArrVal_1196 (Array Int Int))) (< (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1196) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1197) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1198) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ 16 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 4294967296)) is different from false [2023-12-02 20:35:38,456 INFO L349 Elim1Store]: treesize reduction 66, result has 35.9 percent of original size [2023-12-02 20:35:38,457 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 20:35:38,467 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:35:38,468 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 20:35:38,476 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 20:35:38,481 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 114 treesize of output 98 [2023-12-02 20:35:38,488 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 20:35:39,350 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 2 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 19 not checked. [2023-12-02 20:35:39,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441083122] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:35:39,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:35:39,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 35, 26] total 87 [2023-12-02 20:35:39,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437923992] [2023-12-02 20:35:39,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:35:39,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2023-12-02 20:35:39,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:35:39,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2023-12-02 20:35:39,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=6971, Unknown=44, NotChecked=510, Total=7832 [2023-12-02 20:35:39,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:35:39,357 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:35:39,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 88 states have (on average 2.659090909090909) internal successors, (234), 88 states have internal predecessors, (234), 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 20:35:39,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:35:39,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:39,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:35:39,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:39,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:35:39,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:39,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:39,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:35:39,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:39,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:39,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:39,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:39,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:35:39,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:39,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:35:39,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:35:39,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:39,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:39,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:39,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:39,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:35:39,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:39,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:39,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:35:39,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:39,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:35:39,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:39,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:35:39,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:35:39,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:35:39,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:35:39,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:35:48,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:35:48,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:48,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:35:48,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:48,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:35:48,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:48,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:48,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:35:48,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:48,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:48,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:35:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:35:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:35:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:35:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:35:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:35:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:48,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:35:48,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:35:48,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:35:48,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:35:48,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:35:48,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2023-12-02 20:35:48,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2023-12-02 20:35:48,305 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:35:48,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:35:48,306 INFO L85 PathProgramCache]: Analyzing trace with hash -524913315, now seen corresponding path program 2 times [2023-12-02 20:35:48,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:35:48,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274489791] [2023-12-02 20:35:48,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:35:48,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:35:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:35:48,543 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-12-02 20:35:48,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:35:48,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274489791] [2023-12-02 20:35:48,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274489791] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:35:48,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136174096] [2023-12-02 20:35:48,544 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:35:48,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:35:48,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:35:48,545 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:35:48,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-12-02 20:35:48,734 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-02 20:35:48,734 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:35:48,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:35:48,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:35:48,859 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-12-02 20:35:48,859 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:35:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-12-02 20:35:48,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136174096] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:35:48,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:35:48,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 3, 3] total 14 [2023-12-02 20:35:48,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304510686] [2023-12-02 20:35:48,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:35:48,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 20:35:48,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:35:48,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 20:35:48,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-12-02 20:35:48,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:35:48,989 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:35:48,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.928571428571429) internal successors, (97), 15 states have internal predecessors, (97), 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 20:35:48,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:35:48,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:48,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:35:48,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:48,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:35:48,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:48,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:48,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:35:48,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:48,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:48,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:48,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:48,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:35:48,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:48,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:35:48,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:35:48,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:48,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:48,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:48,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:48,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:48,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:48,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:48,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:35:48,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:35:48,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:35:48,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:48,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:35:48,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:35:48,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:35:48,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:35:48,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:35:48,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:35:50,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:35:50,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:50,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:35:50,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:35:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:35:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:35:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:35:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:35:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:35:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:35:50,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:35:50,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:35:50,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:50,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:50,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:35:50,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:35:50,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:35:50,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:35:50,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:35:50,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:35:50,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:35:50,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-12-02 20:35:50,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:35:50,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:35:50,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-12-02 20:35:50,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2023-12-02 20:35:50,352 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:35:50,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:35:50,353 INFO L85 PathProgramCache]: Analyzing trace with hash 220289092, now seen corresponding path program 8 times [2023-12-02 20:35:50,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:35:50,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388847507] [2023-12-02 20:35:50,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:35:50,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:35:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:35:52,123 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 77 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:35:52,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:35:52,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388847507] [2023-12-02 20:35:52,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388847507] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:35:52,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190493750] [2023-12-02 20:35:52,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:35:52,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:35:52,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:35:52,125 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:35:52,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-12-02 20:35:52,356 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:35:52,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:35:52,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 95 conjunts are in the unsatisfiable core [2023-12-02 20:35:52,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:35:53,095 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 20:35:53,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:35:53,290 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 20:35:53,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:35:53,412 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 20:35:53,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:35:53,598 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 20:35:53,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:35:53,792 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 20:35:55,896 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 10 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:35:55,896 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:35:56,991 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1317 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1317) c_~A~0.base) (+ c_~A~0.offset (* |c_thread1Thread1of1ForFork0_~i~0#1| 4) 20)) 9223372039002259456))) is different from false [2023-12-02 20:36:17,170 INFO L349 Elim1Store]: treesize reduction 21, result has 54.3 percent of original size [2023-12-02 20:36:17,170 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 20:36:17,179 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:36:17,179 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 20:36:17,187 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 20:36:17,192 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 20:36:17,198 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 20:36:18,600 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 10 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:36:18,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190493750] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:36:18,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:36:18,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 40, 29] total 100 [2023-12-02 20:36:18,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160478832] [2023-12-02 20:36:18,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:36:18,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2023-12-02 20:36:18,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:36:18,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2023-12-02 