./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i --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_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/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_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/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_3bc44387-cc1e-429d-a0c2-a8aa70da9870/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 566e2cbe460cf96671c9cef5a53ce51910e23c462e96f394be80b957976729c5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:38:40,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:38:40,204 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2023-12-02 20:38:40,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:38:40,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:38:40,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:38:40,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:38:40,236 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:38:40,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:38:40,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:38:40,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:38:40,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:38:40,239 INFO L153 SettingsManager]: * Use SBE=true [2023-12-02 20:38:40,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:38:40,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:38:40,241 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:38:40,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:38:40,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:38:40,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:38:40,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:38:40,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:38:40,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:38:40,244 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 20:38:40,244 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:38:40,245 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:38:40,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:38:40,245 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:38:40,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:38:40,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:38:40,246 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:38:40,247 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:38:40,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:38:40,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:38:40,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:38:40,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:38:40,248 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-02 20:38:40,248 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-12-02 20:38:40,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:38:40,249 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:38:40,249 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-12-02 20:38:40,249 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-12-02 20:38:40,249 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:38:40,249 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-12-02 20:38:40,250 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-12-02 20:38:40,250 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_3bc44387-cc1e-429d-a0c2-a8aa70da9870/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 566e2cbe460cf96671c9cef5a53ce51910e23c462e96f394be80b957976729c5 [2023-12-02 20:38:40,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:38:40,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:38:40,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:38:40,499 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:38:40,499 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:38:40,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/../../sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i [2023-12-02 20:38:43,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:38:43,453 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:38:43,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i [2023-12-02 20:38:43,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/data/80c4043d4/a7f99c4816ce4d4aa0de88ccd26e4690/FLAG1deb6a624 [2023-12-02 20:38:43,481 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/data/80c4043d4/a7f99c4816ce4d4aa0de88ccd26e4690 [2023-12-02 20:38:43,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:38:43,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:38:43,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:38:43,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:38:43,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:38:43,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:38:43" (1/1) ... [2023-12-02 20:38:43,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ce730da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:43, skipping insertion in model container [2023-12-02 20:38:43,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:38:43" (1/1) ... [2023-12-02 20:38:43,545 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:38:43,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:38:43,958 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:38:44,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:38:44,054 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:38:44,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:44 WrapperNode [2023-12-02 20:38:44,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:38:44,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:38:44,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:38:44,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:38:44,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:44" (1/1) ... [2023-12-02 20:38:44,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:44" (1/1) ... [2023-12-02 20:38:44,112 INFO L138 Inliner]: procedures = 272, calls = 50, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 319 [2023-12-02 20:38:44,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:38:44,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:38:44,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:38:44,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:38:44,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:44" (1/1) ... [2023-12-02 20:38:44,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:44" (1/1) ... [2023-12-02 20:38:44,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:44" (1/1) ... [2023-12-02 20:38:44,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:44" (1/1) ... [2023-12-02 20:38:44,141 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:44" (1/1) ... [2023-12-02 20:38:44,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:44" (1/1) ... [2023-12-02 20:38:44,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:44" (1/1) ... [2023-12-02 20:38:44,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:44" (1/1) ... [2023-12-02 20:38:44,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:38:44,159 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:38:44,159 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:38:44,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:38:44,160 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:44" (1/1) ... [2023-12-02 20:38:44,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:38:44,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:38:44,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:38:44,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:38:44,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:38:44,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:38:44,227 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 20:38:44,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:38:44,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:38:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 20:38:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:38:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-12-02 20:38:44,228 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-12-02 20:38:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:38:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:38:44,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:38:44,230 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 20:38:44,372 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:38:44,374 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:38:44,751 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:38:44,914 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:38:44,915 INFO L309 CfgBuilder]: Removed 35 assume(true) statements. [2023-12-02 20:38:44,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:38:44 BoogieIcfgContainer [2023-12-02 20:38:44,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:38:44,918 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:38:44,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:38:44,921 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:38:44,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:38:43" (1/3) ... [2023-12-02 20:38:44,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4598e29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:38:44, skipping insertion in model container [2023-12-02 20:38:44,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:44" (2/3) ... [2023-12-02 20:38:44,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4598e29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:38:44, skipping insertion in model container [2023-12-02 20:38:44,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:38:44" (3/3) ... [2023-12-02 20:38:44,924 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_72-funloop_hard_racing.i [2023-12-02 20:38:44,933 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 20:38:44,943 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:38:44,943 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-12-02 20:38:44,943 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 20:38:44,998 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-12-02 20:38:45,043 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:38:45,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:38:45,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:38:45,047 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:38:45,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-12-02 20:38:45,094 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:38:45,106 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2023-12-02 20:38:45,111 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;@7017503b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:38:45,112 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-12-02 20:38:45,358 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:38:45,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:38:45,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1518574607, now seen corresponding path program 1 times [2023-12-02 20:38:45,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:38:45,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219024324] [2023-12-02 20:38:45,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:38:45,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:38:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:38:45,551 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 20:38:45,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:38:45,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219024324] [2023-12-02 20:38:45,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219024324] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:38:45,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:38:45,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:38:45,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032891103] [2023-12-02 20:38:45,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:38:45,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:38:45,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:38:45,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:38:45,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:38:45,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:45,580 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:38:45,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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 20:38:45,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:45,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:45,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:38:45,639 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:38:45,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:38:45,640 INFO L85 PathProgramCache]: Analyzing trace with hash -869100100, now seen corresponding path program 1 times [2023-12-02 20:38:45,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:38:45,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936927372] [2023-12-02 20:38:45,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:38:45,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:38:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:38:45,758 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 20:38:45,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:38:45,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936927372] [2023-12-02 20:38:45,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936927372] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:38:45,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:38:45,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:38:45,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396502054] [2023-12-02 20:38:45,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:38:45,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:38:45,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:38:45,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:38:45,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:38:45,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:45,763 