./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_74-tricky_address1_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/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_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_74-tricky_address1_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/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_1a510d6c-dc86-4114-a530-5b6445147021/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 9a7db49c8892594e32a30fa9165fc3ad1a94911917cd8b63757bb8f24f04b536 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:14:08,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:14:08,928 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2023-12-02 20:14:08,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:14:08,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:14:08,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:14:08,956 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:14:08,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:14:08,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:14:08,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:14:08,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:14:08,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:14:08,960 INFO L153 SettingsManager]: * Use SBE=true [2023-12-02 20:14:08,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:14:08,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:14:08,961 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:14:08,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:14:08,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:14:08,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:14:08,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:14:08,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:14:08,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:14:08,964 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 20:14:08,965 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:14:08,965 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:14:08,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:14:08,966 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:14:08,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:14:08,966 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:14:08,967 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:14:08,967 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:14:08,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:14:08,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:14:08,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:14:08,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:14:08,968 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-02 20:14:08,968 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-12-02 20:14:08,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:14:08,969 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:14:08,969 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-12-02 20:14:08,969 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-12-02 20:14:08,970 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:14:08,970 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-12-02 20:14:08,970 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-12-02 20:14:08,970 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_1a510d6c-dc86-4114-a530-5b6445147021/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a7db49c8892594e32a30fa9165fc3ad1a94911917cd8b63757bb8f24f04b536 [2023-12-02 20:14:09,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:14:09,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:14:09,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:14:09,237 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:14:09,237 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:14:09,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/../../sv-benchmarks/c/goblint-regression/28-race_reach_74-tricky_address1_racefree.i [2023-12-02 20:14:11,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:14:12,172 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:14:12,173 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/sv-benchmarks/c/goblint-regression/28-race_reach_74-tricky_address1_racefree.i [2023-12-02 20:14:12,192 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/data/91637dd35/8d34cabd06f84d26b1be8877367d6a7d/FLAGf13130879 [2023-12-02 20:14:12,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/data/91637dd35/8d34cabd06f84d26b1be8877367d6a7d [2023-12-02 20:14:12,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:14:12,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:14:12,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:14:12,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:14:12,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:14:12,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:14:12" (1/1) ... [2023-12-02 20:14:12,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c5b6505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:12, skipping insertion in model container [2023-12-02 20:14:12,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:14:12" (1/1) ... [2023-12-02 20:14:12,272 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:14:12,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:14:12,795 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:14:12,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:14:12,901 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:14:12,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:12 WrapperNode [2023-12-02 20:14:12,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:14:12,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:14:12,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:14:12,903 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:14:12,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:12" (1/1) ... [2023-12-02 20:14:12,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:12" (1/1) ... [2023-12-02 20:14:12,961 INFO L138 Inliner]: procedures = 271, calls = 50, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 236 [2023-12-02 20:14:12,962 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:14:12,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:14:12,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:14:12,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:14:12,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:12" (1/1) ... [2023-12-02 20:14:12,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:12" (1/1) ... [2023-12-02 20:14:12,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:12" (1/1) ... [2023-12-02 20:14:12,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:12" (1/1) ... [2023-12-02 20:14:12,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:12" (1/1) ... [2023-12-02 20:14:12,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:12" (1/1) ... [2023-12-02 20:14:12,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:12" (1/1) ... [2023-12-02 20:14:12,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:12" (1/1) ... [2023-12-02 20:14:13,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:14:13,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:14:13,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:14:13,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:14:13,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:12" (1/1) ... [2023-12-02 20:14:13,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:14:13,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:13,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:14:13,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:14:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:14:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:14:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 20:14:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:14:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:14:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 20:14:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:14:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-12-02 20:14:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-12-02 20:14:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:14:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:14:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:14:13,062 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 20:14:13,204 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:14:13,206 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:14:13,513 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:14:13,694 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:14:13,694 INFO L309 CfgBuilder]: Removed 23 assume(true) statements. [2023-12-02 20:14:13,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:14:13 BoogieIcfgContainer [2023-12-02 20:14:13,694 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:14:13,710 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:14:13,710 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:14:13,713 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:14:13,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:14:12" (1/3) ... [2023-12-02 20:14:13,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461c489a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:14:13, skipping insertion in model container [2023-12-02 20:14:13,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:12" (2/3) ... [2023-12-02 20:14:13,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461c489a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:14:13, skipping insertion in model container [2023-12-02 20:14:13,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:14:13" (3/3) ... [2023-12-02 20:14:13,716 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_74-tricky_address1_racefree.i [2023-12-02 20:14:13,725 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 20:14:13,748 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:14:13,748 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-12-02 20:14:13,748 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 20:14:13,797 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-12-02 20:14:13,845 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:14:13,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:14:13,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:13,848 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:14:13,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-12-02 20:14:13,887 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:14:13,898 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2023-12-02 20:14:13,904 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;@3c3abde0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:14:13,905 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-12-02 20:14:14,116 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:14,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:14,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1288823229, now seen corresponding path program 1 times [2023-12-02 20:14:14,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:14,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026000391] [2023-12-02 20:14:14,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:14,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:14,346 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 20:14:14,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:14,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026000391] [2023-12-02 20:14:14,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026000391] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:14:14,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:14:14,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:14:14,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016206670] [2023-12-02 20:14:14,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:14:14,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:14:14,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:14,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:14:14,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:14:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:14,377 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:14,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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 20:14:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:14,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:14,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:14:14,443 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:14,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:14,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1199410633, now seen corresponding path program 1 times [2023-12-02 20:14:14,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:14,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443880184] [2023-12-02 20:14:14,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:14,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:14,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:14:14,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:14,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443880184] [2023-12-02 20:14:14,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443880184] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:14,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683319009] [2023-12-02 20:14:14,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:14,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:14,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:14,625 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:14,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 20:14:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:14,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:14:14,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:14,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:14:14,757 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:14,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:14:14,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683319009] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:14,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:14,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2023-12-02 20:14:14,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982963326] [2023-12-02 20:14:14,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:14,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 20:14:14,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:14,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 20:14:14,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-02 20:14:14,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:14,793 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:14,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 9 states have internal predecessors, (27), 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 20:14:14,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:14,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:14,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:14,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:14,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 20:14:15,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-02 20:14:15,143 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:15,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:15,143 INFO L85 PathProgramCache]: Analyzing trace with hash 748639095, now seen corresponding path program 2 times [2023-12-02 20:14:15,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:15,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668944872] [2023-12-02 20:14:15,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:15,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:15,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:14:15,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:15,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668944872] [2023-12-02 20:14:15,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668944872] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:14:15,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:14:15,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:14:15,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201880928] [2023-12-02 20:14:15,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:14:15,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:14:15,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:15,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:14:15,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:14:15,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:15,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:15,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:14:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:15,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:15,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:15,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:15,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 20:14:15,368 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:15,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:15,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1148997040, now seen corresponding path program 1 times [2023-12-02 20:14:15,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:15,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216678431] [2023-12-02 20:14:15,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:15,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:15,537 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 20:14:15,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:15,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216678431] [2023-12-02 20:14:15,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216678431] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:15,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197115879] [2023-12-02 20:14:15,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:15,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:15,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:15,541 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:15,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 20:14:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:15,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 20:14:15,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:15,686 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 20:14:15,687 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:15,775 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 20:14:15,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197115879] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:15,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:15,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2023-12-02 20:14:15,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179303298] [2023-12-02 20:14:15,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:15,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-02 20:14:15,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:15,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-02 20:14:15,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-12-02 20:14:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:15,779 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:15,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 17 states have internal predecessors, (41), 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 20:14:15,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:15,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:15,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:15,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:15,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:15,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:15,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:15,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:15,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 20:14:16,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:16,181 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:16,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:16,182 INFO L85 PathProgramCache]: Analyzing trace with hash 931482416, now seen corresponding path program 2 times [2023-12-02 20:14:16,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:16,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337232777] [2023-12-02 20:14:16,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:16,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:16,526 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 20:14:16,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:16,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337232777] [2023-12-02 20:14:16,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337232777] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:16,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601224142] [2023-12-02 20:14:16,527 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:14:16,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:16,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:16,529 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:16,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 20:14:16,645 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:14:16,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:14:16,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 20:14:16,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:16,717 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 20:14:16,717 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:16,909 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 20:14:16,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601224142] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:16,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:16,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 22 [2023-12-02 20:14:16,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163068249] [2023-12-02 20:14:16,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:16,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-02 20:14:16,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:16,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-02 20:14:16,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2023-12-02 20:14:16,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:16,915 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:16,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.1739130434782608) internal successors, (50), 22 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:14:16,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:16,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:16,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:16,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:16,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:17,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:17,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:17,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:17,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:17,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:17,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 20:14:17,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:17,371 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:17,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:17,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1085276222, now seen corresponding path program 3 times [2023-12-02 20:14:17,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:17,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888012171] [2023-12-02 20:14:17,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:17,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:17,941 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 20:14:17,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:17,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888012171] [2023-12-02 20:14:17,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888012171] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:17,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754344387] [2023-12-02 20:14:17,942 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:14:17,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:17,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:17,943 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:17,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 20:14:18,045 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 20:14:18,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:14:18,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 20:14:18,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:18,080 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 20:14:18,301 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:14:18,301 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 20:14:18,329 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 20:14:18,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:14:18,449 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 20:14:18,464 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 20:14:18,464 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:18,514 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_195 (Array Int Int)) (|t_funThread1of1ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_195) |c_t_funThread1of1ForFork0_~p~0#1.base|) |t_funThread1of1ForFork0_~p~0#1.offset|)))) is different from false [2023-12-02 20:14:18,562 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_195 (Array Int Int)) (|t_funThread1of1ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_195) |c_~#a~0.base|) |t_funThread1of1ForFork0_~p~0#1.offset|)))) is different from false [2023-12-02 20:14:18,856 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 20:14:18,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754344387] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:18,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:18,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 16 [2023-12-02 20:14:18,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594811485] [2023-12-02 20:14:18,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:18,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-02 20:14:18,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:18,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-02 20:14:18,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=199, Unknown=2, NotChecked=58, Total=306 [2023-12-02 20:14:18,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:18,861 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:18,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 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 20:14:18,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:18,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:18,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:18,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:18,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:18,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:19,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:19,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:19,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:19,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:19,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:19,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:19,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 20:14:19,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-12-02 20:14:19,436 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:19,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:19,436 INFO L85 PathProgramCache]: Analyzing trace with hash 605648632, now seen corresponding path program 1 times [2023-12-02 20:14:19,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:19,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227368258] [2023-12-02 20:14:19,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:19,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:19,970 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 20:14:19,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:19,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227368258] [2023-12-02 20:14:19,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227368258] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:19,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414682484] [2023-12-02 20:14:19,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:19,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:19,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:19,975 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:19,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 20:14:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:20,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 20:14:20,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:20,116 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 20:14:20,308 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:14:20,308 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 20:14:20,333 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 20:14:20,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:14:20,494 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 20:14:20,549 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 20:14:20,566 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 20:14:20,566 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:20,649 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_272 (Array Int Int)) (|t_funThread1of1ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_272) |c_t_funThread1of1ForFork0_~p~0#1.base|) |t_funThread1of1ForFork0_~p~0#1.offset|)))) is different from false [2023-12-02 20:14:20,962 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 20:14:20,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414682484] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:20,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:20,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2023-12-02 20:14:20,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023398858] [2023-12-02 20:14:20,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:20,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 20:14:20,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:20,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 20:14:20,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=4, NotChecked=36, Total=420 [2023-12-02 20:14:20,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:20,967 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:20,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.95) internal successors, (79), 20 states have internal predecessors, (79), 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 20:14:20,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:20,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:20,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:20,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:20,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:20,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:20,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:21,133 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| 4))) (let ((.cse0 ((as const (Array Int Int)) 0)) (.cse1 (select .cse2 |c_t_funThread1of1ForFork0_~p~0#1.offset|))) (and (= |c_t_funThread1of1ForFork0_~p~0#1.base| 4) (forall ((|v_ULTIMATE.start_main_~#t_ids~0#1.base_48| Int)) (or (forall ((v_ArrVal_272 (Array Int Int)) (|t_funThread1of1ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_~#t_ids~0#1.base_48| v_ArrVal_272) |c_~#a~0.base|) |t_funThread1of1ForFork0_~p~0#1.offset|)))) (not (= (select |c_#valid| |v_ULTIMATE.start_main_~#t_ids~0#1.base_48|) 0)))) (<= (+ (select .cse0 |c_t_funThread1of1ForFork0_~p~0#1.offset|) 1) .cse1) (forall ((v_ArrVal_272 (Array Int Int)) (|t_funThread1of1ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_272) |c_~#a~0.base|) |t_funThread1of1ForFork0_~p~0#1.offset|)))) (= (store .cse0 |c_t_funThread1of1ForFork0_~p~0#1.offset| .cse1) .cse2)))) is different from false [2023-12-02 20:14:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:14:21,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-02 20:14:21,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:21,447 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:21,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:21,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1595239156, now seen corresponding path program 1 times [2023-12-02 20:14:21,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:21,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129062365] [2023-12-02 