20:36:18,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=9494, Unknown=78, NotChecked=196, Total=10100 [2023-12-02 20:36:18,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:36:18,606 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:36:18,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 2.5841584158415842) internal successors, (261), 100 states have internal predecessors, (261), 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 20:36:18,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:36:18,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:36:18,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:36:18,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:36:18,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:36:18,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:36:18,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:36:18,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:36:18,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:36:18,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:36:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:36:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:36:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:36:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:36:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:36:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:36:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:36:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:36:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:36:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:36:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:36:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:36:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:36:18,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:36:18,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:36:18,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:36:18,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:36:18,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:36:18,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:36:18,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:36:18,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-12-02 20:36:18,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:36:18,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:36:18,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:36:30,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:36:30,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:36:30,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:36:30,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:36:30,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:36:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:36:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:36:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:36:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:36:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:36:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:36:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:36:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:36:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:36:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:36:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:36:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:36:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:36:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:36:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:36:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:36:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:36:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:36:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:36:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:36:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:36:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:36:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:36:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:36:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:36:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-12-02 20:36:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:36:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:36:30,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:36:30,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2023-12-02 20:36:31,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2023-12-02 20:36:31,134 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:36:31,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:36:31,134 INFO L85 PathProgramCache]: Analyzing trace with hash -568552824, now seen corresponding path program 5 times [2023-12-02 20:36:31,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:36:31,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894489251] [2023-12-02 20:36:31,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:36:31,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:36:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:36:33,008 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 12 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:36:33,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:36:33,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894489251] [2023-12-02 20:36:33,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894489251] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:36:33,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130146844] [2023-12-02 20:36:33,008 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-12-02 20:36:33,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:36:33,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:36:33,009 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:36:33,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-12-02 20:36:33,371 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2023-12-02 20:36:33,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:36:33,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 99 conjunts are in the unsatisfiable core [2023-12-02 20:36:33,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:36:34,259 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 20:36:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:34,440 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 20:36:34,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:34,635 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 20:36:34,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:34,744 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 20:36:34,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:34,917 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 20:36:35,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:36:35,090 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 20:36:36,892 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 13 proven. 199 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:36:36,892 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:36:37,924 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1385 (Array Int Int)) (v_ArrVal_1384 (Array Int Int))) (< (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1384) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1385) c_~A~0.base) (+ c_~A~0.offset (* |c_thread1Thread1of1ForFork0_~i~0#1| 4) 20)) 4294967296)) is different from false [2023-12-02 20:37:01,544 INFO L349 Elim1Store]: treesize reduction 66, result has 35.9 percent of original size [2023-12-02 20:37:01,545 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 20:37:01,555 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:37:01,555 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 20:37:01,562 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 20:37:01,567 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 20:37:01,573 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 20:37:02,943 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 12 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:37:02,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130146844] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:37:02,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:37:02,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 42, 31] total 102 [2023-12-02 20:37:02,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732015216] [2023-12-02 20:37:02,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:37:02,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2023-12-02 20:37:02,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:37:02,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2023-12-02 20:37:02,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=9856, Unknown=78, NotChecked=200, Total=10506 [2023-12-02 20:37:02,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:37:02,949 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:37:02,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 2.6116504854368934) internal successors, (269), 102 states have internal predecessors, (269), 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 20:37:02,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:37:02,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:37:02,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:37:02,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:37:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:37:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:37:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:37:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:37:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:37:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:37:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:37:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:37:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:37:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:37:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:37:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:37:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:37:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:37:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:37:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:37:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:37:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:37:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:37:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:37:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:37:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-12-02 20:37:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:37:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:37:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:37:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:37:14,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:37:14,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:37:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:37:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:37:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:37:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:37:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:37:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:37:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:37:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:37:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:37:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:37:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:37:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:37:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:37:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:37:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:37:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:37:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:37:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:37:14,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:37:14,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:37:14,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:37:14,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:37:14,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:37:14,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:37:14,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:37:14,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:37:14,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:37:14,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:37:14,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2023-12-02 20:37:14,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:37:14,577 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:37:14,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:37:14,578 INFO L85 PathProgramCache]: Analyzing trace with hash -71487147, now seen corresponding path program 9 times [2023-12-02 20:37:14,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:37:14,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749691169] [2023-12-02 20:37:14,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:37:14,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:37:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:37:16,716 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 12 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:37:16,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:37:16,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749691169] [2023-12-02 20:37:16,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749691169] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:37:16,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770330585] [2023-12-02 20:37:16,716 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:37:16,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:37:16,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:37:16,717 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:37:16,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-12-02 20:37:17,321 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2023-12-02 20:37:17,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:37:17,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 65 conjunts are in the unsatisfiable core [2023-12-02 20:37:17,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:37:17,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:37:17,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:37:17,341 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 10 treesize of output 8 [2023-12-02 20:37:18,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 20:37:19,014 INFO L349 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2023-12-02 20:37:19,014 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 1 case distinctions, treesize of input 37 treesize of output 21 [2023-12-02 20:37:19,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:37:19,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 20:37:19,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:37:19,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 20:37:19,717 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 20:37:22,197 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 115 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:37:22,197 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:37:27,102 INFO L349 Elim1Store]: treesize reduction 16, result has 65.2 