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:38:45,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 20:38:45,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:45,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:45,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:45,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:45,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 20:38:45,868 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:38:45,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:38:45,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1353893542, now seen corresponding path program 1 times [2023-12-02 20:38:45,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:38:45,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509247888] [2023-12-02 20:38:45,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:38:45,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:38:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:38:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:38:45,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:38:45,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509247888] [2023-12-02 20:38:45,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509247888] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:38:45,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587764274] [2023-12-02 20:38:45,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:38:45,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:38:45,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:38:45,987 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:38:45,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 20:38:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:38:46,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:38:46,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:38:46,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:38:46,120 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:38:46,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:38:46,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587764274] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:38:46,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:38:46,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2023-12-02 20:38:46,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007045289] [2023-12-02 20:38:46,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:38:46,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 20:38:46,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:38:46,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 20:38:46,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-02 20:38:46,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:46,155 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:38:46,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 9 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 20:38:46,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:46,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:46,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:46,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:46,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:46,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:46,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 20:38:46,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:38:46,459 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:38:46,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:38:46,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1360730938, now seen corresponding path program 2 times [2023-12-02 20:38:46,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:38:46,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137375314] [2023-12-02 20:38:46,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:38:46,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:38:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:38:46,630 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:38:46,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:38:46,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137375314] [2023-12-02 20:38:46,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137375314] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:38:46,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882776266] [2023-12-02 20:38:46,631 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:38:46,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:38:46,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:38:46,642 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:38:46,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 20:38:46,744 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:38:46,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:38:46,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 20:38:46,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:38:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:38:46,770 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:38:46,862 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:38:46,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882776266] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:38:46,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:38:46,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2023-12-02 20:38:46,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820823816] [2023-12-02 20:38:46,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:38:46,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-02 20:38:46,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:38:46,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-02 20:38:46,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2023-12-02 20:38:46,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:46,867 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:38:46,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 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 20:38:46,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:46,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:46,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:46,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:47,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:47,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:47,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:47,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:38:47,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 20:38:47,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-12-02 20:38:47,239 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:38:47,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:38:47,240 INFO L85 PathProgramCache]: Analyzing trace with hash 2052728570, now seen corresponding path program 3 times [2023-12-02 20:38:47,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:38:47,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195282541] [2023-12-02 20:38:47,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:38:47,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:38:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:38:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:38:47,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:38:47,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195282541] [2023-12-02 20:38:47,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195282541] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:38:47,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146784005] [2023-12-02 20:38:47,593 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:38:47,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:38:47,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:38:47,597 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:38:47,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 20:38:47,707 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 20:38:47,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:38:47,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 20:38:47,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:38:47,739 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 7 treesize of output 6 [2023-12-02 20:38:47,915 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:38:47,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:38:47,944 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 15 treesize of output 10 [2023-12-02 20:38:48,037 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 15 treesize of output 10 [2023-12-02 20:38:48,090 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 14 treesize of output 10 [2023-12-02 20:38:48,113 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-12-02 20:38:48,113 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:38:48,191 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_133 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_133) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 2147483650))) is different from false [2023-12-02 20:38:48,529 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 70 trivial. 1 not checked. [2023-12-02 20:38:48,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146784005] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:38:48,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:38:48,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5, 5] total 26 [2023-12-02 20:38:48,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953943667] [2023-12-02 20:38:48,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:38:48,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 20:38:48,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:38:48,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 20:38:48,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=546, Unknown=2, NotChecked=48, Total=702 [2023-12-02 20:38:48,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:48,534 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:38:48,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.074074074074074) internal successors, (83), 26 states have internal predecessors, (83), 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 20:38:48,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:48,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:48,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:48,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:38:48,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:49,178 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_133 (Array Int Int))) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_133) |c_~#cache~0.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)))) (forall ((|v_ULTIMATE.start_main_~#t_ids~0#1.base_46| Int)) (or (forall ((|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_133 (Array Int Int))) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_~#t_ids~0#1.base_46| v_ArrVal_133) |c_~#cache~0.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)))) (not (= (select |c_#valid| |v_ULTIMATE.start_main_~#t_ids~0#1.base_46|) 0)))) (forall ((|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int)) (< 0 (+ 2147483650 (select (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))))) is different from false [2023-12-02 20:38:49,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:49,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:49,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:49,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:38:49,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:38:49,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-02 20:38:49,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:38:49,381 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:38:49,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:38:49,381 INFO L85 PathProgramCache]: Analyzing trace with hash 999934573, now seen corresponding path program 1 times [2023-12-02 20:38:49,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:38:49,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365536914] [2023-12-02 20:38:49,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:38:49,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:38:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:38:49,736 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:38:49,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:38:49,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365536914] [2023-12-02 20:38:49,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365536914] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:38:49,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169127851] [2023-12-02 20:38:49,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:38:49,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:38:49,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:38:49,739 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:38:49,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 20:38:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:38:49,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 20:38:49,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:38:49,910 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:38:49,910 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:38:50,100 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:38:50,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169127851] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:38:50,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:38:50,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 20 [2023-12-02 20:38:50,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601871801] [2023-12-02 20:38:50,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:38:50,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 