20:14:21,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:21,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:21,626 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 20:14:21,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:21,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129062365] [2023-12-02 20:14:21,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129062365] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:14:21,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:14:21,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:14:21,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539019713] [2023-12-02 20:14:21,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:14:21,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:14:21,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:21,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:14:21,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:14:21,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:21,629 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:21,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 20:14:21,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:21,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:21,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:21,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:21,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:21,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:21,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:14:21,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:22,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:22,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:14:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:22,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 20:14:22,366 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:22,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:22,366 INFO L85 PathProgramCache]: Analyzing trace with hash -359520245, now seen corresponding path program 1 times [2023-12-02 20:14:22,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:22,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217191801] [2023-12-02 20:14:22,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:22,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:22,485 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:14:22,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:22,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217191801] [2023-12-02 20:14:22,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217191801] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:22,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547894721] [2023-12-02 20:14:22,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:22,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:22,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:22,488 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:22,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 20:14:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:22,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:14:22,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:22,632 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 11 treesize of output 7 [2023-12-02 20:14:22,642 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-12-02 20:14:22,642 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:14:22,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547894721] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:14:22,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:14:22,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-12-02 20:14:22,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228235971] [2023-12-02 20:14:22,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:14:22,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:14:22,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:22,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:14:22,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:14:22,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:22,644 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:22,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 20:14:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:14:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:22,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:22,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:14:22,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:22,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:22,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 20:14:22,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:22,987 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:22,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:22,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1161501539, now seen corresponding path program 1 times [2023-12-02 20:14:22,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:22,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771547564] [2023-12-02 20:14:22,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:22,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:23,103 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:14:23,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:23,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771547564] [2023-12-02 20:14:23,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771547564] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:23,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046511898] [2023-12-02 20:14:23,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:23,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:23,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:23,105 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:23,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 20:14:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:23,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:14:23,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:23,290 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:14:23,290 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:23,324 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:14:23,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046511898] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:23,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:23,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-12-02 20:14:23,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951297731] [2023-12-02 20:14:23,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:23,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 20:14:23,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:23,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 20:14:23,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-02 20:14:23,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:23,327 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:23,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 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 20:14:23,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:23,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:23,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:23,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:23,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:23,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:23,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:14:23,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:23,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:23,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:23,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:23,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:14:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:14:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:14:23,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 20:14:23,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-02 20:14:23,776 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:23,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:23,777 INFO L85 PathProgramCache]: Analyzing trace with hash -2002914220, now seen corresponding path program 2 times [2023-12-02 20:14:23,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:23,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897697090] [2023-12-02 20:14:23,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:23,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:24,182 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 20:14:24,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:24,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897697090] [2023-12-02 20:14:24,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897697090] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:24,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878494621] [2023-12-02 20:14:24,183 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:14:24,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:24,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:24,184 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:24,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 20:14:24,338 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:14:24,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:14:24,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 20:14:24,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:24,349 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 20:14:24,527 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:14:24,528 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 20:14:24,550 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 20:14:24,670 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 20:14:24,703 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 20:14:24,758 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 20:14:24,770 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 20:14:24,770 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:24,808 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_557 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_557) |c_t_funThread1of1ForFork0_~p~0#1.base|) |c_t_funThread1of1ForFork0_~p~0#1.offset|) 2147483648))) is different from false [2023-12-02 20:14:25,605 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 20:14:25,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878494621] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:25,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:25,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 20 [2023-12-02 20:14:25,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653589355] [2023-12-02 20:14:25,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:25,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-02 20:14:25,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:25,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-02 20:14:25,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=351, Unknown=2, NotChecked=38, Total=462 [2023-12-02 20:14:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:25,609 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:25,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.761904761904762) internal successors, (79), 21 states have internal predecessors, (79), 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 20:14:25,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:25,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:25,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:25,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:25,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:25,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:25,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:14:25,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:14:25,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:25,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:14:25,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:26,425 WARN L854 $PredicateComparison]: unable to prove that (and (<= 1 |c_t_funThread1of1ForFork0_#t~post40#1|) (forall ((v_ArrVal_272 (Array Int Int)) (|t_funThread1of1ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_272) |c_~#a~0.base|) |t_funThread1of1ForFork0_~p~0#1.offset|))))) is different from false [2023-12-02 20:14:26,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:26,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:26,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:26,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:26,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:26,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:26,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:26,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:14:26,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:26,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:14:26,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:14:26,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-02 20:14:26,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-02 20:14:26,783 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:26,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:26,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1960797928, now seen corresponding path program 2 times [2023-12-02 20:14:26,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:26,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135562537] [2023-12-02 20:14:26,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:26,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:27,439 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 20:14:27,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:27,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135562537] [2023-12-02 20:14:27,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135562537] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:27,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248459131] [2023-12-02 20:14:27,440 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:14:27,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:27,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:27,441 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:27,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 20:14:27,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:14:27,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:14:27,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 20:14:27,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:27,725 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:14:27,725 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 20:14:27,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 20:14:27,838 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 20:14:27,877 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 20:14:27,891 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 20:14:27,891 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:27,955 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:14:27,955 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 20 treesize of output 21 [2023-12-02 20:14:27,958 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 20:14:28,037 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 20:14:28,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248459131] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:28,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:28,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 20 [2023-12-02 20:14:28,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606884840] [2023-12-02 20:14:28,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:28,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-02 20:14:28,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:28,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-02 20:14:28,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=400, Unknown=4, NotChecked=0, Total=462 [2023-12-02 20:14:28,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:28,040 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:28,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:14:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:14:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:14:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:14:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:28,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:28,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:28,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:28,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:28,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:28,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:28,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 20:14:28,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:14:28,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:28,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:14:28,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:14:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:14:28,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-12-02 20:14:28,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-12-02 20:14:28,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-12-02 20:14:28,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-12-02 20:14:28,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 20:14:29,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-02 20:14:29,183 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 1, 1, 1] [2023-12-02 20:14:29,185 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE (1/2) [2023-12-02 20:14:29,188 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:14:29,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:14:29,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:29,189 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:14:29,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2023-12-02 20:14:29,193 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:14:29,193 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-12-02 20:14:29,194 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;@3c3abde0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:14:29,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2023-12-02 20:14:29,218 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 8 more)] === [2023-12-02 20:14:29,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:29,218 INFO L85 PathProgramCache]: Analyzing trace with hash 648496, now seen corresponding path program 1 times [2023-12-02 20:14:29,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:29,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672114816] [2023-12-02 20:14:29,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:29,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:29,241 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 20:14:29,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:29,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672114816] [2023-12-02 20:14:29,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672114816] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:14:29,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:14:29,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:14:29,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051995990] [2023-12-02 20:14:29,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:14:29,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:14:29,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:29,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:14:29,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:14:29,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:29,243 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:29,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 20:14:29,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:29,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:29,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 20:14:29,269 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 8 more)] === [2023-12-02 20:14:29,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:29,269 INFO L85 PathProgramCache]: Analyzing trace with hash 2140125570, now seen corresponding path program 1 times [2023-12-02 20:14:29,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:29,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237206402] [2023-12-02 20:14:29,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:29,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:29,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:14:29,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:29,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237206402] [2023-12-02 20:14:29,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237206402] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:29,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136396528] [2023-12-02 20:14:29,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:29,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:29,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:29,324 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:29,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-02 20:14:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:29,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:14:29,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:29,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:14:29,441 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:14:29,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136396528] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:14:29,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:14:29,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2023-12-02 20:14:29,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295345650] [2023-12-02 20:14:29,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:14:29,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:14:29,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:29,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:14:29,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-02 20:14:29,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:29,443 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:29,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 20:14:29,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:29,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:29,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:29,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:29,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-12-02 20:14:29,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-12-02 20:14:29,682 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 8 more)] === [2023-12-02 20:14:29,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:29,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1919383886, now seen corresponding path program 1 times [2023-12-02 20:14:29,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:29,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589897994] [2023-12-02 20:14:29,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:29,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:29,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:14:29,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:29,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589897994] [2023-12-02 20:14:29,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589897994] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:14:29,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:14:29,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:14:29,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035958748] [2023-12-02 20:14:29,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:14:29,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:14:29,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:29,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:14:29,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:14:29,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:29,703 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:29,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 20:14:29,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:29,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:29,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:29,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:29,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:29,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:29,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 20:14:29,796 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 8 more)] === [2023-12-02 20:14:29,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:29,797 INFO L85 PathProgramCache]: Analyzing trace with hash 664715210, now seen corresponding path program 1 times [2023-12-02 20:14:29,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:29,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264112209] [2023-12-02 20:14:29,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:29,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:14:29,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:29,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264112209] [2023-12-02 20:14:29,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264112209] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:29,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186088408] [2023-12-02 20:14:29,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:29,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:29,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:29,840 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:29,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-02 20:14:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:29,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:14:29,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:29,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:14:29,966 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:29,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:14:29,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186088408] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:29,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:29,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2023-12-02 20:14:29,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830554275] [2023-12-02 20:14:29,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:29,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 20:14:29,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:29,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 20:14:29,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-02 20:14:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:29,991 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:29,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:14:29,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:29,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:29,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:29,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:30,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:30,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:30,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:30,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:14:30,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-12-02 20:14:30,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-02 20:14:30,271 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 8 more)] === [2023-12-02 20:14:30,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:30,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1504866038, now seen corresponding path program 2 times [2023-12-02 20:14:30,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:30,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962195376] [2023-12-02 20:14:30,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:30,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:14:30,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:30,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962195376] [2023-12-02 20:14:30,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962195376] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:14:30,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:14:30,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:14:30,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989992840] [2023-12-02 20:14:30,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:14:30,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:14:30,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:30,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:14:30,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:14:30,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:30,315 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:30,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 20:14:30,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:14:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:30,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:30,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:30,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:30,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:14:30,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:30,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-02 20:14:30,390 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 8 more)] === [2023-12-02 20:14:30,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:30,390 INFO L85 PathProgramCache]: Analyzing trace with hash -376779995, now seen corresponding path program 1 times [2023-12-02 20:14:30,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:30,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908376081] [2023-12-02 20:14:30,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:30,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:30,480 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 20:14:30,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:30,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908376081] [2023-12-02 20:14:30,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908376081] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:30,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145289127] [2023-12-02 20:14:30,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:30,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:30,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:30,482 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:30,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-02 20:14:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:30,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 20:14:30,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:30,630 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 20:14:30,630 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:30,693 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 20:14:30,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145289127] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:30,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:30,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2023-12-02 20:14:30,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334909612] [2023-12-02 20:14:30,693 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:30,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-02 20:14:30,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:30,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-02 20:14:30,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-12-02 20:14:30,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:30,695 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:30,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.0555555555555554) internal successors, (37), 17 states have internal predecessors, (37), 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 20:14:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:14:30,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:30,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:30,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:30,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:30,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:30,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:14:30,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:30,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:30,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-12-02 20:14:31,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-02 20:14:31,087 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 8 more)] === [2023-12-02 