percent of original size [2023-12-02 20:37:27,103 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 42 treesize of output 53 [2023-12-02 20:37:27,117 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:37:27,117 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 719 treesize of output 685 [2023-12-02 20:37:27,133 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 76 treesize of output 62 [2023-12-02 20:37:27,146 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 62 treesize of output 55 [2023-12-02 20:37:27,156 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 82 treesize of output 54 [2023-12-02 20:37:30,464 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 140 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:37:30,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770330585] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:37:30,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:37:30,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 36, 36] total 105 [2023-12-02 20:37:30,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291785647] [2023-12-02 20:37:30,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:37:30,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2023-12-02 20:37:30,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:37:30,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2023-12-02 20:37:30,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=542, Invalid=10584, Unknown=4, NotChecked=0, Total=11130 [2023-12-02 20:37:30,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:37:30,468 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:37:30,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 2.858490566037736) internal successors, (303), 105 states have internal predecessors, (303), 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 20:37:30,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:37:30,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:37:30,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:37:30,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:37:30,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:37:30,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:30,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:37:30,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:37:30,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:37:30,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:30,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:37:30,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:37:30,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:37:30,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:37:30,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:37:30,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:37:30,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:30,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:37:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:37:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:37:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:37:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:37:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:37:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:37:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:37:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:37:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:37:30,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:37:30,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:37:30,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:37:30,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:37:30,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:37:30,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:37:30,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:37:32,566 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 [0] [2023-12-02 20:37:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:37:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:37:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:37:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:37:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:37:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:37:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:37:48,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:37:48,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:48,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:37:48,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:37:48,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:37:48,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:37:48,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:37:48,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:37:48,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:48,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:48,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:37:48,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:37:48,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:37:48,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:37:48,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:37:48,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:37:48,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:37:48,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:37:48,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:37:48,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:37:48,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:37:48,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:37:48,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:37:48,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:37:48,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:37:48,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:37:48,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:37:48,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:37:48,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2023-12-02 20:37:48,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2023-12-02 20:37:48,328 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:37:48,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:37:48,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1680075689, now seen corresponding path program 6 times [2023-12-02 20:37:48,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:37:48,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154295995] [2023-12-02 20:37:48,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:37:48,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:37:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:37:50,852 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 19 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:37:50,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:37:50,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154295995] [2023-12-02 20:37:50,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154295995] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:37:50,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49947625] [2023-12-02 20:37:50,853 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-12-02 20:37:50,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:37:50,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:37:50,854 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:37:50,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-12-02 20:37:51,475 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2023-12-02 20:37:51,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:37:51,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 89 conjunts are in the unsatisfiable core [2023-12-02 20:37:51,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:37:52,737 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 20:37:52,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:37:52,959 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 20:37:53,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:37:53,196 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 20:37:53,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:37:53,451 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 20:37:53,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:37:53,588 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 20:37:53,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:37:53,837 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 20:37:53,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:37:53,944 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 20:37:55,240 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 21 proven. 298 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:37:55,241 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:37:56,415 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1532 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1532) c_~A~0.base) (+ c_~A~0.offset (* |c_thread1Thread1of1ForFork0_~i~0#1| 4) 24)) 4294967296)) is different from false [2023-12-02 20:38:55,168 INFO L349 Elim1Store]: treesize reduction 139, result has 26.1 percent of original size [2023-12-02 20:38:55,168 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 20:38:55,180 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:38:55,180 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 20:38:55,187 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 20:38:55,193 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 20:38:55,198 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 110 treesize of output 94 [2023-12-02 20:38:56,812 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 19 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:38:56,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49947625] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:38:56,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:38:56,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 107 [2023-12-02 20:38:56,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635133123] [2023-12-02 20:38:56,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:38:56,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2023-12-02 20:38:56,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:38:56,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2023-12-02 20:38:56,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=10833, Unknown=106, NotChecked=210, Total=11556 [2023-12-02 20:38:56,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:56,815 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:38:56,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 2.8703703703703702) internal successors, (310), 107 states have internal predecessors, (310), 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 20:38:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:38:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:38:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:38:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:38:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:38:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:38:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:38:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:38:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:38:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:38:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:38:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:38:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:38:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:38:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:38:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:38:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:38:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:38:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:38:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:38:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:38:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:38:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:38:56,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:38:56,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:39:08,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:39:08,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:08,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:39:08,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:08,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:39:08,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:08,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:39:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:39:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:39:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:39:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:39:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:39:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:39:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:39:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:39:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:39:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:39:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:39:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:39:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:39:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:39:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:39:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:39:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:39:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:39:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:39:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:39:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:39:08,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:39:08,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2023-12-02 20:39:08,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2023-12-02 20:39:08,255 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:39:08,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:39:08,255 INFO L85 PathProgramCache]: Analyzing trace with hash 172162402, now seen corresponding path program 2 times [2023-12-02 20:39:08,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:39:08,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032790286] [2023-12-02 20:39:08,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:39:08,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:39:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:39:08,619 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 42 proven. 