20:38:50,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:38:50,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 20:38:50,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2023-12-02 20:38:50,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:50,104 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:38:50,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.2857142857142856) internal successors, (48), 20 states have internal predecessors, (48), 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 20:38:50,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:50,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:50,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:50,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:38:50,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:38:50,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:50,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:50,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:50,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:50,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:38:50,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:38:50,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:38:50,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 20:38:50,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:38:50,529 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:38:50,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:38:50,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1488913485, now seen corresponding path program 2 times [2023-12-02 20:38:50,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:38:50,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593573117] [2023-12-02 20:38:50,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:38:50,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:38:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:38:50,908 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:38:50,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:38:50,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593573117] [2023-12-02 20:38:50,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593573117] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:38:50,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920854307] [2023-12-02 20:38:50,911 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:38:50,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:38:50,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:38:50,913 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:38:50,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 20:38:51,043 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:38:51,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:38:51,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 20:38:51,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:38:51,053 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 7 treesize of output 6 [2023-12-02 20:38:51,227 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:38:51,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:38:51,234 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 15 treesize of output 10 [2023-12-02 20:38:51,309 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 15 treesize of output 10 [2023-12-02 20:38:51,341 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 14 treesize of output 10 [2023-12-02 20:38:51,354 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:38:51,354 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:38:51,399 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_252 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_252) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 2147483647)) is different from false [2023-12-02 20:38:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 1 not checked. [2023-12-02 20:38:51,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920854307] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:38:51,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:38:51,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2023-12-02 20:38:51,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479858071] [2023-12-02 20:38:51,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:38:51,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 20:38:51,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:38:51,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 20:38:51,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=144, Unknown=3, NotChecked=24, Total=210 [2023-12-02 20:38:51,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:51,711 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:38:51,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 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 20:38:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:51,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:51,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:38:51,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:38:51,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:38:51,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:52,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:52,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:52,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:52,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:38:52,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:38:52,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:38:52,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:52,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 20:38:52,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:38:52,220 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:38:52,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:38:52,220 INFO L85 PathProgramCache]: Analyzing trace with hash 49805343, now seen corresponding path program 1 times [2023-12-02 20:38:52,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:38:52,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3909120] [2023-12-02 20:38:52,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:38:52,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:38:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:38:52,702 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:38:52,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:38:52,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3909120] [2023-12-02 20:38:52,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3909120] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:38:52,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507302770] [2023-12-02 20:38:52,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:38:52,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:38:52,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:38:52,704 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:38:52,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 20:38:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:38:52,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 20:38:52,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:38:52,838 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 7 treesize of output 6 [2023-12-02 20:38:53,006 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:38:53,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:38:53,017 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 15 treesize of output 10 [2023-12-02 20:38:53,079 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 15 treesize of output 10 [2023-12-02 20:38:53,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 28 [2023-12-02 20:38:53,201 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 33 treesize of output 25 [2023-12-02 20:38:53,214 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:38:53,214 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:38:53,606 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:38:53,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507302770] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:38:53,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:38:53,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 18 [2023-12-02 20:38:53,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679981424] [2023-12-02 20:38:53,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:38:53,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 20:38:53,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:38:53,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 20:38:53,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=308, Unknown=7, NotChecked=0, Total=380 [2023-12-02 20:38:53,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:53,610 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:38:53,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.9473684210526314) internal successors, (75), 19 states have internal predecessors, (75), 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 20:38:53,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:53,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:53,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:53,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:38:53,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:38:53,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:38:53,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:53,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:38:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:38:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:38:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:54,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:38:54,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 20:38:54,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:38:54,292 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:38:54,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:38:54,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1543966641, now seen corresponding path program 1 times [2023-12-02 20:38:54,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:38:54,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115352578] [2023-12-02 20:38:54,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:38:54,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:38:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:38:54,417 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-02 20:38:54,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:38:54,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115352578] [2023-12-02 20:38:54,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115352578] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:38:54,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:38:54,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:38:54,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635062845] [2023-12-02 20:38:54,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:38:54,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:38:54,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:38:54,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:38:54,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:38:54,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:54,420 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:38:54,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 20:38:54,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:54,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:54,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:54,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:38:54,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:38:54,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:38:54,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:54,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:38:54,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:54,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:54,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:54,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:54,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:38:54,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:38:54,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:38:54,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:54,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:38:54,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:54,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 20:38:54,663 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:38:54,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:38:54,664 INFO L85 PathProgramCache]: Analyzing trace with hash -604480549, now seen corresponding path program 1 times [2023-12-02 20:38:54,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:38:54,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490986888] [2023-12-02 20:38:54,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:38:54,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:38:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:38:54,750 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:38:54,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:38:54,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490986888] [2023-12-02 20:38:54,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490986888] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:38:54,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:38:54,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:38:54,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55135544] [2023-12-02 20:38:54,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:38:54,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:38:54,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:38:54,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:38:54,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:38:54,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:54,753 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:38:54,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 20:38:54,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:54,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:54,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:54,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:38:54,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-12-02 20:38:54,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:38:54,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:54,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:38:54,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:54,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:38:54,882 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_329 (Array Int Int)) (|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_329) |c_~#cache~0.