20:14:31,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:31,088 INFO L85 PathProgramCache]: Analyzing trace with hash 934185125, now seen corresponding path program 2 times [2023-12-02 20:14:31,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:31,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351244939] [2023-12-02 20:14:31,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:31,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:31,302 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 20:14:31,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:31,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351244939] [2023-12-02 20:14:31,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351244939] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:31,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561296364] [2023-12-02 20:14:31,303 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:14:31,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:31,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:31,305 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:31,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-02 20:14:31,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:14:31,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:14:31,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 20:14:31,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:31,470 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 20:14:31,471 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:31,630 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 20:14:31,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561296364] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:31,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:31,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 22 [2023-12-02 20:14:31,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757863912] [2023-12-02 20:14:31,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:31,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-02 20:14:31,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:31,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-02 20:14:31,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2023-12-02 20:14:31,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:31,633 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:31,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.0) internal successors, (46), 22 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:14:31,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:31,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:31,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:31,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:14:31,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:31,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:31,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:31,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:31,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:31,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:31,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:14:31,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:31,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:31,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:14:31,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-12-02 20:14:32,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:32,119 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 8 more)] === [2023-12-02 20:14:32,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:32,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1042175543, now seen corresponding path program 3 times [2023-12-02 20:14:32,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:32,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44282684] [2023-12-02 20:14:32,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:32,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:14:32,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:14:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:14:32,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-02 20:14:32,182 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 20:14:32,183 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2023-12-02 20:14:32,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 11 remaining) [2023-12-02 20:14:32,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 11 remaining) [2023-12-02 20:14:32,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 11 remaining) [2023-12-02 20:14:32,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 11 remaining) [2023-12-02 20:14:32,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 11 remaining) [2023-12-02 20:14:32,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 11 remaining) [2023-12-02 20:14:32,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 11 remaining) [2023-12-02 20:14:32,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 11 remaining) [2023-12-02 20:14:32,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 11 remaining) [2023-12-02 20:14:32,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 11 remaining) [2023-12-02 20:14:32,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-02 20:14:32,190 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1] [2023-12-02 20:14:32,191 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2023-12-02 20:14:32,191 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-12-02 20:14:32,191 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-12-02 20:14:32,219 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-12-02 20:14:32,222 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:14:32,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:14:32,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:32,224 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:14:32,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (17)] Waiting until timeout for monitored process [2023-12-02 20:14:32,230 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:14:32,230 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of2ForFork0 ======== [2023-12-02 20:14:32,231 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;@3c3abde0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:14:32,231 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-12-02 20:14:32,323 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:32,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:32,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1668894319, now seen corresponding path program 1 times [2023-12-02 20:14:32,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:32,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566880523] [2023-12-02 20:14:32,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:32,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:32,347 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 20:14:32,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:32,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566880523] [2023-12-02 20:14:32,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566880523] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:14:32,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:14:32,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:14:32,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861666195] [2023-12-02 20:14:32,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:14:32,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:14:32,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:32,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:14:32,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:14:32,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:32,350 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:32,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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 20:14:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:32,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:32,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-02 20:14:32,382 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:32,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:32,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1670687435, now seen corresponding path program 1 times [2023-12-02 20:14:32,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:32,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814786143] [2023-12-02 20:14:32,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:32,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:32,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:14:32,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:32,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814786143] [2023-12-02 20:14:32,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814786143] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:32,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333830360] [2023-12-02 20:14:32,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:32,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:32,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:32,428 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:32,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-02 20:14:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:32,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:14:32,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:32,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:14:32,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:32,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:14:32,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333830360] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:32,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:32,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2023-12-02 20:14:32,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118633309] [2023-12-02 20:14:32,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:32,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 20:14:32,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:32,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 20:14:32,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-02 20:14:32,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:32,593 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:32,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 9 states have internal predecessors, (27), 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 20:14:32,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:32,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:32,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-12-02 20:14:32,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-12-02 20:14:32,861 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:32,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:32,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1936415435, now seen corresponding path program 2 times [2023-12-02 20:14:32,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:32,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573263223] [2023-12-02 20:14:32,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:32,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:14:32,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:32,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573263223] [2023-12-02 20:14:32,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573263223] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:14:32,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:14:32,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:14:32,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949817875] [2023-12-02 20:14:32,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:14:32,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:14:32,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:32,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:14:32,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:14:32,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:32,896 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:32,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:14:32,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:32,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:32,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:33,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:33,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:33,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:33,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-02 20:14:33,015 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:33,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:33,016 INFO L85 PathProgramCache]: Analyzing trace with hash -898351743, now seen corresponding path program 1 times [2023-12-02 20:14:33,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:33,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864368679] [2023-12-02 20:14:33,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:33,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:33,135 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 20:14:33,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:33,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864368679] [2023-12-02 20:14:33,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864368679] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:33,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483478122] [2023-12-02 20:14:33,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:33,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:33,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:33,137 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:33,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-12-02 20:14:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:33,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 20:14:33,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:33,323 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 20:14:33,323 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:33,388 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 20:14:33,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483478122] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:33,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:33,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2023-12-02 20:14:33,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483479618] [2023-12-02 20:14:33,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:33,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-02 20:14:33,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:33,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-02 20:14:33,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-12-02 20:14:33,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:33,391 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:33,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.611111111111111) internal successors, (47), 17 states have internal predecessors, (47), 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 20:14:33,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:33,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:33,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:33,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:33,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:33,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:33,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:33,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:33,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-12-02 20:14:33,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-12-02 20:14:33,750 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:33,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:33,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1000185217, now seen corresponding path program 2 times [2023-12-02 20:14:33,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:33,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440120194] [2023-12-02 20:14:33,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:33,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:33,986 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 20:14:33,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:33,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440120194] [2023-12-02 20:14:33,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440120194] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:33,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766841892] [2023-12-02 20:14:33,987 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:14:33,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:33,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:33,988 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:33,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-12-02 20:14:34,145 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:14:34,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:14:34,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 20:14:34,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:34,192 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 20:14:34,192 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:34,334 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 20:14:34,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766841892] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:34,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:34,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 22 [2023-12-02 20:14:34,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845631410] [2023-12-02 20:14:34,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:34,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-02 20:14:34,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:34,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-02 20:14:34,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2023-12-02 20:14:34,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:34,336 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:34,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.4347826086956523) internal successors, (56), 22 states have internal predecessors, (56), 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 20:14:34,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:34,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:34,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:34,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:34,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:34,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:34,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:34,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:34,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:34,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:34,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-12-02 20:14:34,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-12-02 20:14:34,700 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:34,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:34,700 INFO L85 PathProgramCache]: Analyzing trace with hash 653720065, now seen corresponding path program 3 times [2023-12-02 20:14:34,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:34,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060374491] [2023-12-02 20:14:34,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:34,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:34,794 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:14:34,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:34,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060374491] [2023-12-02 20:14:34,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060374491] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:34,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414483102] [2023-12-02 20:14:34,795 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:14:34,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:34,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:34,796 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:34,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-12-02 20:14:34,928 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 20:14:34,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:14:34,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:14:34,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:34,986 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:14:34,986 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:14:34,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414483102] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:14:34,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:14:34,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2023-12-02 20:14:34,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474921831] [2023-12-02 20:14:34,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:14:34,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 20:14:34,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:34,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 20:14:34,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-02 20:14:34,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:34,988 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:34,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 20:14:34,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:34,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:34,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:34,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:34,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:34,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:35,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-12-02 20:14:35,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:35,252 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:35,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:35,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1394306657, now seen corresponding path program 1 times [2023-12-02 20:14:35,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:35,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579611573] [2023-12-02 20:14:35,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:35,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:35,295 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-12-02 20:14:35,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:35,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579611573] [2023-12-02 20:14:35,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579611573] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:14:35,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:14:35,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:14:35,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353978308] [2023-12-02 20:14:35,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:14:35,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:14:35,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:35,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:14:35,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:14:35,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:35,297 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:35,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) 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 20:14:35,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:35,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:35,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:35,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:35,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:35,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:35,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:35,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:35,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:35,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:35,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:35,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:35,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:35,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:35,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-02 20:14:35,367 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:35,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:35,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1923122264, now seen corresponding path program 1 times [2023-12-02 20:14:35,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:35,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239000463] [2023-12-02 20:14:35,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:35,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:35,702 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:14:35,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:35,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239000463] [2023-12-02 20:14:35,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239000463] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:35,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783719254] [2023-12-02 20:14:35,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:35,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:35,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:35,704 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:35,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-12-02 20:14:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:35,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 20:14:35,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:35,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-02 20:14:36,068 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:14:36,068 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 20:14:36,088 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 20:14:36,151 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 20:14:36,201 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 20:14:36,225 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 20:14:36,238 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-12-02 20:14:36,238 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:36,368 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1098 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1098) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) is different from false [2023-12-02 20:14:36,602 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 4 not checked. [2023-12-02 20:14:36,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783719254] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:36,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:36,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 17 [2023-12-02 20:14:36,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619077631] [2023-12-02 20:14:36,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:36,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-02 20:14:36,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:36,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-02 20:14:36,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=254, Unknown=2, NotChecked=32, Total=342 [2023-12-02 20:14:36,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:36,605 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:36,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 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 20:14:36,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:36,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:36,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:36,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:36,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:36,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:36,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:36,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:37,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:37,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:37,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:37,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:37,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:37,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:37,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:37,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:37,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-12-02 20:14:37,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-12-02 20:14:37,216 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:37,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:37,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1572142961, now seen corresponding path program 1 times [2023-12-02 20:14:37,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:37,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131298132] [2023-12-02 20:14:37,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:37,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:37,757 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:14:37,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:37,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131298132] [2023-12-02 20:14:37,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131298132] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:37,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607644529] [2023-12-02 20:14:37,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:37,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:37,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:37,758 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:37,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-12-02 20:14:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:37,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 20:14:37,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:37,897 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 20:14:38,070 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:14:38,070 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 20:14:38,096 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 20:14:38,159 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 20:14:38,213 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 20:14:38,267 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 20:14:38,331 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 20:14:38,344 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-12-02 20:14:38,344 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:38,790 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-12-02 20:14:38,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607644529] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:38,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:38,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 22 [2023-12-02 20:14:38,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496694997] [2023-12-02 20:14:38,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:38,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-02 20:14:38,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:38,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-02 20:14:38,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=469, Unknown=7, NotChecked=0, Total=552 [2023-12-02 20:14:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:38,793 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:38,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 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 20:14:38,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:38,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:38,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:38,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:38,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:38,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:38,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:38,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:38,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:39,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:39,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:39,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:39,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:39,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:39,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:39,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:39,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:39,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:14:39,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-12-02 20:14:39,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-12-02 20:14:39,667 