180 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-02 20:39:08,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:39:08,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032790286] [2023-12-02 20:39:08,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032790286] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:39:08,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938873757] [2023-12-02 20:39:08,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:39:08,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:39:08,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:39:08,621 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:39:08,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-12-02 20:39:08,856 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-02 20:39:08,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:39:08,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:39:08,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:39:09,045 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2023-12-02 20:39:09,045 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:39:09,228 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2023-12-02 20:39:09,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938873757] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:39:09,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:39:09,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 4, 4] total 19 [2023-12-02 20:39:09,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562361608] [2023-12-02 20:39:09,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:39:09,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-02 20:39:09,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:39:09,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-02 20:39:09,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2023-12-02 20:39:09,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:39:09,231 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:39:09,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.2105263157894735) internal successors, (118), 19 states have internal predecessors, (118), 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 20:39:09,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:39:09,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:09,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:39:09,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:09,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:39:09,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:09,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:09,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:39:09,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:39:09,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:09,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:09,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:09,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:39:09,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:39:09,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:39:09,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:39:09,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:09,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:09,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:09,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:09,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:39:09,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:39:09,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:39:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:39:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:39:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:39:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:39:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:39:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:39:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:39:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:39:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:39:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:39:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:39:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:39:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:39:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:39:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:39:10,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:39:10,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:10,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:39:10,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:10,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:39:10,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:10,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:10,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:39:10,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:39:10,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:10,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:10,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:10,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:39:10,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:39:10,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:39:10,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:39:10,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:10,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:10,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:10,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:39:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:39:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:39:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:39:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:39:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:39:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:39:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:39:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:39:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:39:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:39:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:39:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:39:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:39:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:39:10,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:39:10,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:39:10,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:39:10,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2023-12-02 20:39:10,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:39:10,433 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:39:10,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:39:10,434 INFO L85 PathProgramCache]: Analyzing trace with hash 2042362980, now seen corresponding path program 10 times [2023-12-02 20:39:10,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:39:10,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564999900] [2023-12-02 20:39:10,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:39:10,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:39:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:39:13,551 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 16 proven. 367 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:39:13,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:39:13,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564999900] [2023-12-02 20:39:13,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564999900] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:39:13,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117158985] [2023-12-02 20:39:13,552 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 20:39:13,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:39:13,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:39:13,553 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:39:13,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-12-02 20:39:13,846 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 20:39:13,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:39:13,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 123 conjunts are in the unsatisfiable core [2023-12-02 20:39:13,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:39:15,526 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 20:39:15,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:39:15,802 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 20:39:16,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:39:16,086 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 20:39:16,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:39:16,256 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 20:39:16,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:39:16,513 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 20:39:16,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:39:16,755 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 20:39:20,349 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 3 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:39:20,349 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:39:22,248 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1677 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1677) c_~A~0.base) (+ c_~A~0.offset 28 (* |c_thread2Thread1of1ForFork1_~i~1#1| 4))) 9223372039002259456))) is different from false [2023-12-02 20:39:22,790 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1677 (Array Int Int)) (v_ArrVal_1676 (Array Int Int)) (v_ArrVal_1675 (Array Int Int))) (< 0 (+ (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1675) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1676) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1677) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ 28 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 9223372039002259456))) is different from false [2023-12-02 20:39:43,681 INFO L349 Elim1Store]: treesize reduction 66, result has 35.9 percent of original size [2023-12-02 20:39:43,682 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 20:39:43,697 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:39:43,697 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 20:39:43,711 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 20:39:43,725 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 20:39:43,729 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 20:39:45,962 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 2 proven. 353 refuted. 0 times theorem prover too weak. 0 trivial. 28 not checked. [2023-12-02 20:39:45,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117158985] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:39:45,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:39:45,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 53, 38] total 130 [2023-12-02 20:39:45,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259251559] [2023-12-02 20:39:45,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:39:45,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2023-12-02 20:39:45,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:39:45,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2023-12-02 20:39:45,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=430, Invalid=16004, Unknown=86, NotChecked=510, Total=17030 [2023-12-02 20:39:45,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:39:45,967 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:39:45,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 2.6793893129770994) internal successors, (351), 130 states have internal predecessors, (351), 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 20:39:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:39:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:39:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:39:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:39:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:39:45,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:45,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:45,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:45,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:39:45,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:39:45,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:39:45,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:39:45,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:45,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:45,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:45,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:45,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:39:45,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:39:45,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:39:45,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:39:45,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:39:45,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:39:45,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:39:45,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:39:45,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:39:45,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:39:45,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:39:45,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:39:45,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:39:45,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:39:45,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:39:45,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:39:45,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:39:45,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:39:45,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:40:09,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:40:09,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:40:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:40:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:40:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:40:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:40:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:40:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:40:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:40:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:40:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:40:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:40:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:40:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:40:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:40:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:40:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:40:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:40:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:40:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:40:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:40:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:40:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:40:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:40:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:40:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:40:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:40:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:40:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:40:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:40:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:40:09,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:40:09,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:40:09,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:40:09,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:40:09,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:40:09,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:40:09,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:40:09,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-12-02 20:40:09,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2023-12-02 20:40:09,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2023-12-02 20:40:09,626 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:40:09,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:40:09,626 INFO L85 PathProgramCache]: Analyzing trace with hash 2042363942, now seen corresponding path program 7 times [2023-12-02 20:40:09,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:40:09,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681079723] [2023-12-02 20:40:09,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:40:09,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:40:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:40:12,465 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 2 proven. 