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)))) (forall ((v_ArrVal_329 (Array Int Int)) (|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_329) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))))) is different from false [2023-12-02 20:38:55,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:38:55,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:55,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:38:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:38:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:38:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:38:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:38:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:38:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:38:55,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 20:38:55,066 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:38:55,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:38:55,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1255268662, now seen corresponding path program 1 times [2023-12-02 20:38:55,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:38:55,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278742543] [2023-12-02 20:38:55,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:38:55,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:38:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:38:57,600 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:38:57,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:38:57,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278742543] [2023-12-02 20:38:57,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278742543] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:38:57,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406320593] [2023-12-02 20:38:57,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:38:57,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:38:57,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:38:57,603 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:38:57,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 20:38:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:38:57,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 20:38:57,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:38:57,776 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 7 treesize of output 6 [2023-12-02 20:38:57,988 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:38:57,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:38:58,033 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 15 treesize of output 10 [2023-12-02 20:38:58,148 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 15 treesize of output 10 [2023-12-02 20:38:58,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2023-12-02 20:38:58,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2023-12-02 20:39:04,580 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 21 treesize of output 15 [2023-12-02 20:39:04,653 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:39:04,654 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:39:05,397 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_511 Int) (v_ArrVal_508 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_36| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_34| Int)) (or (< (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_508) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_36| v_ArrVal_511) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_34|) 2147483647) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_34| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_36| 28)))) is different from false [2023-12-02 20:39:05,925 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 3 not checked. [2023-12-02 20:39:05,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406320593] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:39:05,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:39:05,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 9] total 33 [2023-12-02 20:39:05,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397493037] [2023-12-02 20:39:05,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:39:05,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-12-02 20:39:05,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:39:05,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-12-02 20:39:05,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=966, Unknown=8, NotChecked=64, Total=1190 [2023-12-02 20:39:05,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:39:05,930 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:39:05,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 4.323529411764706) internal successors, (147), 34 states have internal predecessors, (147), 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 20:39:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:05,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:05,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:39:05,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:39:05,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:39:05,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:39:05,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:39:05,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:05,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:05,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:39:08,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:08,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:39:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:39:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:39:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:39:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:39:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:39:08,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-02 20:39:08,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:39:08,914 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:39:08,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:39:08,914 INFO L85 PathProgramCache]: Analyzing trace with hash -334172206, now seen corresponding path program 1 times [2023-12-02 20:39:08,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:39:08,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534687259] [2023-12-02 20:39:08,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:39:08,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:39:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:39:09,029 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 2 proven. 25 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:39:09,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:39:09,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534687259] [2023-12-02 20:39:09,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534687259] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:39:09,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945811734] [2023-12-02 20:39:09,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:39:09,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:39:09,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:39:09,031 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:39:09,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 20:39:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:39:09,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:39:09,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:39:09,279 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:39:09,279 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:39:09,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945811734] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:39:09,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:39:09,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-12-02 20:39:09,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430807291] [2023-12-02 20:39:09,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:39:09,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:39:09,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:39:09,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:39:09,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-02 20:39:09,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:39:09,282 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:39:09,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 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 20:39:09,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:09,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:09,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:09,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:39:09,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:39:09,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:39:09,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:39:09,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:39:09,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:09,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:09,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:39:09,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:39:09,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:09,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:09,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:09,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:39:09,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:39:09,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:39:09,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:39:09,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:39:09,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:09,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:09,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:39:09,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:09,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 20:39:09,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:39:09,657 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:39:09,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:39:09,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1769402804, now seen corresponding path program 1 times [2023-12-02 20:39:09,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:39:09,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710876015] [2023-12-02 20:39:09,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:39:09,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:39:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:39:09,761 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-12-02 20:39:09,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:39:09,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710876015] [2023-12-02 20:39:09,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710876015] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:39:09,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:39:09,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:39:09,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478781576] [2023-12-02 20:39:09,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:39:09,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:39:09,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:39:09,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:39:09,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:39:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:39:09,764 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:39:09,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 20:39:09,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:09,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:09,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:09,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:39:09,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:39:09,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:39:09,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:39:09,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:39:09,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:09,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:09,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:39:09,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:09,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:39:10,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:39:10,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:10,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:10,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:39:10,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:39:10,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:39:10,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:39:10,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:39:10,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:10,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:10,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:39:10,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:39:10,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:39:10,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 