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:39,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:39,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1491792749, now seen corresponding path program 1 times [2023-12-02 20:14:39,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:39,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672385150] [2023-12-02 20:14:39,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:39,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:39,779 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-12-02 20:14:39,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:39,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672385150] [2023-12-02 20:14:39,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672385150] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:14:39,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:14:39,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:14:39,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889910937] [2023-12-02 20:14:39,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:14:39,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:14:39,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:39,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:14:39,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:14:39,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:39,782 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:39,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:14:39,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:39,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:39,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:39,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:39,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:39,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:39,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:39,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:39,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:14:39,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:40,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:14:40,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:40,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-02 20:14:40,443 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:40,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:40,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1258534598, now seen corresponding path program 1 times [2023-12-02 20:14:40,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:40,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528126460] [2023-12-02 20:14:40,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:40,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:40,514 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-12-02 20:14:40,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:40,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528126460] [2023-12-02 20:14:40,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528126460] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:14:40,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:14:40,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:14:40,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005730460] [2023-12-02 20:14:40,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:14:40,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:14:40,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:40,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:14:40,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:14:40,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:40,517 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:40,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 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 20:14:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:40,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:40,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:14:40,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:40,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:14:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:40,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-02 20:14:40,643 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:40,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:40,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1807465267, now seen corresponding path program 1 times [2023-12-02 20:14:40,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:40,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171286052] [2023-12-02 20:14:40,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:40,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:41,340 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:14:41,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:41,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171286052] [2023-12-02 20:14:41,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171286052] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:41,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234355973] [2023-12-02 20:14:41,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:41,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:41,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:41,342 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:41,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-12-02 20:14:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:41,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 20:14:41,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:41,495 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 20:14:41,644 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:14:41,644 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 20:14:41,668 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 20:14:41,702 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 13 treesize of output 9 [2023-12-02 20:14:41,772 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 20:14:41,833 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:14:41,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2023-12-02 20:14:41,925 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 20:14:42,018 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 20:14:42,121 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 41 treesize of output 32 [2023-12-02 20:14:42,182 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 40 treesize of output 30 [2023-12-02 20:14:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:14:42,223 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:42,845 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 18 treesize of output 12 [2023-12-02 20:14:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:14:43,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234355973] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:43,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:43,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 30 [2023-12-02 20:14:43,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230655316] [2023-12-02 20:14:43,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:43,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-12-02 20:14:43,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:43,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-12-02 20:14:43,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=855, Unknown=12, NotChecked=0, Total=992 [2023-12-02 20:14:43,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:43,715 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:43,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 4.096774193548387) internal successors, (127), 31 states have internal predecessors, (127), 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 20:14:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:14:43,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:43,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:43,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:46,955 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse15 (select |c_#memory_int| 4))) (let ((.cse10 ((as const (Array Int Int)) 0)) (.cse11 (select .cse15 |c_t_funThread1of2ForFork0_~p~0#1.offset|))) (and (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1374 Int) (v_ArrVal_1373 Int) (v_ArrVal_1371 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1371) |c_~#a~0.base|))) (or (< 0 (+ (select (store (store .cse0 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_1373 (+ (select .cse0 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (= |t_funThread1of2ForFork0_~p~0#1.offset| |t_funThread2of2ForFork0_~p~0#1.offset|)))) (forall ((v_ArrVal_1374 Int) (v_ArrVal_1373 Int) (v_ArrVal_1371 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1371))) (let ((.cse3 (select .cse2 |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< 0 (+ (select (select (let ((.cse1 (store .cse2 |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse3 |c_t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373)))) (store .cse1 |c_t_funThread2of2ForFork0_~p~0#1.base| (store (select .cse1 |c_t_funThread2of2ForFork0_~p~0#1.base|) |c_t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_1373 (+ 1 (select .cse3 |c_t_funThread1of2ForFork0_~p~0#1.offset|))))))) (forall ((v_ArrVal_1373 Int) (v_ArrVal_1371 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1371))) (let ((.cse4 (select .cse6 |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< v_ArrVal_1373 (+ (select .cse4 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1374 Int)) (or (< 0 (+ (select (select (let ((.cse5 (store .cse6 |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse4 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373)))) (store .cse5 |c_~#a~0.base| (store (select .cse5 |c_~#a~0.base|) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (= |t_funThread1of2ForFork0_~p~0#1.offset| |t_funThread2of2ForFork0_~p~0#1.offset|))))))) (= 4 |c_t_funThread1of2ForFork0_~p~0#1.base|) (= |c_t_funThread2of2ForFork0_~p~0#1.base| 4) (or (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1374 Int) (v_ArrVal_1373 Int) (v_ArrVal_1371 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse8 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1371))) (let ((.cse9 (select .cse8 |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< 0 (+ (select (select (let ((.cse7 (store .cse8 |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse9 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373)))) (store .cse7 |c_~#a~0.base| (store (select .cse7 |c_~#a~0.base|) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_1373 (+ (select .cse9 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)))))) (= |c_~#a~0.base| |c_t_funThread1of2ForFork0_~p~0#1.base|)) (not (= |c_t_funThread2of2ForFork0_~p~0#1.offset| |c_t_funThread1of2ForFork0_~p~0#1.offset|)) (<= (+ (select .cse10 |c_t_funThread1of2ForFork0_~p~0#1.offset|) 1) .cse11) (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1374 Int) (v_ArrVal_1373 Int) (v_ArrVal_1371 (Array Int Int))) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1371))) (let ((.cse12 (select .cse14 |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (not (= (select (select |c_#pthreadsMutex| |c_~#a~0.base|) (+ |t_funThread2of2ForFork0_~p~0#1.offset| 4)) 0)) (< v_ArrVal_1373 (+ 1 (select .cse12 |c_t_funThread1of2ForFork0_~p~0#1.offset|))) (< 0 (+ 2147483648 (select (select (let ((.cse13 (store .cse14 |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse12 |c_t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373)))) (store .cse13 |c_~#a~0.base| (store (select .cse13 |c_~#a~0.base|) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|))))))) (= (store .cse10 |c_t_funThread1of2ForFork0_~p~0#1.offset| .cse11) .cse15) (forall ((|v_ULTIMATE.start_main_~#t_ids~0#1.base_60| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_~#t_ids~0#1.base_60|) 0)) (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1374 Int) (v_ArrVal_1373 Int) (v_ArrVal_1371 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse16 (select (store |c_#memory_int| |v_ULTIMATE.start_main_~#t_ids~0#1.base_60| v_ArrVal_1371) |c_~#a~0.base|))) (or (< v_ArrVal_1373 (+ (select .cse16 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (< 0 (+ (select (store (store .cse16 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (= |t_funThread1of2ForFork0_~p~0#1.offset| |t_funThread2of2ForFork0_~p~0#1.offset|))))))))) is different from false [2023-12-02 20:14:49,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:14:52,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:52,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:52,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:52,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:52,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:52,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:52,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:52,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:14:52,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:14:52,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:52,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:52,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:14:52,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2023-12-02 20:14:53,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:53,004 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:53,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:53,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1823364492, now seen corresponding path program 1 times [2023-12-02 20:14:53,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:53,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627858673] [2023-12-02 20:14:53,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:53,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:14:53,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:53,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627858673] [2023-12-02 20:14:53,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627858673] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:53,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650785271] [2023-12-02 20:14:53,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:53,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:53,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:53,101 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:53,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-12-02 20:14:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:53,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 20:14:53,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:53,306 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:14:53,306 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:53,373 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:14:53,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650785271] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:53,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:53,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2023-12-02 20:14:53,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536087522] [2023-12-02 20:14:53,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:53,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 20:14:53,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:53,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 20:14:53,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2023-12-02 20:14:53,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:53,376 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:53,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.928571428571429) internal successors, (97), 14 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:14:53,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:53,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:53,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:53,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:53,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:53,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:53,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:53,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:14:53,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:14:53,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:53,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:53,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:14:53,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:53,739 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1184 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1184) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((v_ArrVal_1184 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1184) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|v_ULTIMATE.start_main_~#t_ids~0#1.base_59| Int)) (or (forall ((v_ArrVal_1184 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_~#t_ids~0#1.base_59| v_ArrVal_1184) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (not (= (select |c_#valid| |v_ULTIMATE.start_main_~#t_ids~0#1.base_59|) 0))))) is different from false [2023-12-02 20:14:54,017 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1374 Int) (v_ArrVal_1373 Int) (v_ArrVal_1371 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1371) |c_~#a~0.base|))) (or (< 0 (+ (select (store (store .cse0 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_1373 (+ (select .cse0 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (= |t_funThread1of2ForFork0_~p~0#1.offset| |t_funThread2of2ForFork0_~p~0#1.offset|)))) (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1374 Int) (v_ArrVal_1373 Int) (v_ArrVal_1371 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1371))) (let ((.cse1 (select .cse3 |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (not (= (select (select |c_#pthreadsMutex| |c_~#a~0.base|) (+ |t_funThread2of2ForFork0_~p~0#1.offset| 4)) 0)) (< v_ArrVal_1373 (+ 1 (select .cse1 |c_t_funThread1of2ForFork0_~p~0#1.offset|))) (< 0 (+ 2147483648 (select (select (let ((.cse2 (store .cse3 |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse1 |c_t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373)))) (store .cse2 |c_~#a~0.base| (store (select .cse2 |c_~#a~0.base|) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|))))))) (forall ((v_ArrVal_1374 Int) (v_ArrVal_1373 Int)) (let ((.cse5 (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< 0 (+ (select (select (let ((.cse4 (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse5 |c_t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373)))) (store .cse4 |c_t_funThread2of2ForFork0_~p~0#1.base| (store (select .cse4 |c_t_funThread2of2ForFork0_~p~0#1.base|) |c_t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_1373 (+ (select .cse5 |c_t_funThread1of2ForFork0_~p~0#1.offset|) 1)))))) is different from false [2023-12-02 20:14:54,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:54,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:54,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:54,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:54,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:54,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:54,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:54,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:14:54,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:54,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:14:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:14:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:14:54,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-12-02 20:14:55,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2023-12-02 20:14:55,161 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:55,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:55,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1366898865, now seen corresponding path program 2 times [2023-12-02 20:14:55,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:55,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948676281] [2023-12-02 20:14:55,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:55,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:55,715 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:14:55,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:55,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948676281] [2023-12-02 20:14:55,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948676281] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:55,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869794816] [2023-12-02 20:14:55,716 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:14:55,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:55,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:55,718 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:55,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-12-02 20:14:55,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:14:55,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:14:55,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 20:14:55,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:55,925 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 20:14:56,127 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:14:56,127 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 20:14:56,152 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 20:14:56,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:14:56,332 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 20:14:56,370 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 34 treesize of output 25 [2023-12-02 20:14:56,430 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 20:14:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-12-02 20:14:56,444 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:56,524 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1580 Int) (v_ArrVal_1581 (Array Int Int))) (or (< v_ArrVal_1580 (+ |c_t_funThread1of2ForFork0_#t~post36#1| 1)) (< 0 (+ 2147483648 (select (select (store (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| (store (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1580)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1581) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|))))) is different from false [2023-12-02 20:14:56,543 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1580 Int) (v_ArrVal_1581 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse0 (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< v_ArrVal_1580 (+ (select .cse0 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (< 0 (+ (select (select (store (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse0 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1580)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1581) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648))))) is different from false [2023-12-02 20:14:56,637 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1580 Int) (v_ArrVal_1578 (Array Int Int)) (v_ArrVal_1581 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1578) |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< v_ArrVal_1580 (+ (select .cse0 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (< 0 (+ (select (select (store (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse0 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1580)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1581) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648))))) is different from false [2023-12-02 20:14:56,695 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1580 Int) (v_ArrVal_1578 (Array Int Int)) (v_ArrVal_1581 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1578) |c_~#a~0.base|))) (or (< 0 (+ (select (select (store (store |c_#memory_int| |c_~#a~0.base| (store .cse0 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1580)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1581) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_1580 (+ (select .cse0 |t_funThread1of2ForFork0_~p~0#1.offset|) 1))))) is different from false [2023-12-02 20:14:57,223 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 9 not checked. [2023-12-02 20:14:57,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869794816] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:57,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:57,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 23 [2023-12-02 20:14:57,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99784850] [2023-12-02 20:14:57,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:57,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 20:14:57,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:57,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 20:14:57,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=348, Unknown=7, NotChecked=164, Total=600 [2023-12-02 20:14:57,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:57,225 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:57,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 4.708333333333333) internal successors, (113), 24 states have internal predecessors, (113), 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 20:14:57,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:57,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:57,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:57,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:57,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:57,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:57,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:57,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:14:57,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:57,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:14:57,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:57,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:14:57,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:14:57,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:14:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 20:14:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:14:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:14:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:14:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:14:58,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2023-12-02 20:14:58,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2023-12-02 20:14:58,722 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:14:58,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:14:58,722 INFO L85 PathProgramCache]: Analyzing trace with hash -575806931, now seen corresponding path program 2 times [2023-12-02 20:14:58,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:14:58,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367739537] [2023-12-02 20:14:58,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:14:58,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:14:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:14:59,087 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:14:59,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:14:59,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367739537] [2023-12-02 20:14:59,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367739537] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:14:59,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106518543] [2023-12-02 20:14:59,088 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:14:59,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:14:59,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:14:59,089 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:14:59,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-12-02 20:14:59,234 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:14:59,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:14:59,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 20:14:59,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:14:59,334 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:14:59,334 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 20:14:59,427 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 20:14:59,450 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 20:14:59,485 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 20:14:59,499 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-12-02 20:14:59,499 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:14:59,575 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:14:59,575 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 20:14:59,578 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 20:14:59,683 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-12-02 20:14:59,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106518543] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:14:59,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:14:59,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 21 [2023-12-02 20:14:59,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129028611] [2023-12-02 20:14:59,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:14:59,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-02 20:14:59,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:14:59,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-02 20:14:59,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=411, Unknown=5, NotChecked=0, Total=506 [2023-12-02 20:14:59,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:14:59,685 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:14:59,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 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 20:14:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:14:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:14:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:14:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:14:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:14:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-12-02 20:14:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:14:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:14:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:14:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:14:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:14:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:15:00,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:15:00,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:00,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:15:00,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:15:00,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:00,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:00,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:15:00,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 20:15:00,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:00,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:15:00,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:15:00,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:00,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:15:00,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:15:00,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2023-12-02 20:15:00,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2023-12-02 20:15:00,430 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:15:00,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:15:00,430 INFO L85 PathProgramCache]: Analyzing trace with hash -471250445, now seen corresponding path program 2 times [2023-12-02 20:15:00,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:15:00,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208349615] [2023-12-02 20:15:00,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:00,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:15:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:01,055 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:15:01,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:15:01,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208349615] [2023-12-02 20:15:01,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208349615] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:15:01,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264669525] [2023-12-02 20:15:01,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:15:01,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:15:01,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:15:01,056 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:15:01,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-12-02 20:15:01,227 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:15:01,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:15:01,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 20:15:01,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:15:01,234 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 20:15:01,380 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:15:01,380 