381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:40:12,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:40:12,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681079723] [2023-12-02 20:40:12,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681079723] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:40:12,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764723445] [2023-12-02 20:40:12,466 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-12-02 20:40:12,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:40:12,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:40:12,467 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:40:12,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-12-02 20:40:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:40:12,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 125 conjunts are in the unsatisfiable core [2023-12-02 20:40:12,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:40:12,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:40:12,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:40:12,782 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 10 treesize of output 8 [2023-12-02 20:40:14,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 20:40:14,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:40:14,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 20:40:14,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:40:14,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 20:40:14,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:40:14,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 20:40:15,185 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 20:40:15,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:40:15,398 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 20:40:18,756 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 3 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:40:18,756 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:40:20,584 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1754 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1754) c_~A~0.base) (+ c_~A~0.offset 28 (* |c_thread2Thread1of1ForFork1_~i~1#1| 4))) 4294967296)) is different from false [2023-12-02 20:40:46,024 INFO L349 Elim1Store]: treesize reduction 66, result has 35.9 percent of original size [2023-12-02 20:40:46,025 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 20:40:46,040 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:40:46,040 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 20:40:46,050 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 20:40:46,054 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 20:40:46,061 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 20:40:48,523 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 2 proven. 381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:40:48,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764723445] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:40:48,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:40:48,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 53, 38] total 129 [2023-12-02 20:40:48,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016272759] [2023-12-02 20:40:48,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:40:48,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2023-12-02 20:40:48,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:40:48,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2023-12-02 20:40:48,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=16236, Unknown=82, NotChecked=256, Total=17030 [2023-12-02 20:40:48,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:40:48,527 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:40:48,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 130 states have (on average 2.7) internal successors, (351), 130 states have internal predecessors, (351), 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 20:40:48,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:40:48,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:40:48,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:40:48,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:40:48,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:40:48,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:40:48,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:40:48,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:40:48,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:40:48,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:40:48,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:40:48,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:40:48,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:40:48,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:40:48,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:40:48,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:40:48,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:40:48,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:40:48,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:40:48,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:40:48,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:40:48,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:40:48,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:40:48,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:40:48,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:40:48,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:40:48,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:40:48,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:40:48,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:40:48,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:40:48,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:40:48,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:40:48,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:40:48,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:40:48,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:40:48,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:40:48,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:40:48,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:40:48,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2023-12-02 20:40:48,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:41:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:41:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:41:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:41:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:41:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:41:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:41:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:41:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:41:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:41:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:41:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:41:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:41:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:41:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:41:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:41:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:41:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:41:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:41:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:41:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:41:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:41:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:41:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:41:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:41:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:41:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:41:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:41:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:41:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:41:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:41:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:41:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:41:16,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:41:16,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:41:16,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:41:16,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:41:16,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:41:16,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:41:16,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-12-02 20:41:16,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-12-02 20:41:16,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2023-12-02 20:41:16,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2023-12-02 20:41:16,979 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:41:16,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:41:16,979 INFO L85 PathProgramCache]: Analyzing trace with hash 568242547, now seen corresponding path program 11 times [2023-12-02 20:41:16,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:41:16,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688599116] [2023-12-02 20:41:16,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:41:16,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:41:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:41:20,662 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 457 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:41:20,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:41:20,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688599116] [2023-12-02 20:41:20,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688599116] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:41:20,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539376579] [2023-12-02 20:41:20,663 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-12-02 20:41:20,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:41:20,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:41:20,664 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:41:20,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2023-12-02 20:41:21,406 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2023-12-02 20:41:21,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:41:21,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 134 conjunts are in the unsatisfiable core [2023-12-02 20:41:21,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:41:21,421 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 18 treesize of output 16 [2023-12-02 20:41:21,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 20:41:21,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:41:21,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 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 20:41:22,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 20:41:22,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 20:41:22,391 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 20:41:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 16 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:41:26,913 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:41:29,451 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1831 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1831) c_~A~0.base) (+ c_~A~0.offset 32 (* |c_thread1Thread1of1ForFork0_~i~0#1| 4))) 9223372039002259456))) is different from false [2023-12-02 20:41:29,843 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1831 (Array Int Int)) (v_ArrVal_1830 (Array Int Int))) (< 0 (+ (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1830) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1831) c_~A~0.base) (+ c_~A~0.offset 32)) 9223372039002259456))) is different from false [2023-12-02 20:41:32,768 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_create_fresh_int_array_~i~3#1_199| Int)) (or (< |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_199| (+ |c_ULTIMATE.start_create_fresh_int_array_#t~post23#1| 1)) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~nondet24#1_573| Int) (v_ArrVal_1831 (Array Int Int)) (v_ArrVal_1830 (Array Int Int)) (v_ArrVal_1829 (Array Int 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|) (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~3#1_199| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) |v_ULTIMATE.start_create_fresh_int_array_#t~nondet24#1_573|)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1829) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1830) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1831) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ 32 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 9223372039002259456))))) is different from false [2023-12-02 20:41:32,813 INFO L349 Elim1Store]: treesize reduction 21, result has 54.3 percent of original size [2023-12-02 20:41:32,814 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 20:41:32,826 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:41:32,827 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 20:41:32,838 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 20:41:32,845 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 118 [2023-12-02 20:41:32,851 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 20:41:35,628 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 16 proven. 423 refuted. 0 times theorem prover too weak. 0 trivial. 