20:39:10,226 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:39:10,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:39:10,227 INFO L85 PathProgramCache]: Analyzing trace with hash -727606099, now seen corresponding path program 1 times [2023-12-02 20:39:10,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:39:10,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908341928] [2023-12-02 20:39:10,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:39:10,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:39:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:39:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:39:18,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:39:18,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908341928] [2023-12-02 20:39:18,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908341928] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:39:18,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075999988] [2023-12-02 20:39:18,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:39:18,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:39:18,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:39:18,983 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:39:18,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 20:39:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:39:19,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 20:39:19,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:39:19,132 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 7 treesize of output 6 [2023-12-02 20:39:19,322 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:39:19,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:39:19,370 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 15 treesize of output 10 [2023-12-02 20:39:19,477 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 15 treesize of output 10 [2023-12-02 20:39:19,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2023-12-02 20:39:19,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2023-12-02 20:39:29,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2023-12-02 20:39:34,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 57 [2023-12-02 20:40:10,049 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 59 treesize of output 47 [2023-12-02 20:40:10,242 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:40:10,242 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:40:12,100 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_41| Int) (v_ArrVal_818 (Array Int Int)) (v_ArrVal_821 Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_41| (+ 56 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) (< 0 (+ 2147483650 (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_818))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_821))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_41|))))) is different from false [2023-12-02 20:40:12,131 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_41| Int) (v_ArrVal_818 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45| Int) (v_ArrVal_821 Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_41| (+ 56 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45|)) (< 0 (+ 2147483650 (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_818) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45| v_ArrVal_821) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_41|))))) is different from false [2023-12-02 20:40:12,750 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 24 proven. 14 refuted. 0 times theorem prover too weak. 145 trivial. 8 not checked. [2023-12-02 20:40:12,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075999988] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:40:12,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:40:12,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15, 12] total 46 [2023-12-02 20:40:12,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987873197] [2023-12-02 20:40:12,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:40:12,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-12-02 20:40:12,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:40:12,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-12-02 20:40:12,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=1779, Unknown=28, NotChecked=178, Total=2256 [2023-12-02 20:40:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:40:12,755 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:40:12,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.723404255319149) internal successors, (222), 47 states have internal predecessors, (222), 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 20:40:12,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:40:12,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:40:12,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:40:12,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:40:12,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:40:12,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:40:12,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:40:12,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:40:12,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:40:12,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:40:12,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:40:12,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:40:12,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:40:12,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:40:26,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:40:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:40:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:40:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:40:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:40:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:40:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:40:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:40:27,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:40:27,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:40:27,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:40:27,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:40:27,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:40:27,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:40:27,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:40:27,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 20:40:28,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-12-02 20:40:28,094 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:40:28,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:40:28,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1191265487, now seen corresponding path program 1 times [2023-12-02 20:40:28,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:40:28,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638673950] [2023-12-02 20:40:28,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:40:28,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:40:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:40:37,390 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:40:37,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:40:37,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638673950] [2023-12-02 20:40:37,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638673950] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:40:37,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068863459] [2023-12-02 20:40:37,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:40:37,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:40:37,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:40:37,392 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:40:37,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 20:40:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:40:37,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-02 20:40:37,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:40:37,558 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 7 treesize of output 6 [2023-12-02 20:40:37,768 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:40:37,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:40:37,827 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 15 treesize of output 10 [2023-12-02 20:40:37,980 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 15 treesize of output 10 [2023-12-02 20:40:38,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2023-12-02 20:40:38,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2023-12-02 20:40:50,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2023-12-02 20:40:57,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 57 [2023-12-02 20:41:33,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 65 [2023-12-02 20:41:33,562 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 167 treesize of output 131 [2023-12-02 20:41:33,834 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 1 proven. 59 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:41:33,834 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:41:36,044 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50| Int) (v_ArrVal_971 Int) (v_ArrVal_967 (Array Int Int))) (or (< 0 (+ 2147483649 (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_967))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_971))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50|))) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50| (+ 56 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)))) is different from false [2023-12-02 20:41:36,074 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50| Int) (v_ArrVal_971 Int) (v_ArrVal_967 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| Int)) (or (< 0 (+ 2147483649 (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_967) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| v_ArrVal_971) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50|))) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50| (+ 56 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54|)))) is different from false [2023-12-02 20:41:36,614 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 24 proven. 28 refuted. 0 times theorem prover too weak. 145 trivial. 8 not checked. [2023-12-02 20:41:36,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068863459] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:41:36,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:41:36,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17, 14] total 51 [2023-12-02 20:41:36,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891336544] [2023-12-02 20:41:36,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:41:36,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-12-02 20:41:36,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:41:36,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-12-02 20:41:36,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=2231, Unknown=28, NotChecked=198, Total=2756 [2023-12-02 20:41:36,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:41:36,618 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:41:36,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 4.653846153846154) internal successors, (242), 52 states have internal predecessors, (242), 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 20:41:36,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:41:36,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:41:36,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:41:36,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:41:36,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:41:36,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:41:36,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:41:36,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:41:36,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:41:36,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:41:36,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:41:36,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:41:36,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:41:36,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:41:36,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:41:55,654 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 20:42:01,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:42:03,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:42:05,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:42:07,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:42:09,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:42:16,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:42:18,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:42:20,680 WARN L539 Checker$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 20:42:32,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:42:34,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:42:39,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:42:57,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:42:59,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:43:06,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:43:08,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:43:35,050 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_main_~#t_ids~0#1.base_48| Int)) (or (forall ((|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_252 (Array Int Int))) (< (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_~#t_ids~0#1.base_48| v_ArrVal_252) |c_~#cache~0.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 2147483647)) (not (= (select |c_#valid| |v_ULTIMATE.start_main_~#t_ids~0#1.base_48|) 0)))) (forall ((|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_252 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_252) |c_~#cache~0.