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 20:15:01,400 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 20:15:01,468 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 20:15:01,590 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 20:15:01,626 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 20:15:01,737 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 54 treesize of output 43 [2023-12-02 20:15:01,848 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 87 treesize of output 67 [2023-12-02 20:15:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:15:01,927 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:15:06,091 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1766 (Array Int Int)) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1768 Int)) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1766))) (let ((.cse0 (select .cse1 |c_t_funThread2of2ForFork0_~p~0#1.base|))) (or (< v_ArrVal_1768 (+ (select .cse0 |t_funThread2of2ForFork0_~p~0#1.offset|) 1)) (< 0 (+ (select (select (store .cse1 |c_t_funThread2of2ForFork0_~p~0#1.base| (store .cse0 |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1768)) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)))))) is different from false [2023-12-02 20:15:06,109 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1766 (Array Int Int)) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1764 Int) (v_ArrVal_1768 Int)) (let ((.cse1 (store (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| (store (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1764)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1766))) (let ((.cse0 (select .cse1 |c_t_funThread2of2ForFork0_~p~0#1.base|))) (or (< v_ArrVal_1768 (+ (select .cse0 |t_funThread2of2ForFork0_~p~0#1.offset|) 1)) (< v_ArrVal_1764 (+ |c_t_funThread1of2ForFork0_#t~post36#1| 1)) (< 0 (+ (select (select (store .cse1 |c_t_funThread2of2ForFork0_~p~0#1.base| (store .cse0 |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1768)) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)))))) is different from false [2023-12-02 20:15:06,143 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1766 (Array Int Int)) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1764 Int) (|t_funThread1of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1768 Int)) (let ((.cse0 (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|))) (let ((.cse1 (store (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse0 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1764)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1766))) (let ((.cse2 (select .cse1 |c_t_funThread2of2ForFork0_~p~0#1.base|))) (or (< v_ArrVal_1764 (+ (select .cse0 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (< 0 (+ (select (select (store .cse1 |c_t_funThread2of2ForFork0_~p~0#1.base| (store .cse2 |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1768)) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_1768 (+ (select .cse2 |t_funThread2of2ForFork0_~p~0#1.offset|) 1))))))) is different from false [2023-12-02 20:15:06,277 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1766 (Array Int Int)) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1764 Int) (|t_funThread1of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1768 Int)) (let ((.cse0 (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|))) (let ((.cse1 (store (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse0 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1764)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1766))) (let ((.cse2 (select .cse1 |c_~#a~0.base|))) (or (< v_ArrVal_1764 (+ (select .cse0 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (< 0 (+ 2147483648 (select (select (store .cse1 |c_~#a~0.base| (store .cse2 |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1768)) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|))) (< v_ArrVal_1768 (+ (select .cse2 |t_funThread2of2ForFork0_~p~0#1.offset|) 1))))))) is different from false [2023-12-02 20:15:06,311 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1766 (Array Int Int)) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1763 (Array Int Int)) (v_ArrVal_1764 Int) (|t_funThread1of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1768 Int)) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1763) |c_t_funThread1of2ForFork0_~p~0#1.base|))) (let ((.cse0 (store (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse2 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1764)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1766))) (let ((.cse1 (select .cse0 |c_~#a~0.base|))) (or (< 0 (+ (select (select (store .cse0 |c_~#a~0.base| (store .cse1 |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1768)) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_1764 (+ (select .cse2 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (< v_ArrVal_1768 (+ (select .cse1 |t_funThread2of2ForFork0_~p~0#1.offset|) 1))))))) is different from false [2023-12-02 20:15:06,428 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1766 (Array Int Int)) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1763 (Array Int Int)) (v_ArrVal_1764 Int) (|t_funThread1of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1768 Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1763) |c_~#a~0.base|))) (let ((.cse0 (select (store (store |c_#memory_int| |c_~#a~0.base| (store .cse1 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1764)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1766) |c_~#a~0.base|))) (or (< 0 (+ (select (store .cse0 |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1768) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_1764 (+ (select .cse1 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (< v_ArrVal_1768 (+ (select .cse0 |t_funThread2of2ForFork0_~p~0#1.offset|) 1)))))) is different from false [2023-12-02 20:15:07,169 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 9 not checked. [2023-12-02 20:15:07,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264669525] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:15:07,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:15:07,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 30 [2023-12-02 20:15:07,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005262822] [2023-12-02 20:15:07,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:15:07,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-12-02 20:15:07,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:15:07,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-12-02 20:15:07,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=553, Unknown=8, NotChecked=318, Total=992 [2023-12-02 20:15:07,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:07,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:15:07,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 4.225806451612903) internal successors, (131), 31 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:15:07,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:15:07,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:15:07,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:07,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:15:07,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:15:07,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:07,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:07,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:15:07,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-12-02 20:15:07,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:07,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:15:07,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:15:07,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:07,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:15:07,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:15:07,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:09,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:15:09,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:15:09,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:09,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:15:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:15:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:15:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 20:15:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:15:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:15:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:15:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:15:09,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:15:09,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2023-12-02 20:15:09,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2023-12-02 20:15:09,238 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:15:09,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:15:09,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1543599476, now seen corresponding path program 1 times [2023-12-02 20:15:09,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:15:09,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481517618] [2023-12-02 20:15:09,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:09,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:15:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:10,061 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:15:10,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:15:10,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481517618] [2023-12-02 20:15:10,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481517618] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:15:10,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968803295] [2023-12-02 20:15:10,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:10,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:15:10,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:15:10,063 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:15:10,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-12-02 20:15:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:10,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 20:15:10,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:15:10,217 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 20:15:10,358 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:15:10,359 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 20:15:10,380 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 20:15:10,478 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 20:15:10,649 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 20:15:10,694 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 20:15:10,836 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 43 treesize of output 32 [2023-12-02 20:15:11,154 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 89 treesize of output 74 [2023-12-02 20:15:11,304 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 20:15:11,339 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:15:11,339 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:15:11,552 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1880 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1880) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648))) is different from false [2023-12-02 20:15:11,564 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1880 (Array Int Int)) (v_ArrVal_1879 Int)) (or (< v_ArrVal_1879 (+ |c_t_funThread1of2ForFork0_#t~post36#1| 1)) (< 0 (+ (select (select (store (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| (store (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1879)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1880) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)))) is different from false [2023-12-02 20:15:11,584 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1880 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1879 Int)) (let ((.cse0 (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< 0 (+ (select (select (store (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse0 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1879)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1880) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_1879 (+ (select .cse0 |t_funThread1of2ForFork0_~p~0#1.offset|) 1))))) is different from false [2023-12-02 20:15:11,669 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1877 (Array Int Int)) (v_ArrVal_1880 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1879 Int)) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1877) |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< v_ArrVal_1879 (+ (select .cse0 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (< 0 (+ (select (select (store (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse0 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1879)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1880) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648))))) is different from false [2023-12-02 20:15:11,730 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1877 (Array Int Int)) (v_ArrVal_1880 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1879 Int)) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1877) |c_~#a~0.base|))) (or (< 0 (+ (select (select (store (store |c_#memory_int| |c_~#a~0.base| (store .cse0 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1879)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1880) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_1879 (+ (select .cse0 |t_funThread1of2ForFork0_~p~0#1.offset|) 1))))) is different from false [2023-12-02 20:15:12,166 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 9 not checked. [2023-12-02 20:15:12,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968803295] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:15:12,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:15:12,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 11] total 34 [2023-12-02 20:15:12,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744897462] [2023-12-02 20:15:12,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:15:12,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-12-02 20:15:12,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:15:12,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-12-02 20:15:12,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=803, Unknown=5, NotChecked=310, Total=1260 [2023-12-02 20:15:12,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:12,169 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:15:12,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 4.3428571428571425) internal successors, (152), 35 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:15:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:15:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:15:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:15:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:15:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:15:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-12-02 20:15:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:15:12,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:15:12,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:12,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:15:12,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:15:12,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:15:12,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:15,232 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 20:15:18,385 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 20:15:18,748 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1374 Int) (v_ArrVal_1373 Int) (v_ArrVal_1371 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1371) |c_~#a~0.base|))) (or (< 0 (+ (select (store (store .cse0 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_1373 (+ (select .cse0 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (= |t_funThread1of2ForFork0_~p~0#1.offset| |t_funThread2of2ForFork0_~p~0#1.offset|)))) (exists ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_DerPreprocessor_6 Int) (v_DerPreprocessor_5 Int) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse2 ((as const (Array Int Int)) 0))) (let ((.cse1 (select (store (store .cse2 |t_funThread1of2ForFork0_~p~0#1.offset| v_DerPreprocessor_5) |t_funThread2of2ForFork0_~p~0#1.offset| v_DerPreprocessor_6) |t_funThread1of2ForFork0_~p~0#1.offset|))) (and (<= .cse1 |c_t_funThread1of2ForFork0_#t~post40#1|) (not (= |t_funThread1of2ForFork0_~p~0#1.offset| |t_funThread2of2ForFork0_~p~0#1.offset|)) (<= (+ (select .cse2 |t_funThread1of2ForFork0_~p~0#1.offset|) 1) .cse1))))) (= |c_t_funThread2of2ForFork0_~p~0#1.base| |c_t_funThread1of2ForFork0_~p~0#1.base|) (forall ((v_ArrVal_1374 Int) (v_ArrVal_1373 Int)) (let ((.cse4 (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< 0 (+ (select (select (let ((.cse3 (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse4 |c_t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373)))) (store .cse3 |c_t_funThread2of2ForFork0_~p~0#1.base| (store (select .cse3 |c_t_funThread2of2ForFork0_~p~0#1.base|) |c_t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_1373 (+ (select .cse4 |c_t_funThread1of2ForFork0_~p~0#1.offset|) 1))))) (<= 1 (select (select |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|))) is different from false [2023-12-02 20:15:22,176 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 20:15:24,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:15:28,511 WARN L539 Checker$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 20:15:30,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:15:32,534 WARN L539 Checker$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 20:15:34,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:15:36,575 WARN L539 Checker$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 20:15:38,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:15:40,596 WARN L539 Checker$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 20:15:42,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:15:44,783 WARN L539 Checker$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 20:15:46,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:15:48,839 WARN L539 Checker$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 20:15:49,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:15:49,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:15:49,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:49,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:15:49,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:15:49,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:49,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:49,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:15:49,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:15:49,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:49,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:15:49,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:15:49,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:49,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:15:49,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:15:49,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:15:49,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:15:49,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2023-12-02 20:15:49,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2023-12-02 20:15:49,285 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:15:49,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:15:49,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1759990227, now seen corresponding path program 1 times [2023-12-02 20:15:49,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:15:49,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342530677] [2023-12-02 20:15:49,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:49,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:15:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:49,872 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:15:49,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:15:49,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342530677] [2023-12-02 20:15:49,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342530677] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:15:49,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784358676] [2023-12-02 20:15:49,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:49,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:15:49,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:15:49,873 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:15:49,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-12-02 20:15:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:50,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 20:15:50,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:15:50,055 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 20:15:50,215 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:15:50,216 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 20:15:50,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:15:50,270 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 13 treesize of output 9 [2023-12-02 20:15:50,366 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 20:15:50,420 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:15:50,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2023-12-02 20:15:50,535 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 20:15:50,634 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 20:15:50,677 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 48 treesize of output 35 [2023-12-02 20:15:50,756 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 20:15:50,783 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:15:50,783 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:15:50,857 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1986 (Array Int Int)) (v_ArrVal_1984 Int)) (or (< 0 (+ 2147483648 (select (select (store (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| (store (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1984)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1986) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|))) (< v_ArrVal_1984 (+ |c_t_funThread1of2ForFork0_#t~post36#1| 1)))) is different from false [2023-12-02 20:15:50,873 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1986 (Array Int Int)) (v_ArrVal_1984 Int)) (let ((.cse0 (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< 0 (+ 2147483648 (select (select (store (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse0 |c_t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1984)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1986) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|))) (< v_ArrVal_1984 (+ (select .cse0 |c_t_funThread1of2ForFork0_~p~0#1.offset|) 1))))) is different from false [2023-12-02 20:15:50,897 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1986 (Array Int Int)) (v_ArrVal_1983 Int) (v_ArrVal_1984 Int)) (let ((.cse1 (store |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base| (store (select |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base|) |c_t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1983)))) (let ((.cse0 (select .cse1 |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< v_ArrVal_1984 (+ (select .cse0 |c_t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (< 0 (+ (select (select (store (store .cse1 |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse0 |c_t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1984)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1986) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)))))) is different from false [2023-12-02 20:15:51,231 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 18 treesize of output 12 [2023-12-02 20:15:51,255 WARN L854 $PredicateComparison]: unable to prove that (and (or (forall ((v_ArrVal_1986 (Array Int Int)) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1981 (Array Int Int)) (v_ArrVal_1983 Int) (v_ArrVal_1984 Int) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1981))) (let ((.cse0 (store (select .cse2 |c_~#a~0.base|) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1983))) (let ((.cse1 (select (store .cse2 |c_~#a~0.base| .cse0) |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< 0 (+ 2147483648 (select (select (store (store (store |c_#memory_int| |c_~#a~0.base| .cse0) |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse1 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1984)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1986) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|))) (< v_ArrVal_1984 (+ (select .cse1 |t_funThread1of2ForFork0_~p~0#1.offset|) 1))))))) (= |c_~#a~0.base| |c_t_funThread1of2ForFork0_~p~0#1.base|)) (forall ((v_ArrVal_1986 (Array Int Int)) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1981 (Array Int Int)) (v_ArrVal_1983 Int) (v_ArrVal_1984 Int) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1981))) (let ((.cse3 (store (select .cse5 |c_~#a~0.base|) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1983))) (let ((.cse4 (select (store .cse5 |c_~#a~0.base| .cse3) |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< 0 (+ 2147483648 (select (select (store (store (store |c_#memory_int| |c_~#a~0.base| .cse3) |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse4 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1984)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1986) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|))) (= |t_funThread1of2ForFork0_~p~0#1.offset| |t_funThread2of2ForFork0_~p~0#1.offset|) (< v_ArrVal_1984 (+ (select .cse4 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)))))))) is different from false [2023-12-02 20:15:51,270 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1986 (Array Int Int)) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1981 (Array Int Int)) (v_ArrVal_1983 Int) (v_ArrVal_1984 Int) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse0 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1981) |c_~#a~0.base|) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1983))) (or (< 0 (+ (select (select (store (store |c_#memory_int| |c_~#a~0.base| (store .cse0 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1984)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1986) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_1984 (+ (select .cse0 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (= |t_funThread1of2ForFork0_~p~0#1.offset| |t_funThread2of2ForFork0_~p~0#1.offset|)))) is different from false [2023-12-02 20:15:51,836 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 7 not checked. [2023-12-02 20:15:51,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784358676] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:15:51,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:15:51,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 32 [2023-12-02 20:15:51,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671319232] [2023-12-02 20:15:51,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:15:51,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-12-02 20:15:51,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:15:51,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-12-02 20:15:51,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=684, Unknown=14, NotChecked=290, Total=1122 [2023-12-02 20:15:51,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:51,839 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:15:51,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 4.151515151515151) internal successors, (137), 33 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:15:51,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:15:51,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:15:51,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:51,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:15:51,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:15:51,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:51,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:51,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:15:51,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:15:51,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:51,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:15:51,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:15:51,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:51,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:15:51,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:15:51,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:15:51,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:15:51,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:15:54,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:15:54,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:15:54,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:15:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:15:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:15:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:15:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:15:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:15:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:15:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:15:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:15:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:15:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:15:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:15:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:15:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:15:54,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2023-12-02 20:15:55,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2023-12-02 20:15:55,017 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:15:55,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:15:55,017 INFO L85 PathProgramCache]: Analyzing trace with hash 888890866, now seen corresponding path program 2 times [2023-12-02 20:15:55,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:15:55,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127223638] [2023-12-02 20:15:55,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:15:55,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:15:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:15:55,819 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:15:55,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:15:55,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127223638] [2023-12-02 20:15:55,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127223638] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:15:55,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722534074] [2023-12-02 20:15:55,820 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:15:55,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:15:55,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:15:55,821 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:15:55,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-12-02 20:15:55,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:15:55,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:15:55,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 20:15:55,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:15:55,999 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 20:15:56,155 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:15:56,155 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 20:15:56,179 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 20:15:56,238 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 13 treesize of output 9 [2023-12-02 20:15:56,329 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 20:15:56,390 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:15:56,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2023-12-02 20:15:56,514 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 20:15:56,640 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 20:15:56,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 35 [2023-12-02 20:15:56,805 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 55 treesize of output 42 [2023-12-02 20:15:56,890 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 56 treesize of output 44 [2023-12-02 20:15:56,925 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:15:56,925 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:16:03,182 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 18 treesize of output 12 [2023-12-02 20:16:03,399 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2097 Int) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_2100 Int) (|t_funThread2of2ForFork0_#t~post40#1| Int) (v_ArrVal_2101 (Array Int Int)) (v_ArrVal_2096 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse0 