18 not checked. [2023-12-02 20:41:35,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539376579] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:41:35,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:41:35,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 58, 41] total 118 [2023-12-02 20:41:35,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316775369] [2023-12-02 20:41:35,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:41:35,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 119 states [2023-12-02 20:41:35,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:41:35,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2023-12-02 20:41:35,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=345, Invalid=12946, Unknown=61, NotChecked=690, Total=14042 [2023-12-02 20:41:35,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:41:35,631 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:41:35,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 119 states, 119 states have (on average 2.9243697478991595) internal successors, (348), 118 states have internal predecessors, (348), 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 20:41:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:41:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:41:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:41:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:41:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:41:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:41:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:41:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:41:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:41:35,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:41:35,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:41:35,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:41:35,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:41:35,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:41:35,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:41:35,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:41:35,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:41:35,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:41:35,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:41:35,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:41:35,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:41:35,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:41:35,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:41:35,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:41:35,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:41:35,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:41:35,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:41:35,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:41:35,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:41:35,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:41:35,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:41:35,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:41:35,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:41:35,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:41:35,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:41:35,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:41:35,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:41:35,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:41:35,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-12-02 20:41:35,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-12-02 20:41:35,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:42:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:42:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:42:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:42:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:42:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:42:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:42:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:42:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:42:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:42:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:42:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:42:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:42:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:42:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:42:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:42:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:42:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:42:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:42:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:42:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:42:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:42:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:42:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:42:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:42:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:42:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:42:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:42:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:42:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:42:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:42:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:42:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:42:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:42:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:42:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:42:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:42:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:42:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:42:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-12-02 20:42:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-12-02 20:42:04,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-12-02 20:42:04,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2023-12-02 20:42:04,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2023-12-02 20:42:04,921 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:42:04,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:42:04,922 INFO L85 PathProgramCache]: Analyzing trace with hash 568243509, now seen corresponding path program 8 times [2023-12-02 20:42:04,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:42:04,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042366945] [2023-12-02 20:42:04,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:42:04,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:42:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:42:08,211 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 16 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:42:08,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:42:08,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042366945] [2023-12-02 20:42:08,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042366945] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:42:08,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677342179] [2023-12-02 20:42:08,212 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:42:08,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:42:08,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:42:08,213 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:42:08,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2023-12-02 20:42:08,540 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:42:08,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:42:08,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 134 conjunts are in the unsatisfiable core [2023-12-02 20:42:08,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:42:08,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:42:08,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:42:08,557 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 10 treesize of output 8 [2023-12-02 20:42:10,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 20:42:10,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:42:10,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 20:42:11,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:42:11,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 20:42:11,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:42:11,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 20:42:11,623 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 20:42:16,456 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 16 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:42:16,457 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:42:21,550 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1909 (Array Int Int)) (v_ArrVal_1908 (Array Int Int))) (< (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1908) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1909) c_~A~0.base) (+ c_~A~0.offset 32)) 4294967296)) is different from false [2023-12-02 20:42:21,565 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1909 (Array Int Int)) (v_ArrVal_1908 (Array Int Int)) (v_ArrVal_1907 (Array Int Int))) (< (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1907) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1908) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1909) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ 32 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 4294967296)) is different from false [2023-12-02 20:42:33,946 INFO L349 Elim1Store]: treesize reduction 21, result has 54.3 percent of original size [2023-12-02 20:42:33,947 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 20:42:33,958 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:42:33,958 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 553 treesize of output 529 [2023-12-02 20:42:33,965 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 20:42:33,969 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 55 treesize of output 47 [2023-12-02 20:42:34,019 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 20:42:36,957 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 16 proven. 413 refuted. 0 times theorem prover too weak. 0 trivial. 28 not checked. [2023-12-02 20:42:36,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677342179] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:42:36,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:42:36,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 58, 41] total 137 [2023-12-02 20:42:36,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897433996] [2023-12-02 20:42:36,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:42:36,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 138 states [2023-12-02 20:42:36,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:42:36,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2023-12-02 20:42:36,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=446, Invalid=17871, Unknown=51, NotChecked=538, Total=18906 [2023-12-02 20:42:36,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:42:36,962 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:42:36,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 138 states, 138 states have (on average 2.7246376811594204) internal successors, (376), 137 states have internal predecessors, (376), 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 20:42:36,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:42:36,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:42:36,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:42:36,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:42:36,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:42:36,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:42:36,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:42:36,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:42:36,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:42:36,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:42:36,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:42:36,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:42:36,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:42:36,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:42:36,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:42:36,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:42:36,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:42:36,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:42:36,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:42:36,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:42:36,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:42:36,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:42:36,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:42:36,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:42:36,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:42:36,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:42:36,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:42:36,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:42:36,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:42:36,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:42:36,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:42:36,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:42:36,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:42:36,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:42:36,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:42:36,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:42:36,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:42:36,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:42:36,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-12-02 20:42:36,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-12-02 20:42:36,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-12-02 20:42:36,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:43:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:43:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:43:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:04,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:43:04,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:04,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:04,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:43:04,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:43:04,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:04,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:04,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:04,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:43:04,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:43:04,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:43:04,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:43:04,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:04,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:04,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:04,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:04,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:43:04,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:43:04,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:43:04,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:43:04,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:43:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:43:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:43:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:43:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:43:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:43:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:43:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:43:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:43:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:43:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:43:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:43:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:43:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:43:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-12-02 20:43:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-12-02 20:43:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2023-12-02 20:43:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-12-02 20:43:04,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2023-12-02 20:43:04,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:43:04,698 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:43:04,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:43:04,698 INFO L85 PathProgramCache]: Analyzing trace with hash -213278782, now seen corresponding path program 12 times [2023-12-02 20:43:04,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:43:04,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005966737] [2023-12-02 20:43:04,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:43:04,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:43:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:43:06,599 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 313 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:43:06,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:43:06,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005966737] [2023-12-02 