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 2147483647))) is different from false [2023-12-02 20:43:36,247 WARN L854 $PredicateComparison]: unable to prove that (and (<= 0 (+ 2147483647 |c_t_funThread1of1ForFork0_cache_entry_addref_#t~post39#1|)) (forall ((|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int)) (< 0 (+ 2147483649 (select (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)))) (forall ((v_ArrVal_329 (Array Int Int)) (|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_329) |c_~#cache~0.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)))) (forall ((|v_ULTIMATE.start_main_~#t_ids~0#1.base_49| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_~#t_ids~0#1.base_49|) 0)) (forall ((v_ArrVal_329 (Array Int Int)) (|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_~#t_ids~0#1.base_49| v_ArrVal_329) |c_~#cache~0.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))))))) is different from false [2023-12-02 20:43:36,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:36,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:36,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:36,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:43:36,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:43:36,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:43:36,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:43:36,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:43:36,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:43:36,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:36,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:43:36,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:36,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:43:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-12-02 20:43:36,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-12-02 20:43:36,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-02 20:43:36,454 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:43:36,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:43:36,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1970765323, now seen corresponding path program 2 times [2023-12-02 20:43:36,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:43:36,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729153565] [2023-12-02 20:43:36,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:43:36,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:43:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:43:36,831 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:43:36,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:43:36,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729153565] [2023-12-02 20:43:36,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729153565] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:43:36,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585484441] [2023-12-02 20:43:36,832 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:43:36,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:43:36,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:43:36,833 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:43:36,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-02 20:43:36,950 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:43:36,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:43:36,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 20:43:36,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:43:36,963 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 7 treesize of output 6 [2023-12-02 20:43:37,222 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:43:37,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:43:37,233 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 15 treesize of output 10 [2023-12-02 20:43:37,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 28 [2023-12-02 20:43:37,480 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 34 treesize of output 25 [2023-12-02 20:43:37,568 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 33 treesize of output 25 [2023-12-02 20:43:37,590 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:43:37,590 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:43:37,661 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1056 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1056) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 2147483648))) is different from false [2023-12-02 20:43:37,676 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1054 Int) (v_ArrVal_1056 (Array Int Int))) (or (< 0 (+ 2147483648 (select (select (store (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1054)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1056) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))) (< v_ArrVal_1054 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| 1)))) is different from false [2023-12-02 20:43:37,702 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1054 Int) (|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_1056 (Array Int Int))) (let ((.cse0 (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|))) (or (< 0 (+ 2147483648 (select (select (store (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store .cse0 |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1054)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1056) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))) (< v_ArrVal_1054 (+ (select .cse0 |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 1))))) is different from false [2023-12-02 20:43:37,772 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1054 Int) (|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_1056 (Array Int Int))) (let ((.cse0 (select |c_#memory_int| |c_~#cache~0.base|))) (or (< 0 (+ (select (select (store (store |c_#memory_int| |c_~#cache~0.base| (store .cse0 |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1054)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1056) |c_~#cache~0.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 2147483648)) (< v_ArrVal_1054 (+ (select .cse0 |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 1))))) is different from false [2023-12-02 20:43:37,835 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1054 Int) (|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_1056 (Array Int Int)) (v_ArrVal_1053 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1053) |c_~#cache~0.base|))) (or (< v_ArrVal_1054 (+ (select .cse0 |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 1)) (< 0 (+ (select (select (store (store |c_#memory_int| |c_~#cache~0.base| (store .cse0 |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1054)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1056) |c_~#cache~0.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 2147483648))))) is different from false [2023-12-02 20:43:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 2 not checked. [2023-12-02 20:43:38,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585484441] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:43:38,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:43:38,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 19 [2023-12-02 20:43:38,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110641372] [2023-12-02 20:43:38,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:43:38,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 20:43:38,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:43:38,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 20:43:38,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=197, Unknown=5, NotChecked=160, Total=420 [2023-12-02 20:43:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:43:38,382 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:43:38,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.75) internal successors, (75), 20 states have internal predecessors, (75), 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 20:43:38,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:38,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:38,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:38,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:43:38,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:43:38,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:43:38,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:43:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:43:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:43:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:43:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:43:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-12-02 20:43:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:43:39,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:39,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:39,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:39,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:43:39,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:43:39,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:43:39,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:43:39,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:43:39,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:43:39,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:39,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:43:39,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:39,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:39,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:43:39,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 20:43:39,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:43:39,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-12-02 20:43:39,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-02 20:43:39,649 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:43:39,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:43:39,649 INFO L85 PathProgramCache]: Analyzing trace with hash 964183877, now seen corresponding path program 2 times [2023-12-02 20:43:39,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:43:39,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801649267] [2023-12-02 20:43:39,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:43:39,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:43:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:43:40,043 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:43:40,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:43:40,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801649267] [2023-12-02 20:43:40,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801649267] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:43:40,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27438729] [2023-12-02 20:43:40,044 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:43:40,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:43:40,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:43:40,045 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:43:40,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-02 20:43:40,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:43:40,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:43:40,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 20:43:40,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:43:40,462 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:43:40,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:43:40,626 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 20:43:40,679 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 20:43:40,757 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 15 treesize of output 7 [2023-12-02 20:43:40,792 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:43:40,792 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:43:40,938 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:43:40,938 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 18 treesize of output 19 [2023-12-02 20:43:40,943 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 29 treesize of output 21 [2023-12-02 20:43:41,187 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:43:41,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27438729] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:43:41,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:43:41,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 19 [2023-12-02 20:43:41,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84298456] [2023-12-02 20:43:41,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:43:41,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 20:43:41,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:43:41,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 20:43:41,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=340, Unknown=8, NotChecked=0, Total=420 [2023-12-02 20:43:41,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:43:41,190 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:43:41,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 4.5) internal successors, (90), 20 states have internal predecessors, (90), 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 20:43:41,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:41,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:41,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:41,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:43:41,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:43:41,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:43:41,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:43:41,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:43:41,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:43:41,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:41,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:43:41,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:41,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:41,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:43:41,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-12-02 