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2096) |c_~#a~0.base|) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_2097))) (or (< 0 (+ (select (store (select (store (store |c_#memory_int| |c_~#a~0.base| (store .cse0 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_2100)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2101) |c_~#a~0.base|) |t_funThread2of2ForFork0_~p~0#1.offset| (+ (- 1) |t_funThread2of2ForFork0_#t~post40#1|)) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (= |t_funThread1of2ForFork0_~p~0#1.offset| |t_funThread2of2ForFork0_~p~0#1.offset|) (< v_ArrVal_2100 (+ (select .cse0 |t_funThread1of2ForFork0_~p~0#1.offset|) 1))))) is different from false [2023-12-02 20:16:04,060 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 4 not checked. [2023-12-02 20:16:04,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722534074] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:16:04,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:16:04,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 13] total 36 [2023-12-02 20:16:04,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792505565] [2023-12-02 20:16:04,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:16:04,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-12-02 20:16:04,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:04,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-12-02 20:16:04,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1161, Unknown=26, NotChecked=70, Total=1406 [2023-12-02 20:16:04,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:04,064 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:04,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 4.108108108108108) internal successors, (152), 37 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:16:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:16:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:04,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:16:04,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:04,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:04,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:04,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:16:04,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:04,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:04,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:04,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:16:04,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-12-02 20:16:04,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-12-02 20:16:04,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:10,038 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 20:16:19,581 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base|))) (and (forall ((v_ArrVal_2097 Int) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_2100 Int) (|t_funThread2of2ForFork0_#t~post40#1| Int) (v_ArrVal_2101 (Array Int Int)) (v_ArrVal_2096 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2096))) (let ((.cse2 (store (select .cse3 |c_~#a~0.base|) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_2097))) (let ((.cse0 (select (store .cse3 |c_~#a~0.base| .cse2) |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< v_ArrVal_2100 (+ (select .cse0 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (< 0 (+ (select (select (let ((.cse1 (store .cse0 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_2100))) (store (store (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| .cse1) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2101) |c_~#a~0.base| (store (select (store (store (store |c_#memory_int| |c_~#a~0.base| .cse2) |c_t_funThread1of2ForFork0_~p~0#1.base| .cse1) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2101) |c_~#a~0.base|) |t_funThread2of2ForFork0_~p~0#1.offset| (+ (- 1) |t_funThread2of2ForFork0_#t~post40#1|)))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (= |t_funThread1of2ForFork0_~p~0#1.offset| |t_funThread2of2ForFork0_~p~0#1.offset|)))))) (forall ((v_ArrVal_2097 Int) (v_ArrVal_2100 Int) (|t_funThread2of2ForFork0_#t~post40#1| Int) (v_ArrVal_2101 (Array Int Int))) (let ((.cse6 (store |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base| (store .cse7 |c_t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_2097)))) (let ((.cse4 (select .cse6 |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< v_ArrVal_2100 (+ (select .cse4 |c_t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (< 0 (+ (select (select (let ((.cse5 (store .cse4 |c_t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_2100))) (store (store (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| .cse5) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2101) |c_t_funThread2of2ForFork0_~p~0#1.base| (store (select (store (store .cse6 |c_t_funThread1of2ForFork0_~p~0#1.base| .cse5) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2101) |c_t_funThread2of2ForFork0_~p~0#1.base|) |c_t_funThread2of2ForFork0_~p~0#1.offset| (+ (- 1) |t_funThread2of2ForFork0_#t~post40#1|)))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)))))) (forall ((|t_funThread2of2ForFork0_#t~post40#1| Int) (v_ArrVal_2101 (Array Int Int))) (< 0 (+ (select (select (let ((.cse8 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2101))) (store .cse8 |c_t_funThread2of2ForFork0_~p~0#1.base| (store (select .cse8 |c_t_funThread2of2ForFork0_~p~0#1.base|) |c_t_funThread2of2ForFork0_~p~0#1.offset| (+ (- 1) |t_funThread2of2ForFork0_#t~post40#1|)))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648))) (forall ((|t_funThread2of2ForFork0_#t~post40#1| Int)) (< 0 (+ (select (select (store |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base| (store .cse7 |c_t_funThread2of2ForFork0_~p~0#1.offset| (+ (- 1) |t_funThread2of2ForFork0_#t~post40#1|))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648))) (forall ((v_ArrVal_2100 Int) (|t_funThread2of2ForFork0_#t~post40#1| Int) (v_ArrVal_2101 (Array Int Int))) (let ((.cse10 (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< 0 (+ (select (select (let ((.cse9 (store (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse10 |c_t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_2100)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2101))) (store .cse9 |c_t_funThread2of2ForFork0_~p~0#1.base| (store (select .cse9 |c_t_funThread2of2ForFork0_~p~0#1.base|) |c_t_funThread2of2ForFork0_~p~0#1.offset| (+ (- 1) |t_funThread2of2ForFork0_#t~post40#1|)))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_2100 (+ (select .cse10 |c_t_funThread1of2ForFork0_~p~0#1.offset|) 1))))) (or (forall ((v_ArrVal_2097 Int) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_2100 Int) (|t_funThread2of2ForFork0_#t~post40#1| Int) (v_ArrVal_2101 (Array Int Int)) (v_ArrVal_2096 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2096))) (let ((.cse13 (store (select .cse14 |c_~#a~0.base|) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_2097))) (let ((.cse11 (select (store .cse14 |c_~#a~0.base| .cse13) |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< v_ArrVal_2100 (+ (select .cse11 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (< 0 (+ (select (select (let ((.cse12 (store .cse11 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_2100))) (store (store (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| .cse12) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2101) |c_~#a~0.base| (store (select (store (store (store |c_#memory_int| |c_~#a~0.base| .cse13) |c_t_funThread1of2ForFork0_~p~0#1.base| .cse12) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2101) |c_~#a~0.base|) |t_funThread2of2ForFork0_~p~0#1.offset| (+ (- 1) |t_funThread2of2ForFork0_#t~post40#1|)))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648))))))) (= |c_~#a~0.base| |c_t_funThread1of2ForFork0_~p~0#1.base|)))) is different from false [2023-12-02 20:16:23,644 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 20:16:27,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:16:29,841 WARN L539 Checker$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 20:16:32,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:16:43,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:16:44,562 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 [0, 1] [2023-12-02 20:16:49,518 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse15 (select |c_#memory_int| 4))) (let ((.cse10 ((as const (Array Int Int)) 0)) (.cse11 (select .cse15 |c_t_funThread1of2ForFork0_~p~0#1.offset|))) (and (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int)) (or (not (= 0 (select (select |c_#pthreadsMutex| |c_t_funThread2of2ForFork0_~p~0#1.base|) (+ |t_funThread2of2ForFork0_~p~0#1.offset| 4)))) (forall ((v_ArrVal_1374 Int) (v_ArrVal_1373 Int) (v_ArrVal_1371 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1371))) (let ((.cse2 (select .cse1 |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< 0 (+ (select (select (let ((.cse0 (store .cse1 |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse2 |c_t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373)))) (store .cse0 |c_t_funThread2of2ForFork0_~p~0#1.base| (store (select .cse0 |c_t_funThread2of2ForFork0_~p~0#1.base|) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_1373 (+ 1 (select .cse2 |c_t_funThread1of2ForFork0_~p~0#1.offset|))))))))) (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1374 Int) (v_ArrVal_1373 Int) (v_ArrVal_1371 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse3 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1371) |c_~#a~0.base|))) (or (< 0 (+ (select (store (store .cse3 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_1373 (+ (select .cse3 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (= |t_funThread1of2ForFork0_~p~0#1.offset| |t_funThread2of2ForFork0_~p~0#1.offset|)))) (forall ((v_ArrVal_1373 Int) (v_ArrVal_1371 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1371))) (let ((.cse4 (select .cse6 |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< v_ArrVal_1373 (+ (select .cse4 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1374 Int)) (or (< 0 (+ (select (select (let ((.cse5 (store .cse6 |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse4 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373)))) (store .cse5 |c_~#a~0.base| (store (select .cse5 |c_~#a~0.base|) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (= |t_funThread1of2ForFork0_~p~0#1.offset| |t_funThread2of2ForFork0_~p~0#1.offset|))))))) (= 4 |c_t_funThread1of2ForFork0_~p~0#1.base|) (or (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1374 Int) (v_ArrVal_1373 Int) (v_ArrVal_1371 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse8 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1371))) (let ((.cse9 (select .cse8 |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< 0 (+ (select (select (let ((.cse7 (store .cse8 |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse9 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373)))) (store .cse7 |c_~#a~0.base| (store (select .cse7 |c_~#a~0.base|) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_1373 (+ (select .cse9 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)))))) (= |c_~#a~0.base| |c_t_funThread1of2ForFork0_~p~0#1.base|)) (<= (+ (select .cse10 |c_t_funThread1of2ForFork0_~p~0#1.offset|) 1) .cse11) (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1374 Int) (v_ArrVal_1373 Int) (v_ArrVal_1371 (Array Int Int))) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1371))) (let ((.cse12 (select .cse14 |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (not (= (select (select |c_#pthreadsMutex| |c_~#a~0.base|) (+ |t_funThread2of2ForFork0_~p~0#1.offset| 4)) 0)) (< v_ArrVal_1373 (+ 1 (select .cse12 |c_t_funThread1of2ForFork0_~p~0#1.offset|))) (< 0 (+ 2147483648 (select (select (let ((.cse13 (store .cse14 |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse12 |c_t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373)))) (store .cse13 |c_~#a~0.base| (store (select .cse13 |c_~#a~0.base|) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|))))))) (= |c_t_funThread2of2ForFork0_~p~0#1.base| |c_t_funThread1of2ForFork0_~p~0#1.base|) (exists ((|t_funThread2of2ForFork0_~p~0#1.offset| Int)) (and (= (store (store .cse10 |c_t_funThread1of2ForFork0_~p~0#1.offset| .cse11) |t_funThread2of2ForFork0_~p~0#1.offset| (select .cse15 |t_funThread2of2ForFork0_~p~0#1.offset|)) .cse15) (not (= |t_funThread2of2ForFork0_~p~0#1.offset| |c_t_funThread1of2ForFork0_~p~0#1.offset|)))) (<= 1 (select (select |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|)) (forall ((|v_ULTIMATE.start_main_~#t_ids~0#1.base_60| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_~#t_ids~0#1.base_60|) 0)) (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1374 Int) (v_ArrVal_1373 Int) (v_ArrVal_1371 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse16 (select (store |c_#memory_int| |v_ULTIMATE.start_main_~#t_ids~0#1.base_60| v_ArrVal_1371) |c_~#a~0.base|))) (or (< v_ArrVal_1373 (+ (select .cse16 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (< 0 (+ (select (store (store .cse16 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (= |t_funThread1of2ForFork0_~p~0#1.offset| |t_funThread2of2ForFork0_~p~0#1.offset|))))))))) is different from false [2023-12-02 20:16:51,507 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1374 Int) (v_ArrVal_1373 Int) (v_ArrVal_1371 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1371) |c_~#a~0.base|))) (or (< 0 (+ (select (store (store .cse0 |t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_1373 (+ (select .cse0 |t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (= |t_funThread1of2ForFork0_~p~0#1.offset| |t_funThread2of2ForFork0_~p~0#1.offset|)))) (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_1374 Int) (v_ArrVal_1373 Int) (v_ArrVal_1371 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1371))) (let ((.cse1 (select .cse3 |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (not (= (select (select |c_#pthreadsMutex| |c_~#a~0.base|) (+ |t_funThread2of2ForFork0_~p~0#1.offset| 4)) 0)) (< v_ArrVal_1373 (+ 1 (select .cse1 |c_t_funThread1of2ForFork0_~p~0#1.offset|))) (< 0 (+ 2147483648 (select (select (let ((.cse2 (store .cse3 |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse1 |c_t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_1373)))) (store .cse2 |c_~#a~0.base| (store (select .cse2 |c_~#a~0.base|) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_1374))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|)))))))) is different from false [2023-12-02 20:16:53,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:16:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:16:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:16:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-12-02 20:16:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:16:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:16:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-02 20:16:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-02 20:16:53,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2023-12-02 20:16:53,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2023-12-02 20:16:53,394 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:16:53,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:53,394 INFO L85 PathProgramCache]: Analyzing trace with hash -300202941, now seen corresponding path program 3 times [2023-12-02 20:16:53,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:53,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091133482] [2023-12-02 20:16:53,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:53,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:54,043 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:16:54,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:54,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091133482] [2023-12-02 20:16:54,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091133482] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:16:54,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73950246] [2023-12-02 20:16:54,044 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:16:54,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:54,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:54,045 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:16:54,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-12-02 20:16:54,241 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-12-02 20:16:54,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:16:54,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 20:16:54,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:16:54,248 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 20:16:54,421 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:16:54,421 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 20:16:54,444 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 20:16:54,531 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 20:16:54,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 20:16:54,703 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 21 treesize of output 16 [2023-12-02 20:16:54,800 INFO L349 Elim1Store]: treesize reduction 16, result has 55.6 percent of original size [2023-12-02 20:16:54,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 37 [2023-12-02 20:16:54,844 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 20 treesize of output 12 [2023-12-02 20:16:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:16:54,857 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:16:59,029 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_2201 (Array Int Int)) (v_ArrVal_2203 Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2201))) (let ((.cse1 (select .cse0 |c_t_funThread2of2ForFork0_~p~0#1.base|))) (or (< 0 (+ (select (select (store .cse0 |c_t_funThread2of2ForFork0_~p~0#1.base| (store .cse1 |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_2203)) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_2203 (+ (select .cse1 |t_funThread2of2ForFork0_~p~0#1.offset|) 1)))))) is different from false [2023-12-02 20:16:59,097 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:16:59,097 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 60 treesize of output 44 [2023-12-02 20:16:59,106 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:16:59,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 180 treesize of output 176 [2023-12-02 20:16:59,123 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:16:59,123 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 171 treesize of output 169 [2023-12-02 20:16:59,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 55 [2023-12-02 20:16:59,272 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:16:59,272 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 115 treesize of output 115 [2023-12-02 20:16:59,958 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 2 not checked. [2023-12-02 20:16:59,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73950246] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:16:59,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:16:59,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 30 [2023-12-02 20:16:59,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786219171] [2023-12-02 20:16:59,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:16:59,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-12-02 20:16:59,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:59,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-12-02 20:16:59,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=805, Unknown=3, NotChecked=58, Total=992 [2023-12-02 20:16:59,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:59,961 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:59,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 4.225806451612903) internal successors, (131), 31 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:59,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:59,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:16:59,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:59,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:16:59,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:16:59,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:59,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:59,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:16:59,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:16:59,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:59,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:59,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-12-02 20:16:59,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:59,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:16:59,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:16:59,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:16:59,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:16:59,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-12-02 20:16:59,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-12-02 20:16:59,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:17:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:17:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:17:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-12-02 20:17:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:03,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:03,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:17:03,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:03,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-02 20:17:03,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-02 20:17:03,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:03,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2023-12-02 20:17:03,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2023-12-02 20:17:03,352 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:17:03,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:17:03,352 INFO L85 PathProgramCache]: Analyzing trace with hash 81805604, now seen corresponding path program 3 times [2023-12-02 20:17:03,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:17:03,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309861035] [2023-12-02 20:17:03,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:17:03,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:17:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:17:04,123 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:17:04,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:17:04,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309861035] [2023-12-02 20:17:04,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309861035] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:17:04,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965643173] [2023-12-02 20:17:04,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:17:04,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:17:04,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:17:04,125 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:17:04,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2023-12-02 20:17:04,352 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-12-02 20:17:04,352 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:17:04,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-02 20:17:04,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:17:04,372 INFO L349 Elim1Store]: treesize reduction 12, result has 42.9 percent of original size [2023-12-02 20:17:04,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 23 [2023-12-02 20:17:04,541 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:17:04,542 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 20:17:04,568 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 20:17:04,713 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 20:17:04,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 20:17:04,941 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 21 treesize of output 16 [2023-12-02 20:17:05,073 INFO L349 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2023-12-02 20:17:05,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 37 [2023-12-02 20:17:05,320 INFO L349 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2023-12-02 20:17:05,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 55 [2023-12-02 20:17:05,372 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 20 treesize of output 12 [2023-12-02 20:17:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:17:05,393 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:17:05,592 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2314 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2314) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648))) is different from false [2023-12-02 20:17:05,609 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:17:05,609 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 20 treesize of output 21 [2023-12-02 20:17:05,612 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 35 treesize of output 27 [2023-12-02 20:17:05,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-12-02 20:17:06,058 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 2 not checked. [2023-12-02 20:17:06,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965643173] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:17:06,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:17:06,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 10] total 34 [2023-12-02 20:17:06,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128628812] [2023-12-02 20:17:06,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:17:06,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-12-02 20:17:06,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:17:06,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-12-02 20:17:06,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1043, Unknown=1, NotChecked=66, Total=1260 [2023-12-02 20:17:06,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:06,061 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:17:06,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 4.3428571428571425) internal successors, (152), 35 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:17:06,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:06,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:06,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:06,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:17:06,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:17:06,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:06,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:06,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:17:06,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-12-02 20:17:06,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:06,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:06,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-12-02 20:17:06,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:06,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:06,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:06,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:17:06,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 20:17:06,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-12-02 20:17:06,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-12-02 20:17:06,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:17:06,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:12,067 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1184 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1184) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|))))) is different from false [2023-12-02 20:17:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:17:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:17:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:17:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-12-02 20:17:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:17:13,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:17:13,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:17:13,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-02 20:17:13,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:17:13,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-12-02 20:17:13,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2023-12-02 20:17:13,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2023-12-02 20:17:13,533 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:17:13,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:17:13,534 INFO L85 PathProgramCache]: Analyzing trace with hash -457459081, now seen corresponding path program 4 times [2023-12-02 20:17:13,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:17:13,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669556119] [2023-12-02 20:17:13,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:17:13,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:17:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:17:14,260 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:17:14,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:17:14,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669556119] [2023-12-02 20:17:14,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669556119] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:17:14,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837686274] [2023-12-02 20:17:14,261 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 20:17:14,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:17:14,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:17:14,262 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:17:14,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2023-12-02 20:17:14,450 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 20:17:14,450 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:17:14,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 20:17:14,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:17:14,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-02 20:17:14,695 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:17:14,695 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 20:17:14,727 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 20:17:14,781 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 13 treesize of output 9 [2023-12-02 20:17:14,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:17:15,003 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 20:17:15,047 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 20:17:15,132 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:17:15,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2023-12-02 20:17:15,364 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 41 treesize of output 32 [2023-12-02 20:17:15,442 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 41 treesize of output 30 [2023-12-02 20:17:15,536 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 40 treesize of output 30 [2023-12-02 20:17:15,593 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:17:15,593 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:17:16,244 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2418 (Array Int Int)) (v_ArrVal_2415 (Array Int Int)) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_2420 Int) (v_ArrVal_2421 (Array Int Int)) (v_ArrVal_2416 Int)) (let ((.cse0 (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|))) (or (< v_ArrVal_2416 (+ (select .cse0 |c_t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (< 0 (+ (select (select (store (let ((.cse1 (store |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base| (store .cse0 |c_t_funThread1of2ForFork0_~p~0#1.offset| v_ArrVal_2416)))) (store .cse1 |c_~#a~0.base| (store (select (store .cse1 |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2418) |c_~#a~0.base|) |t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_2420))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2421) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648)) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_2415) |c_~#a~0.base|) (+ |t_funThread2of2ForFork0_~p~0#1.offset| 4)) 0))))) is different from false [2023-12-02 20:17:16,360 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:17:16,361 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 23 treesize of output 24 [2023-12-02 20:17:16,376 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:17:16,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2023-12-02 20:17:16,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2023-12-02 20:17:36,287 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 3 not checked. [2023-12-02 20:17:36,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837686274] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:17:36,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:17:36,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 14] total 36 [2023-12-02 20:17:36,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008475081] [2023-12-02 20:17:36,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:17:36,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-12-02 20:17:36,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:17:36,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-12-02 20:17:36,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1142, Unknown=30, NotChecked=70, Total=1406 [2023-12-02 20:17:36,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:36,290 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:17:36,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 3.5405405405405403) internal successors, (131), 37 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:17:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:17:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:17:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:17:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:17:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:17:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-12-02 20:17:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:17:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:17:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-12-02 20:17:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:17:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:17:36,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:17:36,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:17:36,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-12-02 20:17:36,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-12-02 20:17:36,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:17:36,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-12-02 20:17:36,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:41,416 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 20:17:43,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:18:09,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:18:10,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:18:21,570 WARN L539 Checker$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 20:18:23,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:18:32,271 WARN L539 Checker$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 20:18:34,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:18:36,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:18:38,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:18:40,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:18:48,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:18:50,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:18:52,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:18:54,701 WARN L539 Checker$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 20:18:56,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:18:58,717 WARN L539 Checker$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 20:19:00,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:19:02,749 WARN L539 Checker$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 20:19:04,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:19:06,765 WARN L539 Checker$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 20:19:08,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:19:10,785 WARN L539 Checker$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 20:19:12,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:19:14,816 WARN L539 Checker$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 20:19:16,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:19:18,887 WARN L539 Checker$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 20:19:20,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:19:23,187 WARN L539 Checker$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 20:19:25,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:19:27,228 WARN L539 Checker$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 20:19:29,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:19:38,417 WARN L539 Checker$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 20:19:40,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:19:42,886 WARN L539 Checker$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 20:19:46,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:19:48,751 WARN L539 Checker$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 20:19:51,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:19:53,281 WARN L539 Checker$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 20:19:55,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:19:59,126 WARN L539 Checker$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 20:20:01,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:20:03,691 WARN L539 Checker$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 20:20:05,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:20:07,746 WARN L539 Checker$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 20:20:09,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:20:11,757 WARN L539 Checker$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 20:20:13,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:20:15,771 WARN L539 Checker$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 20:20:17,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:20:19,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:20:21,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:20:23,435 WARN L539 Checker$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 20:20:40,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:20:42,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:21:01,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:21:20,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:21:22,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:21:26,950 WARN L539 Checker$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 20:21:33,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:21:35,768 WARN L539 Checker$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 20:21:37,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:21:50,331 WARN L539 Checker$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 20:21:52,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:21:54,533 WARN L539 Checker$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 20:21:56,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:21:58,697 WARN L539 Checker$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 20:22:00,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:02,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:04,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:06,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:25,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:31,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:33,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:35,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:37,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:39,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:41,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:43,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:45,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:49,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:51,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:53,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:55,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:57,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:22:59,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:23:01,090 WARN L539 Checker$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 20:23:03,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:23:05,140 WARN L539 Checker$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 20:23:07,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:23:09,175 WARN L539 Checker$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 20:23:17,726 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1184 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1184) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((v_ArrVal_1184 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1184) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (<= 1 |c_t_funThread1of2ForFork0_#t~post40#1|) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|))))) is different from false [2023-12-02 20:23:20,825 WARN L539 Checker$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 20:23:23,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:23:25,617 WARN L539 Checker$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 20:23:41,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:23:43,286 WARN L539 Checker$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 20:23:45,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:23:47,743 WARN L539 Checker$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 20:24:12,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:24:14,563 WARN L539 Checker$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 20:24:16,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:24:18,604 WARN L539 Checker$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 20:24:21,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:24:24,863 WARN L539 Checker$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 20:24:27,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:24:29,634 WARN L539 Checker$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 20:24:31,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:24:34,434 WARN L539 Checker$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 20:24:36,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:24:39,043 WARN L539 Checker$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 20:24:41,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:24:43,086 WARN L539 Checker$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 20:24:45,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:24:47,182 WARN L539 Checker$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 20:24:51,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:24:53,699 WARN L539 Checker$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 20:24:55,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:24:57,819 WARN L539 Checker$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 20:24:59,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:25:12,950 WARN L539 Checker$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 20:25:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:25:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:25:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:25:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:25:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:25:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:25:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-12-02 20:25:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:25:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:25:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:25:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:25:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:25:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:25:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:25:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:25:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:25:19,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:25:19,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2023-12-02 20:25:19,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2023-12-02 20:25:19,391 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:25:19,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:25:19,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1651125409, now seen corresponding path program 1 times [2023-12-02 20:25:19,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:25:19,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970381039] [2023-12-02 20:25:19,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:25:19,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:25:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:25:20,106 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:25:20,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:25:20,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970381039] [2023-12-02 20:25:20,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970381039] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:25:20,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258667459] [2023-12-02 20:25:20,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:25:20,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:25:20,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:25:20,108 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:25:20,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2023-12-02 20:25:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:25:20,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 20:25:20,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:25:20,292 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 20:25:20,633 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:25:20,633 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 20:25:20,685 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 20:25:20,810 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 20:25:21,004 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 20:25:21,152 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 24 treesize of output 17 [2023-12-02 20:25:21,382 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 32 treesize of output 25 [2023-12-02 20:25:21,496 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 20 treesize of output 16 [2023-12-02 20:25:21,544 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:25:21,544 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:25:22,604 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-12-02 20:25:22,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258667459] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:25:22,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:25:22,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 8] total 27 [2023-12-02 20:25:22,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149327035] [2023-12-02 20:25:22,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:25:22,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-12-02 20:25:22,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:25:22,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-12-02 20:25:22,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=682, Unknown=13, NotChecked=0, Total=812 [2023-12-02 20:25:22,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:25:22,606 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:25:22,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 5.25) internal successors, (147), 28 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 20:25:22,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:22,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:25:22,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:25:22,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:25:28,486 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|))) (and (< 0 (+ 2147483649 (select .cse0 |c_t_funThread1of2ForFork0_~p~0#1.offset|))) (forall ((|v_ULTIMATE.start_main_~#t_ids~0#1.base_71| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_~#t_ids~0#1.base_71|) 0)) (forall ((v_ArrVal_2523 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_~#t_ids~0#1.base_71| v_ArrVal_2523) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))))) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ (select (select (store |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base| (store (select |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base|) |c_t_funThread2of2ForFork0_~p~0#1.offset| |c_t_funThread2of2ForFork0_#t~post36#1|)) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483650))) (forall ((v_ArrVal_2523 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2523) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((v_ArrVal_2523 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2523) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483650 (select .cse0 |t_funThread1of2ForFork0_~p~0#1.offset|)))))) is different from false [2023-12-02 20:25:29,301 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_2523 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2523) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483650 (select (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|))))) is different from false [2023-12-02 20:25:29,667 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ (select (select (store |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base| (store (select |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base|) |c_t_funThread2of2ForFork0_~p~0#1.offset| (+ (- 1) |c_t_funThread2of2ForFork0_#t~post40#1|))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483650))) (forall ((v_ArrVal_2523 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2523) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483650 (select (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|))))) is different from false [2023-12-02 20:25:32,383 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|))) (and (< 0 (+ 2147483649 (select .cse0 |c_t_funThread1of2ForFork0_~p~0#1.offset|))) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ (select (select (store |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base| (store (select |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base|) |c_t_funThread2of2ForFork0_~p~0#1.offset| |c_t_funThread2of2ForFork0_#t~post36#1|)) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483650))) (forall ((v_ArrVal_2523 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2523) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((v_ArrVal_2523 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2523) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483650 (select .cse0 |t_funThread1of2ForFork0_~p~0#1.offset|)))))) is different from false [2023-12-02 20:25:32,409 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_2523 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2523) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((v_ArrVal_2523 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2523) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483650 (select (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|))))) is different from false [2023-12-02 20:25:34,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:34,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:25:34,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:34,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:25:34,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:25:34,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:34,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:34,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:25:34,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:25:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:25:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-12-02 20:25:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:25:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:25:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:25:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:25:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:25:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:25:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:25:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:25:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:25:34,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:25:34,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-02 20:25:34,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2023-12-02 20:25:34,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2023-12-02 20:25:34,477 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:25:34,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:25:34,478 INFO L85 PathProgramCache]: Analyzing trace with hash -354718663, now seen corresponding path program 1 times [2023-12-02 20:25:34,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:25:34,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365516223] [2023-12-02 20:25:34,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:25:34,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:25:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:25:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:25:35,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:25:35,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365516223] [2023-12-02 20:25:35,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365516223] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:25:35,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654907885] [2023-12-02 20:25:35,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:25:35,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:25:35,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:25:35,292 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:25:35,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2023-12-02 20:25:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:25:35,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 20:25:35,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:25:35,485 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 20:25:35,806 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:25:35,807 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 20:25:35,860 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 20:25:35,982 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 20:25:36,147 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 20:25:36,290 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 24 treesize of output 17 [2023-12-02 20:25:36,512 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 32 treesize of output 25 [2023-12-02 20:25:36,618 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 20 treesize of output 16 [2023-12-02 20:25:36,655 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:25:36,655 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:25:37,099 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_2628 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2628) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483647)) is different from false [2023-12-02 20:25:37,160 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_2628 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2628) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483647)) is different from false [2023-12-02 20:25:37,498 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 5 not checked. [2023-12-02 20:25:37,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654907885] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:25:37,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:25:37,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 8] total 27 [2023-12-02 20:25:37,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46137985] [2023-12-02 20:25:37,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:25:37,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-12-02 20:25:37,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:25:37,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-12-02 20:25:37,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=589, Unknown=2, NotChecked=102, Total=812 [2023-12-02 20:25:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:25:37,501 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:25:37,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 5.142857142857143) internal successors, (144), 28 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:25:37,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:37,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:25:37,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:25:37,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-12-02 20:25:37,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-12-02 20:25:37,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:25:44,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:44,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:25:44,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:44,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:25:44,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:25:44,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:25:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:25:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:25:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-12-02 20:25:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:25:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:25:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:25:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:25:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:25:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:25:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:25:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:25:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:25:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-12-02 20:25:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-02 20:25:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-02 20:25:44,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2023-12-02 20:25:44,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:25:44,303 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:25:44,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:25:44,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1634188363, now seen corresponding path program 1 times [2023-12-02 20:25:44,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:25:44,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152821052] [2023-12-02 20:25:44,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:25:44,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:25:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:25:45,196 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:25:45,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:25:45,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152821052] [2023-12-02 20:25:45,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152821052] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:25:45,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264051823] [2023-12-02 20:25:45,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:25:45,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:25:45,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:25:45,198 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:25:45,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2023-12-02 20:25:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:25:45,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 20:25:45,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:25:45,403 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 20:25:45,703 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:25:45,703 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 20:25:45,766 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 20:25:45,898 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 20:25:46,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:25:46,264 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 24 treesize of output 17 [2023-12-02 20:25:46,494 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 32 treesize of output 25 [2023-12-02 20:25:46,718 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 41 treesize of output 34 [2023-12-02 20:25:46,871 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 45 treesize of output 37 [2023-12-02 20:25:46,911 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:25:46,911 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:25:48,196 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-12-02 20:25:48,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264051823] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:25:48,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:25:48,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 10] total 33 [2023-12-02 20:25:48,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141787655] [2023-12-02 20:25:48,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:25:48,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-12-02 20:25:48,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:25:48,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-12-02 20:25:48,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1012, Unknown=11, NotChecked=0, Total=1190 [2023-12-02 20:25:48,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:25:48,198 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:25:48,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 4.794117647058823) internal successors, (163), 34 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-12-02 20:25:48,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:25:49,857 WARN L854 $PredicateComparison]: unable to prove that (and (<= 1 |c_t_funThread1of2ForFork0_#t~post40#1|) (= 4 |c_t_funThread1of2ForFork0_~p~0#1.base|) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|v_ULTIMATE.start_main_~#t_ids~0#1.base_73| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_~#t_ids~0#1.base_73|) 0)) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_~#t_ids~0#1.base_73| v_ArrVal_2745) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))))) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (exists ((|t_funThread2of2ForFork0_~p~0#1.offset| Int)) (let ((.cse2 (select |c_#memory_int| 4))) (let ((.cse0 (let ((.cse3 ((as const (Array Int Int)) 0))) (store .cse3 |t_funThread2of2ForFork0_~p~0#1.offset| (select .cse3 |t_funThread2of2ForFork0_~p~0#1.offset|)))) (.cse1 (select .cse2 |c_t_funThread1of2ForFork0_~p~0#1.offset|))) (and (<= (+ (select .cse0 |c_t_funThread1of2ForFork0_~p~0#1.offset|) 1) .cse1) (= (store .cse0 |c_t_funThread1of2ForFork0_~p~0#1.offset| .cse1) .cse2)))))) is different from false [2023-12-02 20:25:50,038 WARN L854 $PredicateComparison]: unable to prove that (and (= 4 |c_t_funThread1of2ForFork0_~p~0#1.base|) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|v_ULTIMATE.start_main_~#t_ids~0#1.base_73| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_~#t_ids~0#1.base_73|) 0)) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_~#t_ids~0#1.base_73| v_ArrVal_2745) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))))) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base| (store (select |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base|) |c_t_funThread2of2ForFork0_~p~0#1.offset| |c_t_funThread2of2ForFork0_#t~post36#1|)) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (exists ((|t_funThread2of2ForFork0_~p~0#1.offset| Int)) (let ((.cse2 (select |c_#memory_int| 4))) (let ((.cse0 (let ((.cse3 ((as const (Array Int Int)) 0))) (store .cse3 |t_funThread2of2ForFork0_~p~0#1.offset| (select .cse3 |t_funThread2of2ForFork0_~p~0#1.offset|)))) (.cse1 (select .cse2 |c_t_funThread1of2ForFork0_~p~0#1.offset|))) (and (<= (+ (select .cse0 |c_t_funThread1of2ForFork0_~p~0#1.offset|) 1) .cse1) (= (store .cse0 |c_t_funThread1of2ForFork0_~p~0#1.offset| .cse1) .cse2)))))) is different from false [2023-12-02 20:25:52,514 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| 4)) (.cse0 ((as const (Array Int Int)) 0))) (and (or (and (not (= (select (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 0)) (<= 0 |c_t_funThread1of2ForFork0_#t~post36#1|)) (= |c_t_funThread1of2ForFork0_#t~post36#1| 0)) (= (store .cse0 |c_t_funThread2of2ForFork0_~p~0#1.offset| (+ (select .cse0 |c_t_funThread2of2ForFork0_~p~0#1.offset|) 1)) .cse1) (= 4 |c_t_funThread1of2ForFork0_~p~0#1.base|) (= |c_t_funThread2of2ForFork0_~p~0#1.base| 4) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|v_ULTIMATE.start_main_~#t_ids~0#1.base_73| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_~#t_ids~0#1.base_73|) 0)) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_~#t_ids~0#1.base_73| v_ArrVal_2745) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))))) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (exists ((|t_funThread2of2ForFork0_~p~0#1.offset| Int)) (let ((.cse2 (store .cse0 |t_funThread2of2ForFork0_~p~0#1.offset| (select .cse0 |t_funThread2of2ForFork0_~p~0#1.offset|))) (.cse3 (select .cse1 |c_t_funThread1of2ForFork0_~p~0#1.offset|))) (and (<= (+ (select .cse2 |c_t_funThread1of2ForFork0_~p~0#1.offset|) 1) .cse3) (= (store .cse2 |c_t_funThread1of2ForFork0_~p~0#1.offset| .cse3) .cse1)))))) is different from false [2023-12-02 20:25:53,992 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| 4))) (and (= (let ((.cse0 ((as const (Array Int Int)) 0))) (store .cse0 |c_t_funThread2of2ForFork0_~p~0#1.offset| (+ (select .cse0 |c_t_funThread2of2ForFork0_~p~0#1.offset|) 1))) .cse1) (= (select .cse1 |c_t_funThread2of2ForFork0_~p~0#1.offset|) |c_t_funThread2of2ForFork0_#t~post40#1|) (= 4 |c_t_funThread1of2ForFork0_~p~0#1.base|) (= |c_t_funThread2of2ForFork0_~p~0#1.base| 4) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|v_ULTIMATE.start_main_~#t_ids~0#1.base_73| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_~#t_ids~0#1.base_73|) 0)) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_~#t_ids~0#1.base_73| v_ArrVal_2745) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))))) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))))) is different from false [2023-12-02 20:25:56,417 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|))) (and (< 0 (+ (select .cse0 |c_t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base| (store (select |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base|) |c_t_funThread2of2ForFork0_~p~0#1.offset| |c_t_funThread2of2ForFork0_#t~post36#1|)) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select .cse0 |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))))) is different from false [2023-12-02 20:25:56,695 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|))))) is different from false [2023-12-02 20:25:57,510 WARN L854 $PredicateComparison]: unable to prove that (and (or (and (not (= (select (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 0)) (<= 0 |c_t_funThread1of2ForFork0_#t~post36#1|)) (= |c_t_funThread1of2ForFork0_#t~post36#1| 0)) (= (let ((.cse0 ((as const (Array Int Int)) 0))) (store .cse0 |c_t_funThread2of2ForFork0_~p~0#1.offset| (+ (select .cse0 |c_t_funThread2of2ForFork0_~p~0#1.offset|) 1))) (select |c_#memory_int| 4)) (= 4 |c_t_funThread1of2ForFork0_~p~0#1.base|) (= |c_t_funThread2of2ForFork0_~p~0#1.base| 4) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|))))) is different from false [2023-12-02 20:26:00,922 WARN L854 $PredicateComparison]: unable to prove that (and (<= 0 (+ |c_t_funThread1of2ForFork0_#t~post40#1| 2147483647)) (< 0 (+ (select (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 1)) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base| (let ((.cse0 (select |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base|))) (store .cse0 |c_t_funThread2of2ForFork0_~p~0#1.offset| (+ (- 1) (select .cse0 |c_t_funThread2of2ForFork0_~p~0#1.offset|))))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|))))) is different from false [2023-12-02 20:26:04,033 WARN L854 $PredicateComparison]: unable to prove that (and (<= 0 (+ |c_t_funThread1of2ForFork0_#t~post40#1| 2147483647)) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|))))) is different from false [2023-12-02 20:26:04,359 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base| (store (select |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base|) |c_t_funThread2of2ForFork0_~p~0#1.offset| |c_t_funThread2of2ForFork0_#t~post36#1|)) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|))))) is different from false [2023-12-02 20:26:04,376 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base| (let ((.cse0 (select |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base|))) (store .cse0 |c_t_funThread2of2ForFork0_~p~0#1.offset| (+ (- 1) (select .cse0 |c_t_funThread2of2ForFork0_~p~0#1.offset|))))) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|))))) is different from false [2023-12-02 20:26:04,479 WARN L854 $PredicateComparison]: unable to prove that (and (<= 0 (+ |c_t_funThread1of2ForFork0_#t~post40#1| 2147483647)) (forall ((v_ArrVal_2745 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2745) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|))))) is different from false [2023-12-02 20:26:37,771 WARN L539 Checker$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 20:27:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:27:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:27:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:27:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:27:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:27:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:27:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:27:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:27:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:27:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:27:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:27:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-12-02 20:27:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:27:01,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:27:01,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:27:01,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:27:01,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:27:01,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:27:01,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:27:01,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:27:01,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:27:01,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:27:01,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-02 20:27:01,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-02 20:27:01,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-12-02 20:27:01,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2023-12-02 20:27:02,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:27:02,085 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:27:02,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:27:02,085 INFO L85 PathProgramCache]: Analyzing trace with hash 431427609, now seen corresponding path program 1 times [2023-12-02 20:27:02,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:27:02,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938965739] [2023-12-02 20:27:02,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:27:02,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:27:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:27:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:27:02,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:27:02,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938965739] [2023-12-02 20:27:02,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938965739] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:27:02,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690828202] [2023-12-02 20:27:02,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:27:02,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:27:02,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:27:02,713 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:27:02,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2023-12-02 20:27:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:27:02,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 20:27:02,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:27:02,898 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 20:27:03,378 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:27:03,378 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 20:27:03,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:27:03,570 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 20:27:03,671 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 13 treesize of output 9 [2023-12-02 20:27:03,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:27:03,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:27:03,985 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 20:27:04,081 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 20:27:04,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:27:04,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 20:27:04,260 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:27:04,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2023-12-02 20:27:04,412 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 20:27:04,522 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:27:04,522 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:27:04,778 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2842 (Array Int Int)) (v_ArrVal_2841 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (or (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_2842) |c_t_funThread1of2ForFork0_~p~0#1.base|) (+ |t_funThread1of2ForFork0_~p~0#1.offset| 4)) 0)) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2841) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483647))) is different from false [2023-12-02 20:27:05,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:27:05,037 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 23 treesize of output 24 [2023-12-02 20:27:05,061 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:27:05,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2023-12-02 20:27:05,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2023-12-02 20:27:07,289 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 2 not checked. [2023-12-02 20:27:07,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690828202] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:27:07,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:27:07,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 11] total 29 [2023-12-02 20:27:07,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57466390] [2023-12-02 20:27:07,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:27:07,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-12-02 20:27:07,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:27:07,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-12-02 20:27:07,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=716, Unknown=31, NotChecked=56, Total=930 [2023-12-02 20:27:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:27:07,292 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:27:07,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 4.0) internal successors, (120), 30 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:27:07,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:27:07,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:27:07,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:27:07,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:27:07,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:27:07,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:27:07,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:27:07,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:27:07,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:27:07,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:27:07,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:27:07,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-12-02 20:27:07,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:27:07,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:27:07,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:27:07,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:27:07,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:27:07,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:27:07,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:27:07,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:27:07,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:27:07,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:27:07,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-12-02 20:27:07,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-12-02 20:27:07,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-12-02 20:27:07,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:27:10,491 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_2842 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (or (< (select (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483647) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_2842) |c_t_funThread1of2ForFork0_~p~0#1.base|) (+ |t_funThread1of2ForFork0_~p~0#1.offset| 4)) 0)))) (forall ((v_ArrVal_2842 (Array Int Int)) (v_ArrVal_2841 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (or (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_2842) |c_t_funThread1of2ForFork0_~p~0#1.base|) (+ |t_funThread1of2ForFork0_~p~0#1.offset| 4)) 0)) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2841) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483647))) (forall ((v_ArrVal_2842 (Array Int Int)) (v_ArrVal_2841 (Array Int Int)) (v_ArrVal_2840 Int) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (or (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_2842) |c_t_funThread1of2ForFork0_~p~0#1.base|) (+ |t_funThread1of2ForFork0_~p~0#1.offset| 4)) 0)) (< (select (select (store (store |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base| (store (select |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base|) |c_t_funThread2of2ForFork0_~p~0#1.offset| v_ArrVal_2840)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2841) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483647)))) is different from false [2023-12-02 20:27:19,045 WARN L539 Checker$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 20:27:21,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:27:24,399 WARN L539 Checker$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 20:27:27,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:27:31,460 WARN L539 Checker$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 20:27:33,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:27:50,384 WARN L539 Checker$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 20:27:54,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:27:56,929 WARN L539 Checker$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 20:28:03,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:28:08,628 WARN L539 Checker$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 20:28:08,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:28:08,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-02 20:28:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-02 20:28:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-12-02 20:28:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:28:08,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2023-12-02 20:28:08,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:28:08,870 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:28:08,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:28:08,871 INFO L85 PathProgramCache]: Analyzing trace with hash 241929861, now seen corresponding path program 2 times [2023-12-02 20:28:08,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:28:08,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084763148] [2023-12-02 20:28:08,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:28:08,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:28:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:28:09,599 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:28:09,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:28:09,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084763148] [2023-12-02 20:28:09,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084763148] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:28:09,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572739917] [2023-12-02 20:28:09,600 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:28:09,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:28:09,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:28:09,601 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:28:09,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2023-12-02 20:28:09,819 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:28:09,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:28:09,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 20:28:09,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:28:09,833 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 20:28:10,180 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:28:10,180 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 20:28:10,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:28:10,364 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 20:28:10,659 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 24 treesize of output 17 [2023-12-02 20:28:10,952 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 32 treesize of output 25 [2023-12-02 20:28:11,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2023-12-02 20:28:11,159 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 20 treesize of output 16 [2023-12-02 20:28:11,192 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:28:11,192 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:28:11,408 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2948 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< (select (select (store (store |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base| (store (select |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base|) |c_t_funThread2of2ForFork0_~p~0#1.offset| (+ (- 1) |c_t_funThread2of2ForFork0_#t~post40#1|))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2948) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483647)) is different from false [2023-12-02 20:28:11,424 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2948 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< (select (select (store (store |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base| (let ((.cse0 (select |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base|))) (store .cse0 |c_t_funThread2of2ForFork0_~p~0#1.offset| (+ (- 1) (select .cse0 |c_t_funThread2of2ForFork0_~p~0#1.offset|))))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2948) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483647)) is different from false [2023-12-02 20:28:11,581 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_2948 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< (select (select (store (store |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base| (let ((.cse0 (select |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base|))) (store .cse0 |t_funThread2of2ForFork0_~p~0#1.offset| (select .cse0 |t_funThread2of2ForFork0_~p~0#1.offset|)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2948) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483647)) is different from false [2023-12-02 20:28:11,635 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_2948 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< (select (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse0 (select |c_#memory_int| |c_~#a~0.base|))) (store .cse0 |t_funThread2of2ForFork0_~p~0#1.offset| (select .cse0 |t_funThread2of2ForFork0_~p~0#1.offset|)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2948) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483647)) is different from false [2023-12-02 20:28:12,242 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 3 refuted. 1 times theorem prover too weak. 145 trivial. 5 not checked. [2023-12-02 20:28:12,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572739917] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:28:12,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:28:12,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 30 [2023-12-02 20:28:12,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246738434] [2023-12-02 20:28:12,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:28:12,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-12-02 20:28:12,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:28:12,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-12-02 20:28:12,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=612, Unknown=20, NotChecked=220, Total=992 [2023-12-02 20:28:12,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:28:12,244 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:28:12,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 4.741935483870968) internal successors, (147), 31 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 20:28:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:28:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:28:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:28:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:28:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:28:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:28:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:28:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:28:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-12-02 20:28:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:28:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:28:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:28:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:28:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:28:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:28:12,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-12-02 20:28:12,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:28:12,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:28:12,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:28:12,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-12-02 20:28:12,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-12-02 20:28:12,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-12-02 20:28:12,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:28:12,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:28:12,878 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_main_~#t_ids~0#1.base_75| Int)) (or (forall ((v_ArrVal_2943 (Array Int Int)) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_2948 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< (select (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse0 (select (store |c_#memory_int| |v_ULTIMATE.start_main_~#t_ids~0#1.base_75| v_ArrVal_2943) |c_~#a~0.base|))) (store .cse0 |t_funThread2of2ForFork0_~p~0#1.offset| (select .cse0 |t_funThread2of2ForFork0_~p~0#1.offset|)))) |v_ULTIMATE.start_main_~#t_ids~0#1.base_75| v_ArrVal_2948) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483647)) (not (= (select |c_#valid| |v_ULTIMATE.start_main_~#t_ids~0#1.base_75|) 0)))) (forall ((v_ArrVal_2943 (Array Int Int)) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_2948 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< (select (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2943) |c_~#a~0.base|))) (store .cse1 |t_funThread2of2ForFork0_~p~0#1.offset| (select .cse1 |t_funThread2of2ForFork0_~p~0#1.offset|)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2948) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483647)) (forall ((v_ArrVal_2943 (Array Int Int)) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_2948 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< (select (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2943) |c_~#a~0.base|))) (store .cse2 |t_funThread2of2ForFork0_~p~0#1.offset| (select .cse2 |t_funThread2of2ForFork0_~p~0#1.offset|)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2948) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483647))) is different from false [2023-12-02 20:28:19,618 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< (select (select |c_#memory_int| |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483647)) (forall ((v_ArrVal_2948 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2948) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483647)) (forall ((|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_2948 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< (select (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse0 (select |c_#memory_int| |c_~#a~0.base|))) (store .cse0 |t_funThread2of2ForFork0_~p~0#1.offset| (select .cse0 |t_funThread2of2ForFork0_~p~0#1.offset|)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2948) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483647)) (forall ((v_ArrVal_2943 (Array Int Int)) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_2948 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< (select (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2943) |c_~#a~0.base|))) (store .cse1 |t_funThread2of2ForFork0_~p~0#1.offset| (select .cse1 |t_funThread2of2ForFork0_~p~0#1.offset|)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2948) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|) 2147483647))) is different from false [2023-12-02 20:28:22,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:28:22,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:28:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:28:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:28:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:28:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:28:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:28:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:28:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-12-02 20:28:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:28:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:28:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:28:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:28:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:28:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:28:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-12-02 20:28:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:28:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:28:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:28:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-02 20:28:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-02 20:28:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-12-02 20:28:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:28:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:28:22,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2023-12-02 20:28:22,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:28:22,860 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:28:22,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:28:22,860 INFO L85 PathProgramCache]: Analyzing trace with hash -516950633, now seen corresponding path program 2 times [2023-12-02 20:28:22,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:28:22,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707848900] [2023-12-02 20:28:22,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:28:22,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:28:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:28:24,811 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:28:24,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:28:24,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707848900] [2023-12-02 20:28:24,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707848900] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:28:24,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315631893] [2023-12-02 20:28:24,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:28:24,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:28:24,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:28:24,813 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:28:24,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a510d6c-dc86-4114-a530-5b6445147021/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2023-12-02 20:28:25,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:28:25,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:28:25,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 20:28:25,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:28:25,028 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 20:28:25,408 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:28:25,409 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 20:28:25,468 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 20:28:25,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:28:25,891 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 24 treesize of output 17 [2023-12-02 20:28:26,183 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 32 treesize of output 25 [2023-12-02 20:28:26,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2023-12-02 20:28:26,488 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 41 treesize of output 34 [2023-12-02 20:28:26,622 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 45 treesize of output 37 [2023-12-02 20:28:26,678 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-02 20:28:26,678 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:28:26,852 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3066 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_3066) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) is different from false [2023-12-02 20:28:27,333 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3066 (Array Int Int)) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store (store |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base| (let ((.cse0 (select |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base|))) (store .cse0 |t_funThread2of2ForFork0_~p~0#1.offset| (select .cse0 |t_funThread2of2ForFork0_~p~0#1.offset|)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_3066) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) is different from false [2023-12-02 20:28:27,382 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3066 (Array Int Int)) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse0 (select |c_#memory_int| |c_~#a~0.base|))) (store .cse0 |t_funThread2of2ForFork0_~p~0#1.offset| (select .cse0 |t_funThread2of2ForFork0_~p~0#1.offset|)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_3066) |c_t_funThread1of2ForFork0_~p~0#1.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) is different from false [2023-12-02 20:28:27,568 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3066 (Array Int Int)) (|t_funThread2of2ForFork0_~p~0#1.offset| Int) (v_ArrVal_3061 (Array Int Int)) (|t_funThread1of2ForFork0_~p~0#1.offset| Int)) (< 0 (+ 2147483649 (select (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_3061) |c_~#a~0.base|))) (store .cse0 |t_funThread2of2ForFork0_~p~0#1.offset| (select .cse0 |t_funThread2of2ForFork0_~p~0#1.offset|)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_3066) |c_~#a~0.base|) |t_funThread1of2ForFork0_~p~0#1.offset|)))) is different from false [2023-12-02 20:28:27,977 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 9 not checked. [2023-12-02 20:28:27,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315631893] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:28:27,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:28:27,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 36 [2023-12-02 20:28:27,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394545430] [2023-12-02 20:28:27,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:28:27,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-12-02 20:28:27,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:28:27,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-12-02 20:28:27,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=965, Unknown=20, NotChecked=268, Total=1406 [2023-12-02 20:28:27,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:28:27,980 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:28:27,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 4.45945945945946) internal successors, (165), 37 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:28:27,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:28:27,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:28:27,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:27,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:28:27,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:28:27,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:27,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:28:27,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:28:27,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:28:27,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:28:27,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:28:27,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-12-02 20:28:27,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:28:27,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:28:27,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:28:27,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:28:27,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:28:27,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-12-02 20:28:27,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-12-02 20:28:27,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:28:27,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:28:27,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:28:27,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-12-02 20:28:27,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-12-02 20:28:27,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-12-02 20:28:27,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:28:27,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:28:27,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.