20:43:06,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005966737] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:43:06,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337638164] [2023-12-02 20:43:06,600 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-12-02 20:43:06,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:43:06,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:43:06,601 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:43:06,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2023-12-02 20:43:07,476 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2023-12-02 20:43:07,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:43:07,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-02 20:43:07,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:43:10,457 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 313 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:43:10,458 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:43:13,254 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 396 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:43:13,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337638164] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:43:13,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:43:13,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 44, 44] total 111 [2023-12-02 20:43:13,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341219801] [2023-12-02 20:43:13,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:43:13,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2023-12-02 20:43:13,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:43:13,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2023-12-02 20:43:13,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1313, Invalid=11119, Unknown=0, NotChecked=0, Total=12432 [2023-12-02 20:43:13,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:43:13,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:43:13,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 2.830357142857143) internal successors, (317), 111 states have internal predecessors, (317), 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 20:43:13,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:43:13,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:13,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:43:13,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:13,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:43:13,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:13,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:13,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:43:13,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:43:13,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:13,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:13,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:13,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:43:13,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:43:13,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:43:13,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:43:13,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:13,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:13,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:13,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:13,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:43:13,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:43:13,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:43:13,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:43:13,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:43:13,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:43:13,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:43:13,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:43:13,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:43:13,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:43:13,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:43:13,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:43:13,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:43:13,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:43:13,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:43:13,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:43:13,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:43:13,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:43:13,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-12-02 20:43:13,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-12-02 20:43:13,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2023-12-02 20:43:13,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-12-02 20:43:13,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:43:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:43:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:43:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:43:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:43:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:43:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:43:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:43:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:43:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:43:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:43:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:43:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:43:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:43:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:43:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:43:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-12-02 20:43:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-12-02 20:43:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2023-12-02 20:43:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-12-02 20:43:14,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:43:14,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2023-12-02 20:43:14,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:43:14,909 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:43:14,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:43:14,910 INFO L85 PathProgramCache]: Analyzing trace with hash -2065726080, now seen corresponding path program 13 times [2023-12-02 20:43:14,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:43:14,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943340718] [2023-12-02 20:43:14,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:43:14,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:43:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:43:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 18 proven. 554 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:43:18,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:43:18,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943340718] [2023-12-02 20:43:18,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943340718] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:43:18,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422570186] [2023-12-02 20:43:18,995 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-12-02 20:43:18,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:43:18,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:43:18,996 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:43:18,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2023-12-02 20:43:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:43:19,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 71 conjunts are in the unsatisfiable core [2023-12-02 20:43:19,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:43:22,935 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 20:43:23,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:43:23,486 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 20:43:23,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:43:23,701 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 20:43:24,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:43:24,067 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 20:43:25,116 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:43:25,116 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 27 treesize of output 15 [2023-12-02 20:43:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 313 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:43:28,010 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:43:33,279 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:43:33,279 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 1 case distinctions, treesize of input 34 treesize of output 35 [2023-12-02 20:43:33,291 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:43:33,291 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 343 treesize of output 327 [2023-12-02 20:43:33,302 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 73 treesize of output 67 [2023-12-02 20:43:33,308 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 146 treesize of output 122 [2023-12-02 20:43:33,316 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 54 [2023-12-02 20:43:41,408 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 396 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:43:41,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422570186] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:43:41,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:43:41,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 49, 49] total 141 [2023-12-02 20:43:41,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581097303] [2023-12-02 20:43:41,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:43:41,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2023-12-02 20:43:41,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:43:41,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2023-12-02 20:43:41,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=956, Invalid=19062, Unknown=4, NotChecked=0, Total=20022 [2023-12-02 20:43:41,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:43:41,413 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:43:41,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 2.943661971830986) internal successors, (418), 141 states have internal predecessors, (418), 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 20:43:41,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:43:41,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:41,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:43:41,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:41,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:43:41,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:41,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:41,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:43:41,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:43:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:43:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:43:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:43:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:43:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:43:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:43:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:43:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:43:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:43:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:43:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:43:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:43:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:43:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:43:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:43:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:43:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:43:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:43:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:43:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:43:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:43:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:43:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-12-02 20:43:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-12-02 20:43:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2023-12-02 20:43:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-12-02 20:43:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:43:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:43:43,490 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 [0] [2023-12-02 20:43:45,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:43:47,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:44:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:44:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:44:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:44:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:44:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:44:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:44:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:44:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:44:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:44:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:44:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:44:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:44:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:44:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:44:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:44:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:44:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:44:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:44:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:44:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:44:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:44:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:44:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:44:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:44:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:44:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:44:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:44:17,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:44:17,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:44:17,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:44:17,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:44:17,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-12-02 20:44:17,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-12-02 20:44:17,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-12-02 20:44:17,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-12-02 20:44:17,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:44:17,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-12-02 20:44:17,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2023-12-02 20:44:18,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:44:18,147 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:44:18,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:44:18,147 INFO L85 PathProgramCache]: Analyzing trace with hash -78642686, now seen corresponding path program 9 times [2023-12-02 20:44:18,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:44:18,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155035272] [2023-12-02 20:44:18,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:44:18,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:44:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:44:22,928 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 7 proven. 636 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:44:22,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:44:22,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155035272] [2023-12-02 20:44:22,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155035272] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:44:22,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845881221] [2023-12-02 20:44:22,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:44:22,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:44:22,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:44:22,929 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:44:22,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2023-12-02 20:44:25,768 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2023-12-02 20:44:25,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:44:25,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 151 conjunts are in the unsatisfiable core [2023-12-02 20:44:25,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:44:28,574 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 20:44:28,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:44:28,977 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 20:44:29,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:44:29,344 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 20:44:29,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:44:29,680 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 20:44:29,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:44:29,921 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 20:44:30,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:44:30,282 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 20:44:30,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:44:30,639 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 20:44:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 9 proven. 634 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:44:36,814 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:44:40,078 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2145 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_2145) c_~A~0.base) (+ c_~A~0.offset 36 (* |c_thread2Thread1of1ForFork1_~i~1#1| 4))) 4294967296)) is different from false [2023-12-02 20:44:40,085 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2145 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_2145) c_~A~0.base) (+ c_~A~0.offset 36)) 4294967296)) is different from false [2023-12-02 20:45:50,162 INFO L349 Elim1Store]: treesize reduction 139, result has 26.1 percent of original size [2023-12-02 20:45:50,162 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 20:45:50,176 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:45:50,176 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 20:45:50,186 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 20:45:50,192 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 20:45:50,199 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 20:45:54,025 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 7 proven. 636 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:45:54,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845881221] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:45:54,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:45:54,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 67, 48] total 163 [2023-12-02 20:45:54,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741887092] [2023-12-02 20:45:54,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:45:54,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2023-12-02 20:45:54,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:45:54,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2023-12-02 20:45:54,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=597, Invalid=25675, Unknown=142, NotChecked=646, Total=27060 [2023-12-02 20:45:54,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:45:54,029 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:45:54,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 164 states have (on average 2.6707317073170733) internal successors, (438), 164 states have internal predecessors, (438), 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 20:45:54,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:45:54,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:45:54,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:45:54,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:45:54,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:45:54,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:45:54,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:45:54,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:45:54,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:45:54,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:45:54,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:45:54,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:45:54,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:45:54,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:45:54,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:45:54,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:45:54,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:45:54,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:45:54,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:45:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:45:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:45:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:45:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:45:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:45:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:45:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:45:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:45:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:45:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:45:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:45:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:45:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:45:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:45:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:45:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:45:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:45:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:45:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:45:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-12-02 20:45:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-12-02 20:45:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2023-12-02 20:45:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-12-02 20:45:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:45:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-12-02 20:45:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:46:35,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:46:35,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:46:35,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:46:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:46:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:46:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:46:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:46:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:46:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:46:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:46:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:46:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:46:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:46:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:46:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:46:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:46:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:46:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:46:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:46:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:46:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:46:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:46:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:46:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:46:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:46:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:46:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:46:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:46:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:46:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:46:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:46:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:46:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:46:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:46:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:46:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:46:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:46:35,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:46:35,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-12-02 20:46:35,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-12-02 20:46:35,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-12-02 20:46:35,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-12-02 20:46:35,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:46:35,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-12-02 20:46:35,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-12-02 20:46:35,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2023-12-02 20:46:35,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:46:35,233 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 20:46:35,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:46:35,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1817243569, now seen corresponding path program 14 times [2023-12-02 20:46:35,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:46:35,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000048472] [2023-12-02 20:46:35,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:46:35,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:46:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:46:40,326 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 2 proven. 735 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:46:40,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:46:40,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000048472] [2023-12-02 20:46:40,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000048472] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:46:40,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820131922] [2023-12-02 20:46:40,327 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:46:40,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:46:40,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:46:40,328 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:46:40,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d33e384-0c3a-4bf4-b257-ef291d2048a8/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2023-12-02 20:46:40,748 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:46:40,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:46:40,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 163 conjunts are in the unsatisfiable core [2023-12-02 20:46:40,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:46:43,987 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 20:46:44,390 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 20:46:44,780 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 20:46:44,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:46:44,978 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 20:46:45,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:46:45,304 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 20:46:45,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:46:45,635 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 20:46:53,333 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 20 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:46:53,333 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:47:12,813 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:47:12,814 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 48 treesize of output 59 [2023-12-02 20:47:12,824 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:47:12,824 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 20:47:12,833 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 20:47:12,839 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 20:47:12,846 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 20:47:17,632 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 20 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:47:17,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820131922] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:47:17,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:47:17,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 72, 51] total 172 [2023-12-02 20:47:17,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314470527] [2023-12-02 20:47:17,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:47:17,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 173 states [2023-12-02 20:47:17,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:47:17,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2023-12-02 20:47:17,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=563, Invalid=29001, Unknown=192, NotChecked=0, Total=29756 [2023-12-02 20:47:17,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:47:17,637 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:47:17,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 173 states, 173 states have (on average 2.69364161849711) internal successors, (466), 172 states have internal predecessors, (466), 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 20:47:17,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:47:17,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:47:17,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:47:17,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:47:17,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:47:17,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:47:17,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:47:17,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:47:17,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:47:17,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:47:17,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:47:17,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:47:17,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:47:17,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:47:17,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:47:17,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:47:17,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:47:17,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:47:17,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-12-02 20:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-12-02 20:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2023-12-02 20:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-12-02 20:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-12-02 20:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-12-02 20:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.