20:43:41,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:43:41,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:43:43,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:43,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:43,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:43,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:43:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:43:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:43:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:43:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:43:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:43:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:43:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-12-02 20:43:43,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:43:43,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:43:43,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:43:43,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-12-02 20:43:43,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-12-02 20:43:43,591 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:43:43,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:43:43,592 INFO L85 PathProgramCache]: Analyzing trace with hash -701466316, now seen corresponding path program 2 times [2023-12-02 20:43:43,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:43:43,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235036851] [2023-12-02 20:43:43,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:43:43,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:43:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:43:46,655 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:43:46,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:43:46,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235036851] [2023-12-02 20:43:46,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235036851] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:43:46,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881074215] [2023-12-02 20:43:46,656 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:43:46,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:43:46,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:43:46,657 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:43:46,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-02 20:43:46,802 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:43:46,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:43:46,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 20:43:46,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:43:46,814 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-02 20:43:47,171 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:43:47,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:43:47,235 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 15 treesize of output 10 [2023-12-02 20:43:47,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2023-12-02 20:43:47,597 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 15 [2023-12-02 20:43:47,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2023-12-02 20:43:54,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 33 [2023-12-02 20:43:54,597 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 47 treesize of output 35 [2023-12-02 20:43:54,717 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:43:54,718 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:43:55,918 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_61| Int) (v_ArrVal_1243 Int) (v_ArrVal_1244 (Array Int Int)) (v_ArrVal_1246 Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_61| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (< 0 (+ 2147483649 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1244) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select (store (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1243)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1244) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1246)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_61|))))) is different from false [2023-12-02 20:43:56,019 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_61| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_63| Int) (v_ArrVal_1243 Int) (v_ArrVal_1244 (Array Int Int)) (v_ArrVal_1246 Int)) (or (< 0 (+ 2147483649 (select (store (select (store (store |c_#memory_int| |c_~#cache~0.base| (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_63| v_ArrVal_1243)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1244) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_63| v_ArrVal_1246) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_61|))) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_61| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_63| 28)))) is different from false [2023-12-02 20:43:56,086 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_61| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_63| Int) (v_ArrVal_1243 Int) (v_ArrVal_1244 (Array Int Int)) (v_ArrVal_1246 Int) (v_ArrVal_1241 (Array Int Int))) (or (< 0 (+ 2147483649 (select (store (select (store (store |c_#memory_int| |c_~#cache~0.base| (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1241) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_63| v_ArrVal_1243)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1244) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_63| v_ArrVal_1246) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_61|))) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_61| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_63| 28)))) is different from false [2023-12-02 20:43:56,706 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 12 not checked. [2023-12-02 20:43:56,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881074215] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:43:56,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:43:56,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 13] total 40 [2023-12-02 20:43:56,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251106372] [2023-12-02 20:43:56,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:43:56,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2023-12-02 20:43:56,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:43:56,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2023-12-02 20:43:56,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1305, Unknown=12, NotChecked=228, Total=1722 [2023-12-02 20:43:56,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:43:56,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:43:56,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 4.0) internal successors, (164), 41 states have internal predecessors, (164), 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 20:43:56,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:43:56,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:56,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:56,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:43:56,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:43:56,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:43:56,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:43:56,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:43:56,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:43:56,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:56,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:43:56,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:43:56,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:43:56,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-12-02 20:43:56,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-12-02 20:43:56,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:43:56,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:43:56,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:44:18,810 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, 1] [2023-12-02 20:44:21,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:44:23,943 WARN L539 Checker$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 20:44:24,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:24,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:44:24,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:44:24,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:44:24,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:44:24,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:44:24,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:44:24,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:44:24,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:44:24,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:44:24,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:44:24,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:44:24,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:44:24,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:44:24,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:44:24,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:44:24,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:44:24,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-12-02 20:44:24,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-12-02 20:44:24,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-02 20:44:24,983 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:44:24,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:44:24,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1267598657, now seen corresponding path program 2 times [2023-12-02 20:44:24,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:44:24,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822228058] [2023-12-02 20:44:24,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:44:24,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:44:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:44:37,949 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:44:37,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:44:37,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822228058] [2023-12-02 20:44:37,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822228058] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:44:37,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90307955] [2023-12-02 20:44:37,950 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:44:37,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:44:37,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:44:37,951 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:44:37,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-02 20:44:38,104 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:44:38,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:44:38,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 20:44:38,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:44:38,118 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 7 treesize of output 6 [2023-12-02 20:44:38,471 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:44:38,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:44:38,565 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 15 treesize of output 10 [2023-12-02 20:44:38,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2023-12-02 20:44:39,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2023-12-02 20:44:46,049 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 15 [2023-12-02 20:44:48,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2023-12-02 20:44:52,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 57 [2023-12-02 20:45:24,302 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 63 treesize of output 51 [2023-12-02 20:45:24,582 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:45:24,582 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:45:27,065 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| Int) (v_ArrVal_1384 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| Int) (|v_t_funThread1of1ForFork0_~i~0#1_44| Int) (v_ArrVal_1381 (Array Int Int))) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_44| 28))) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| (+ .cse0 28 |c_~#cache~0.offset|)) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70|) (< |v_t_funThread1of1ForFork0_~i~0#1_44| (+ |c_t_funThread1of1ForFork0_~i~0#1| 1)) (< 0 (+ 2147483650 (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1381) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| v_ArrVal_1384) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68|)))))) is different from false [2023-12-02 20:45:28,116 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_72| Int) (v_ArrVal_1380 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| Int) (v_ArrVal_1384 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| Int) (v_ArrVal_1381 (Array Int Int))) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| 28)) (< 0 (+ 2147483650 (select (store (select (store (store |c_#memory_int| |c_~#cache~0.base| (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_72| v_ArrVal_1380)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1381) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| v_ArrVal_1384) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68|))) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| (+ 56 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_72|)))) is different from false [2023-12-02 20:45:28,205 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_72| Int) (v_ArrVal_1380 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| Int) (v_ArrVal_1384 Int) (v_ArrVal_1376 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| Int) (v_ArrVal_1381 (Array Int Int))) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| 28)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| (+ 56 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_72|)) (< 0 (+ 2147483650 (select (store (select (store (store |c_#memory_int| |c_~#cache~0.base| (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1376) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_72| v_ArrVal_1380)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1381) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| v_ArrVal_1384) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68|))))) is different from false [2023-12-02 20:45:29,108 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 28 refuted. 7 times theorem prover too weak. 145 trivial. 11 not checked. [2023-12-02 20:45:29,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90307955] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:45:29,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:45:29,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15, 14] total 48 [2023-12-02 20:45:29,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384829142] [2023-12-02 20:45:29,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:45:29,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-12-02 20:45:29,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:45:29,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-12-02 20:45:29,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=1900, Unknown=37, NotChecked=276, Total=2450 [2023-12-02 20:45:29,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:45:29,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:45:29,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 4.530612244897959) internal successors, (222), 49 states have internal predecessors, (222), 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 20:45:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:45:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:45:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:45:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:45:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:45:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:45:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:45:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:45:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:45:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:45:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:45:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:45:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:45:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:45:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:45:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:45:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:45:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-12-02 20:45:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:45:47,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:45:51,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:45:53,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:45:55,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:45:57,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:45:59,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:46:03,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:46:05,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:46:13,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:46:23,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:46:25,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:46:37,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:46:52,780 WARN L539 Checker$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 20:47:09,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:47:09,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:47:09,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:47:09,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:47:09,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:47:09,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:47:09,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:47:09,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:47:09,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:47:09,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:47:09,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:47:09,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:47:09,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:47:09,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:47:09,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:47:09,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:47:09,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:47:09,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:47:09,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-12-02 20:47:09,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-12-02 20:47:09,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:47:09,445 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:47:09,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:47:09,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1761297437, now seen corresponding path program 3 times [2023-12-02 20:47:09,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:47:09,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263799633] [2023-12-02 20:47:09,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:47:09,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:47:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:47:20,830 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:47:20,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:47:20,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263799633] [2023-12-02 20:47:20,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263799633] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:47:20,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269081557] [2023-12-02 20:47:20,830 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:47:20,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:47:20,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:47:20,832 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:47:20,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-02 20:47:21,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-12-02 20:47:21,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:47:21,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-02 20:47:21,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:47:21,070 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 7 treesize of output 6 [2023-12-02 20:47:21,533 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:47:21,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:47:21,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:47:22,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2023-12-02 20:47:22,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2023-12-02 20:47:23,252 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 15 [2023-12-02 20:47:23,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2023-12-02 20:47:23,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2023-12-02 20:47:25,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 67 [2023-12-02 20:47:25,865 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 120 treesize of output 94 [2023-12-02 20:47:26,200 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:47:26,200 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:47:27,829 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_75| Int) (v_ArrVal_1530 (Array Int Int)) (v_ArrVal_1533 Int)) (or (< 0 (+ 2147483649 (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1530))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1533))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_75|))) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_75| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)))) is different from false [2023-12-02 20:47:30,163 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1528 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_77| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_75| Int) (v_ArrVal_1530 (Array Int Int)) (|v_t_funThread1of1ForFork0_~i~0#1_48| Int) (v_ArrVal_1533 Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_48| 28))) (or (< 0 (+ 2147483649 (select (store (select (store (store |c_#memory_int| |c_~#cache~0.base| (store (select |c_#memory_int| |c_~#cache~0.base|) |c_~#cache~0.offset| v_ArrVal_1528)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1530) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_77| v_ArrVal_1533) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_75|))) (< |v_t_funThread1of1ForFork0_~i~0#1_48| 1) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_75| (+ .cse0 28 |c_~#cache~0.offset|)) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_77|)))) is different from false [2023-12-02 20:47:30,220 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1528 Int) (v_ArrVal_1525 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_77| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_75| Int) (v_ArrVal_1530 (Array Int Int)) (|v_t_funThread1of1ForFork0_~i~0#1_48| Int) (v_ArrVal_1533 Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_48| 28))) (or (< 0 (+ 2147483649 (select (store (select (store (store |c_#memory_int| |c_~#cache~0.base| (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1525) |c_~#cache~0.base|) |c_~#cache~0.offset| v_ArrVal_1528)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1530) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_77| v_ArrVal_1533) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_75|))) (< |v_t_funThread1of1ForFork0_~i~0#1_48| 1) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_75| (+ .cse0 28 |c_~#cache~0.offset|)) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_77|)))) is different from false [2023-12-02 20:47:31,457 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 43 refuted. 1 times theorem prover too weak. 145 trivial. 16 not checked. [2023-12-02 20:47:31,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269081557] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:47:31,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:47:31,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18, 17] total 55 [2023-12-02 20:47:31,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792606728] [2023-12-02 20:47:31,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:47:31,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2023-12-02 20:47:31,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:47:31,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2023-12-02 20:47:31,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=2542, Unknown=19, NotChecked=318, Total=3192 [2023-12-02 20:47:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:47:31,461 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:47:31,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 56 states have (on average 4.321428571428571) internal successors, (242), 56 states have internal predecessors, (242), 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 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-12-02 20:47:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:47:54,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:47:56,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:48:25,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:48:42,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:48:50,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:48:53,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:49:04,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:49:07,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:49:46,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:50:05,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:50:07,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:50:09,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:50:11,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:50:13,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:50:15,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:50:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:50:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:50:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 20:50:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:50:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:50:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:50:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:50:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:50:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:50:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:50:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 20:50:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:50:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:50:19,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-02 20:50:19,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-12-02 20:50:19,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-12-02 20:50:19,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-12-02 20:50:20,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc44387-cc1e-429d-a0c2-a8aa70da9870/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:50:20,118 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 20:50:20,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:20,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1891368029, now seen corresponding path program 2 times [2023-12-02 20:50:20,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:50:20,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269395272] [2023-12-02 20:50:20,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:20,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:50:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat