/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-08 15:56:38,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-08 15:56:38,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-08 15:56:38,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-08 15:56:38,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-08 15:56:38,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-08 15:56:38,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-08 15:56:38,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-08 15:56:38,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-08 15:56:38,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-08 15:56:38,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-08 15:56:38,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-08 15:56:38,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-08 15:56:38,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-08 15:56:38,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-08 15:56:38,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-08 15:56:38,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-08 15:56:38,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-08 15:56:38,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-08 15:56:38,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-08 15:56:38,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-08 15:56:38,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-08 15:56:38,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-08 15:56:38,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-08 15:56:38,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-08 15:56:38,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-08 15:56:38,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-08 15:56:38,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-08 15:56:38,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-08 15:56:38,579 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-08 15:56:38,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-08 15:56:38,580 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-08 15:56:38,580 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-08 15:56:38,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-08 15:56:38,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-08 15:56:38,582 INFO L138 SettingsManager]: * Use SBE=true [2021-10-08 15:56:38,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-08 15:56:38,582 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-08 15:56:38,583 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-08 15:56:38,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-08 15:56:38,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-08 15:56:38,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-08 15:56:38,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-08 15:56:38,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-08 15:56:38,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-08 15:56:38,584 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-08 15:56:38,584 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-08 15:56:38,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-08 15:56:38,585 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-08 15:56:38,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-08 15:56:38,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-08 15:56:38,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-08 15:56:38,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-08 15:56:38,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 15:56:38,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-08 15:56:38,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-08 15:56:38,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-08 15:56:38,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-08 15:56:38,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-08 15:56:38,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-08 15:56:38,587 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-08 15:56:38,587 INFO L138 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:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-08 15:56:38,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-08 15:56:38,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-08 15:56:38,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-08 15:56:38,993 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-08 15:56:38,994 INFO L275 PluginConnector]: CDTParser initialized [2021-10-08 15:56:38,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2021-10-08 15:56:39,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ab9882c2/a86332fd7dda4cc3ac67bbc5ab8073c8/FLAG334f23127 [2021-10-08 15:56:39,866 INFO L306 CDTParser]: Found 1 translation units. [2021-10-08 15:56:39,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2021-10-08 15:56:39,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ab9882c2/a86332fd7dda4cc3ac67bbc5ab8073c8/FLAG334f23127 [2021-10-08 15:56:40,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ab9882c2/a86332fd7dda4cc3ac67bbc5ab8073c8 [2021-10-08 15:56:40,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-08 15:56:40,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-08 15:56:40,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-08 15:56:40,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-08 15:56:40,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-08 15:56:40,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 03:56:40" (1/1) ... [2021-10-08 15:56:40,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1871dd54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:56:40, skipping insertion in model container [2021-10-08 15:56:40,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 03:56:40" (1/1) ... [2021-10-08 15:56:40,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-08 15:56:40,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-08 15:56:40,452 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c[3393,3406] [2021-10-08 15:56:40,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 15:56:40,492 INFO L203 MainTranslator]: Completed pre-run [2021-10-08 15:56:40,558 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c[3393,3406] [2021-10-08 15:56:40,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 15:56:40,593 INFO L208 MainTranslator]: Completed translation [2021-10-08 15:56:40,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:56:40 WrapperNode [2021-10-08 15:56:40,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-08 15:56:40,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-08 15:56:40,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-08 15:56:40,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-08 15:56:40,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:56:40" (1/1) ... [2021-10-08 15:56:40,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:56:40" (1/1) ... [2021-10-08 15:56:40,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-08 15:56:40,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-08 15:56:40,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-08 15:56:40,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-08 15:56:40,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:56:40" (1/1) ... [2021-10-08 15:56:40,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:56:40" (1/1) ... [2021-10-08 15:56:40,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:56:40" (1/1) ... [2021-10-08 15:56:40,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:56:40" (1/1) ... [2021-10-08 15:56:40,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:56:40" (1/1) ... [2021-10-08 15:56:40,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:56:40" (1/1) ... [2021-10-08 15:56:40,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:56:40" (1/1) ... [2021-10-08 15:56:40,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-08 15:56:40,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-08 15:56:40,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-08 15:56:40,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-08 15:56:40,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:56:40" (1/1) ... [2021-10-08 15:56:40,770 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 15:56:40,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:56:40,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-08 15:56:40,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-08 15:56:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-08 15:56:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-08 15:56:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-08 15:56:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-08 15:56:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-08 15:56:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-08 15:56:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-08 15:56:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-08 15:56:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-08 15:56:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-08 15:56:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-08 15:56:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-08 15:56:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-08 15:56:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-08 15:56:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-08 15:56:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-08 15:56:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-08 15:56:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-08 15:56:40,878 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-08 15:56:41,966 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-08 15:56:41,968 INFO L299 CfgBuilder]: Removed 53 assume(true) statements. [2021-10-08 15:56:41,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:56:41 BoogieIcfgContainer [2021-10-08 15:56:41,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-08 15:56:41,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-08 15:56:41,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-08 15:56:41,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-08 15:56:41,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.10 03:56:40" (1/3) ... [2021-10-08 15:56:41,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1870e967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 03:56:41, skipping insertion in model container [2021-10-08 15:56:41,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:56:40" (2/3) ... [2021-10-08 15:56:41,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1870e967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 03:56:41, skipping insertion in model container [2021-10-08 15:56:41,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:56:41" (3/3) ... [2021-10-08 15:56:41,985 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2021-10-08 15:56:41,992 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-08 15:56:41,993 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-08 15:56:41,993 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-10-08 15:56:41,993 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-08 15:56:42,083 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,084 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,084 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,084 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,084 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,085 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,085 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,085 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,085 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,085 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,086 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,086 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,087 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,087 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,087 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,087 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,088 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,088 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,088 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,089 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,089 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,089 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,090 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,090 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,090 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,091 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,091 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,091 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,092 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,092 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,092 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,092 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,093 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,093 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,093 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,093 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,093 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,093 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,094 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,094 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,095 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,095 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,095 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,095 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,095 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,096 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,096 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,096 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,096 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,097 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,097 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,097 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,097 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,097 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,098 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,098 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,098 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,099 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,099 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,099 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,099 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,100 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,100 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,101 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,101 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,101 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,101 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,101 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,102 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,102 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,102 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,102 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,103 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,103 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,103 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,104 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,104 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,104 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,104 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,104 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,104 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,105 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,105 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,105 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,105 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,105 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,107 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,107 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,108 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,109 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,109 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,112 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,118 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,118 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,118 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,118 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,118 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,119 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,119 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,119 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,119 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,119 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,120 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,120 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,121 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,121 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,121 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,121 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,121 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,122 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,122 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,122 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,122 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,122 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,122 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,123 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,123 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,123 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,123 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,123 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,123 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,124 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,124 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,124 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,124 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,124 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,125 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,125 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,125 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,125 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,125 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,125 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,126 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,126 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,126 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,126 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,126 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,126 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,127 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,127 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,127 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,127 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,127 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,127 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,128 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,128 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,128 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,128 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,128 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,129 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,129 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,129 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,129 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,129 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,129 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,130 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,131 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,132 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,132 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,132 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,132 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,132 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,134 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,137 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,137 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,138 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,138 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,139 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,139 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,139 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,139 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,139 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,139 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,140 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,140 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,140 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,140 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,140 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,140 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,141 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,141 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,141 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,141 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,141 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,141 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,141 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,142 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,142 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,142 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,142 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,143 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,143 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,143 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,143 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,143 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,143 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,144 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,144 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,145 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,149 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,150 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,152 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,152 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,152 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,152 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,152 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,153 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,153 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,153 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,153 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,153 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,162 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,162 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,162 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,163 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,163 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,163 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,163 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,163 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,163 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,164 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,164 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,164 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,164 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,164 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,164 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,164 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,165 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,168 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,169 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,169 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,169 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,169 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,169 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,170 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,170 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,170 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,170 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,170 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,170 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,170 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,171 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,171 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,171 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,171 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,171 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,171 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,172 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,172 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,173 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,173 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,173 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,173 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,173 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,174 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,174 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,174 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,174 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,174 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,174 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,175 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,175 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,175 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,175 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,175 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,175 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,176 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,176 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,176 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,176 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,176 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,177 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,177 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,177 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,177 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,177 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,177 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,178 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,178 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,178 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,178 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,178 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,178 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,179 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,179 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,179 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,179 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,179 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,179 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,180 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,180 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,180 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,180 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,180 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,180 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,181 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,181 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,181 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,181 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,181 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,181 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,182 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,182 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,182 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,182 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,183 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,183 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,184 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,184 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,184 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,184 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,184 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,184 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,185 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,185 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,185 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,185 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,185 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,185 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,186 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,186 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,186 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,186 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,186 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,186 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,187 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,187 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,187 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,188 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,188 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,189 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,189 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,189 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,189 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,189 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,189 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,190 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,190 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,190 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,194 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,195 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,195 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,195 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,195 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,195 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,196 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,196 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,196 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,196 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,196 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,196 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,196 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,197 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,197 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,197 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,197 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,197 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,197 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,198 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,198 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,198 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,198 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,198 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,199 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,199 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,199 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,199 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,200 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,200 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,200 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,200 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,201 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,206 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,206 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,207 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,208 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,208 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,209 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,209 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,209 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,209 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,209 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,209 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,210 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,210 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,210 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,210 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,210 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,210 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,210 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,211 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,211 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,211 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,211 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,211 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,212 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,212 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,212 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,212 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,212 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,212 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,213 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,213 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,213 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,213 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,213 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,214 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,214 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,214 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,214 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,214 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,214 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,215 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,215 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,215 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,215 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,215 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,215 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,216 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,216 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,216 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,216 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,216 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,216 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,216 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,217 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,217 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,217 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,217 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,217 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,217 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,218 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,218 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,222 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,222 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,222 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,223 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,223 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,223 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,223 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,223 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,223 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,223 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,224 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,224 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,224 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,224 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,224 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,224 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,225 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,225 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,225 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,225 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,225 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,225 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,225 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,226 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,226 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,226 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,226 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,226 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,226 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,227 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,227 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,227 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,227 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,227 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,230 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,230 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,230 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,231 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,231 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,231 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,231 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,231 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,231 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,231 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,232 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,232 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,232 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,232 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,232 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,233 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,233 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,233 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,234 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,234 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,234 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,234 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,234 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,234 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,235 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,235 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,235 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,235 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,235 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,236 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,236 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,236 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,236 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,236 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,236 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,237 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,237 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,237 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,237 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,237 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,237 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,238 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,238 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,238 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,238 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,238 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,238 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,238 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,239 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,239 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,239 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,239 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,239 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,239 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,239 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,240 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,240 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,240 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,240 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,240 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,240 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,241 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,241 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,241 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,241 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,241 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,241 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,242 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,242 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,242 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,242 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,242 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,242 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,242 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,243 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,243 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,243 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,243 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,243 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,243 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,244 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,244 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,244 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,244 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,244 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,244 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,244 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,245 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,245 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,245 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,245 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,245 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,246 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,246 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,246 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,246 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,246 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,246 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,246 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,247 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,247 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,247 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,247 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,247 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,247 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,248 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,248 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,248 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,248 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,248 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,248 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,248 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,249 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,249 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,249 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,249 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,249 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,249 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,250 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,250 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,250 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,250 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,250 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,250 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,250 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,250 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,251 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,251 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,251 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,251 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,251 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,251 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,251 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,251 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,252 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,252 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,252 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,252 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,252 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,252 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,252 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,252 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,252 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,253 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,253 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,253 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,253 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,253 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,253 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,254 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,254 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,254 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,254 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,254 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,254 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,254 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,255 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,255 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,255 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,255 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,255 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,256 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,259 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,260 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,260 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,260 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,260 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,260 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,261 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,261 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,262 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,262 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,262 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,262 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,262 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,262 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,262 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,265 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,265 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,265 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,265 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,266 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,266 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,266 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,266 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,266 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,267 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,267 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,267 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,267 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,267 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,267 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,269 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,269 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,269 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,270 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,270 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,270 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,270 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,270 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,270 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,271 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,271 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,271 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,271 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,271 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,271 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,273 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,273 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,273 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,274 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,274 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,274 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,274 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,274 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,275 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,275 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,275 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#t~short44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,275 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,275 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,275 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,276 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:56:42,285 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-10-08 15:56:42,365 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-08 15:56:42,380 INFO L339 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-08 15:56:42,381 INFO L340 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2021-10-08 15:56:42,432 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-08 15:56:42,450 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 359 places, 377 transitions, 786 flow [2021-10-08 15:56:42,455 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 359 places, 377 transitions, 786 flow [2021-10-08 15:56:42,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 359 places, 377 transitions, 786 flow [2021-10-08 15:56:42,761 INFO L129 PetriNetUnfolder]: 31/373 cut-off events. [2021-10-08 15:56:42,761 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-08 15:56:42,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 373 events. 31/373 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 944 event pairs, 0 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 292. Up to 2 conditions per place. [2021-10-08 15:56:42,811 INFO L116 LiptonReduction]: Number of co-enabled transitions 42120 [2021-10-08 15:57:06,926 INFO L131 LiptonReduction]: Checked pairs total: 55617 [2021-10-08 15:57:06,926 INFO L133 LiptonReduction]: Total number of compositions: 473 [2021-10-08 15:57:06,937 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 83 places, 75 transitions, 182 flow [2021-10-08 15:57:09,677 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 49007 states, 42443 states have (on average 5.090992625403483) internal successors, (216077), 49006 states have internal predecessors, (216077), 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) [2021-10-08 15:57:09,775 INFO L276 IsEmpty]: Start isEmpty. Operand has 49007 states, 42443 states have (on average 5.090992625403483) internal successors, (216077), 49006 states have internal predecessors, (216077), 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) [2021-10-08 15:57:09,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-10-08 15:57:09,789 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:09,790 INFO L512 BasicCegarLoop]: trace histogram [1] [2021-10-08 15:57:09,791 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:09,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:09,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1737, now seen corresponding path program 1 times [2021-10-08 15:57:09,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:09,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905340234] [2021-10-08 15:57:09,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:09,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:10,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:10,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:10,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905340234] [2021-10-08 15:57:10,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905340234] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:57:10,212 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:57:10,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-10-08 15:57:10,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522493349] [2021-10-08 15:57:10,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-08 15:57:10,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:10,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-08 15:57:10,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-08 15:57:10,459 INFO L87 Difference]: Start difference. First operand has 49007 states, 42443 states have (on average 5.090992625403483) internal successors, (216077), 49006 states have internal predecessors, (216077), 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) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-10-08 15:57:11,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:11,433 INFO L93 Difference]: Finished difference Result 24437 states and 107259 transitions. [2021-10-08 15:57:11,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 15:57:11,436 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) Word has length 1 [2021-10-08 15:57:11,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:11,851 INFO L225 Difference]: With dead ends: 24437 [2021-10-08 15:57:11,851 INFO L226 Difference]: Without dead ends: 24437 [2021-10-08 15:57:11,852 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-08 15:57:12,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24437 states. [2021-10-08 15:57:14,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24437 to 24437. [2021-10-08 15:57:14,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24437 states, 22035 states have (on average 4.867665078284547) internal successors, (107259), 24436 states have internal predecessors, (107259), 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) [2021-10-08 15:57:15,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24437 states to 24437 states and 107259 transitions. [2021-10-08 15:57:15,007 INFO L78 Accepts]: Start accepts. Automaton has 24437 states and 107259 transitions. Word has length 1 [2021-10-08 15:57:15,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:15,007 INFO L470 AbstractCegarLoop]: Abstraction has 24437 states and 107259 transitions. [2021-10-08 15:57:15,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-10-08 15:57:15,008 INFO L276 IsEmpty]: Start isEmpty. Operand 24437 states and 107259 transitions. [2021-10-08 15:57:15,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-08 15:57:15,008 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:15,008 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-08 15:57:15,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-08 15:57:15,009 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:15,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:15,010 INFO L82 PathProgramCache]: Analyzing trace with hash 55542, now seen corresponding path program 1 times [2021-10-08 15:57:15,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:15,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238829787] [2021-10-08 15:57:15,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:15,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:15,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:15,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:15,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238829787] [2021-10-08 15:57:15,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238829787] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:57:15,213 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:57:15,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 15:57:15,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768393423] [2021-10-08 15:57:15,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:57:15,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:15,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:57:15,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:57:15,221 INFO L87 Difference]: Start difference. First operand 24437 states and 107259 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-10-08 15:57:16,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:16,293 INFO L93 Difference]: Finished difference Result 48871 states and 214515 transitions. [2021-10-08 15:57:16,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:57:16,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) Word has length 2 [2021-10-08 15:57:16,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:17,015 INFO L225 Difference]: With dead ends: 48871 [2021-10-08 15:57:17,016 INFO L226 Difference]: Without dead ends: 48871 [2021-10-08 15:57:17,017 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:57:17,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48871 states. [2021-10-08 15:57:18,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48871 to 24438. [2021-10-08 15:57:18,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24438 states, 22036 states have (on average 4.867534942820838) internal successors, (107261), 24437 states have internal predecessors, (107261), 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) [2021-10-08 15:57:19,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24438 states to 24438 states and 107261 transitions. [2021-10-08 15:57:19,122 INFO L78 Accepts]: Start accepts. Automaton has 24438 states and 107261 transitions. Word has length 2 [2021-10-08 15:57:19,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:19,122 INFO L470 AbstractCegarLoop]: Abstraction has 24438 states and 107261 transitions. [2021-10-08 15:57:19,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-10-08 15:57:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand 24438 states and 107261 transitions. [2021-10-08 15:57:19,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-08 15:57:19,124 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:19,124 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-08 15:57:19,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-08 15:57:19,128 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:19,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:19,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1723466, now seen corresponding path program 1 times [2021-10-08 15:57:19,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:19,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789989646] [2021-10-08 15:57:19,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:19,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:19,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:19,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:19,846 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789989646] [2021-10-08 15:57:19,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789989646] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:19,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360103009] [2021-10-08 15:57:19,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:19,847 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:19,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:57:19,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:57:19,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-08 15:57:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:20,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-08 15:57:20,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:57:20,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:20,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360103009] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:20,149 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:57:20,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 3 [2021-10-08 15:57:20,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907499319] [2021-10-08 15:57:20,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-08 15:57:20,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:20,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-08 15:57:20,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:57:20,152 INFO L87 Difference]: Start difference. First operand 24438 states and 107261 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2021-10-08 15:57:21,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:21,465 INFO L93 Difference]: Finished difference Result 73305 states and 321772 transitions. [2021-10-08 15:57:21,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 15:57:21,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 3 [2021-10-08 15:57:21,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:22,681 INFO L225 Difference]: With dead ends: 73305 [2021-10-08 15:57:22,681 INFO L226 Difference]: Without dead ends: 73305 [2021-10-08 15:57:22,681 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.8ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:57:22,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73305 states. [2021-10-08 15:57:25,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73305 to 24439. [2021-10-08 15:57:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24439 states, 22037 states have (on average 4.86745019739529) internal successors, (107264), 24438 states have internal predecessors, (107264), 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) [2021-10-08 15:57:25,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24439 states to 24439 states and 107264 transitions. [2021-10-08 15:57:25,596 INFO L78 Accepts]: Start accepts. Automaton has 24439 states and 107264 transitions. Word has length 3 [2021-10-08 15:57:25,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:25,596 INFO L470 AbstractCegarLoop]: Abstraction has 24439 states and 107264 transitions. [2021-10-08 15:57:25,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2021-10-08 15:57:25,597 INFO L276 IsEmpty]: Start isEmpty. Operand 24439 states and 107264 transitions. [2021-10-08 15:57:25,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-08 15:57:25,597 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:25,597 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-08 15:57:25,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-08 15:57:25,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:25,812 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:25,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:25,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1723468, now seen corresponding path program 1 times [2021-10-08 15:57:25,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:25,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830663549] [2021-10-08 15:57:25,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:25,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:25,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:25,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:25,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830663549] [2021-10-08 15:57:25,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830663549] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:57:25,859 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:57:25,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 15:57:25,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126095406] [2021-10-08 15:57:25,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:57:25,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:25,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:57:25,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:57:25,861 INFO L87 Difference]: Start difference. First operand 24439 states and 107264 transitions. Second operand has 3 states, 2 states have (on average 1.5) 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) [2021-10-08 15:57:26,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:26,510 INFO L93 Difference]: Finished difference Result 24438 states and 107262 transitions. [2021-10-08 15:57:26,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:57:26,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) 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) Word has length 3 [2021-10-08 15:57:26,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:26,763 INFO L225 Difference]: With dead ends: 24438 [2021-10-08 15:57:26,764 INFO L226 Difference]: Without dead ends: 24438 [2021-10-08 15:57:26,764 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:57:26,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24438 states. [2021-10-08 15:57:27,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24438 to 24438. [2021-10-08 15:57:27,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24438 states, 22037 states have (on average 4.867359440940237) internal successors, (107262), 24437 states have internal predecessors, (107262), 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) [2021-10-08 15:57:28,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24438 states to 24438 states and 107262 transitions. [2021-10-08 15:57:28,245 INFO L78 Accepts]: Start accepts. Automaton has 24438 states and 107262 transitions. Word has length 3 [2021-10-08 15:57:28,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:28,245 INFO L470 AbstractCegarLoop]: Abstraction has 24438 states and 107262 transitions. [2021-10-08 15:57:28,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) 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) [2021-10-08 15:57:28,246 INFO L276 IsEmpty]: Start isEmpty. Operand 24438 states and 107262 transitions. [2021-10-08 15:57:28,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-08 15:57:28,247 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:28,247 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-08 15:57:28,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-08 15:57:28,247 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:28,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:28,248 INFO L82 PathProgramCache]: Analyzing trace with hash 53429110, now seen corresponding path program 2 times [2021-10-08 15:57:28,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:28,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298266545] [2021-10-08 15:57:28,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:28,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:28,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:28,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:28,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298266545] [2021-10-08 15:57:28,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298266545] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:28,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959462240] [2021-10-08 15:57:28,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:57:28,314 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:28,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:57:28,316 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:57:28,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-08 15:57:28,450 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-08 15:57:28,450 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:57:28,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-08 15:57:28,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:57:28,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-08 15:57:28,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959462240] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:57:28,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 15:57:28,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2021-10-08 15:57:28,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468412855] [2021-10-08 15:57:28,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:57:28,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:28,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:57:28,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-08 15:57:28,479 INFO L87 Difference]: Start difference. First operand 24438 states and 107262 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 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) [2021-10-08 15:57:29,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:29,541 INFO L93 Difference]: Finished difference Result 24437 states and 107261 transitions. [2021-10-08 15:57:29,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:57:29,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 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) Word has length 4 [2021-10-08 15:57:29,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:29,723 INFO L225 Difference]: With dead ends: 24437 [2021-10-08 15:57:29,723 INFO L226 Difference]: Without dead ends: 24437 [2021-10-08 15:57:29,724 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 13.1ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-08 15:57:29,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24437 states. [2021-10-08 15:57:30,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24437 to 24435. [2021-10-08 15:57:31,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24435 states, 22035 states have (on average 4.867574313592013) internal successors, (107257), 24434 states have internal predecessors, (107257), 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) [2021-10-08 15:57:31,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24435 states to 24435 states and 107257 transitions. [2021-10-08 15:57:31,144 INFO L78 Accepts]: Start accepts. Automaton has 24435 states and 107257 transitions. Word has length 4 [2021-10-08 15:57:31,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:31,144 INFO L470 AbstractCegarLoop]: Abstraction has 24435 states and 107257 transitions. [2021-10-08 15:57:31,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 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) [2021-10-08 15:57:31,144 INFO L276 IsEmpty]: Start isEmpty. Operand 24435 states and 107257 transitions. [2021-10-08 15:57:31,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-08 15:57:31,145 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:31,145 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-08 15:57:31,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-08 15:57:31,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:31,347 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:31,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:31,348 INFO L82 PathProgramCache]: Analyzing trace with hash 53450191, now seen corresponding path program 1 times [2021-10-08 15:57:31,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:31,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210950420] [2021-10-08 15:57:31,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:31,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:31,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:31,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:31,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210950420] [2021-10-08 15:57:31,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210950420] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:57:31,460 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:57:31,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 15:57:31,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048609506] [2021-10-08 15:57:31,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:57:31,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:31,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:57:31,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:57:31,462 INFO L87 Difference]: Start difference. First operand 24435 states and 107257 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2021-10-08 15:57:32,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:32,103 INFO L93 Difference]: Finished difference Result 20015 states and 87719 transitions. [2021-10-08 15:57:32,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:57:32,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2021-10-08 15:57:32,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:32,280 INFO L225 Difference]: With dead ends: 20015 [2021-10-08 15:57:32,280 INFO L226 Difference]: Without dead ends: 20015 [2021-10-08 15:57:32,280 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:57:32,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20015 states. [2021-10-08 15:57:32,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20015 to 20015. [2021-10-08 15:57:32,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20015 states, 18252 states have (on average 4.805993863686171) internal successors, (87719), 20014 states have internal predecessors, (87719), 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) [2021-10-08 15:57:33,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20015 states to 20015 states and 87719 transitions. [2021-10-08 15:57:33,405 INFO L78 Accepts]: Start accepts. Automaton has 20015 states and 87719 transitions. Word has length 4 [2021-10-08 15:57:33,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:33,406 INFO L470 AbstractCegarLoop]: Abstraction has 20015 states and 87719 transitions. [2021-10-08 15:57:33,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2021-10-08 15:57:33,406 INFO L276 IsEmpty]: Start isEmpty. Operand 20015 states and 87719 transitions. [2021-10-08 15:57:33,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-08 15:57:33,407 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:33,407 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-08 15:57:33,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-08 15:57:33,407 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:33,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:33,412 INFO L82 PathProgramCache]: Analyzing trace with hash 53450007, now seen corresponding path program 1 times [2021-10-08 15:57:33,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:33,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699238498] [2021-10-08 15:57:33,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:33,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:33,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:33,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699238498] [2021-10-08 15:57:33,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699238498] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:57:33,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:57:33,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 15:57:33,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825073116] [2021-10-08 15:57:33,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:57:33,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:33,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:57:33,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:57:33,517 INFO L87 Difference]: Start difference. First operand 20015 states and 87719 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-08 15:57:33,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:33,788 INFO L93 Difference]: Finished difference Result 25271 states and 108888 transitions. [2021-10-08 15:57:33,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:57:33,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) Word has length 4 [2021-10-08 15:57:33,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:33,941 INFO L225 Difference]: With dead ends: 25271 [2021-10-08 15:57:33,941 INFO L226 Difference]: Without dead ends: 25271 [2021-10-08 15:57:33,941 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:57:34,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25271 states. [2021-10-08 15:57:34,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25271 to 22217. [2021-10-08 15:57:34,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22217 states, 20454 states have (on average 4.943140705974382) internal successors, (101107), 22216 states have internal predecessors, (101107), 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) [2021-10-08 15:57:35,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22217 states to 22217 states and 101107 transitions. [2021-10-08 15:57:35,059 INFO L78 Accepts]: Start accepts. Automaton has 22217 states and 101107 transitions. Word has length 4 [2021-10-08 15:57:35,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:35,060 INFO L470 AbstractCegarLoop]: Abstraction has 22217 states and 101107 transitions. [2021-10-08 15:57:35,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-08 15:57:35,060 INFO L276 IsEmpty]: Start isEmpty. Operand 22217 states and 101107 transitions. [2021-10-08 15:57:35,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-08 15:57:35,060 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:35,060 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-08 15:57:35,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-08 15:57:35,061 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:35,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:35,061 INFO L82 PathProgramCache]: Analyzing trace with hash 53450008, now seen corresponding path program 1 times [2021-10-08 15:57:35,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:35,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941152871] [2021-10-08 15:57:35,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:35,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:35,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:35,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:35,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941152871] [2021-10-08 15:57:35,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941152871] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:57:35,099 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:57:35,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 15:57:35,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617485603] [2021-10-08 15:57:35,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:57:35,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:35,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:57:35,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:57:35,101 INFO L87 Difference]: Start difference. First operand 22217 states and 101107 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2021-10-08 15:57:35,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:35,662 INFO L93 Difference]: Finished difference Result 16909 states and 75647 transitions. [2021-10-08 15:57:35,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:57:35,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2021-10-08 15:57:35,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:35,773 INFO L225 Difference]: With dead ends: 16909 [2021-10-08 15:57:35,774 INFO L226 Difference]: Without dead ends: 16909 [2021-10-08 15:57:35,774 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:57:35,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16909 states. [2021-10-08 15:57:36,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16909 to 16909. [2021-10-08 15:57:36,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16909 states, 15685 states have (on average 4.822888109658909) internal successors, (75647), 16908 states have internal predecessors, (75647), 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) [2021-10-08 15:57:36,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16909 states to 16909 states and 75647 transitions. [2021-10-08 15:57:36,847 INFO L78 Accepts]: Start accepts. Automaton has 16909 states and 75647 transitions. Word has length 4 [2021-10-08 15:57:36,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:36,860 INFO L470 AbstractCegarLoop]: Abstraction has 16909 states and 75647 transitions. [2021-10-08 15:57:36,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2021-10-08 15:57:36,861 INFO L276 IsEmpty]: Start isEmpty. Operand 16909 states and 75647 transitions. [2021-10-08 15:57:36,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-08 15:57:36,861 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:36,861 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-08 15:57:36,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-08 15:57:36,861 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:36,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:36,862 INFO L82 PathProgramCache]: Analyzing trace with hash 53450190, now seen corresponding path program 1 times [2021-10-08 15:57:36,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:36,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216190489] [2021-10-08 15:57:36,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:36,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:36,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:36,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:36,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216190489] [2021-10-08 15:57:36,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216190489] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:57:36,922 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:57:36,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 15:57:36,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875652466] [2021-10-08 15:57:36,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:57:36,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:36,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:57:36,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:57:36,924 INFO L87 Difference]: Start difference. First operand 16909 states and 75647 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2021-10-08 15:57:37,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:37,075 INFO L93 Difference]: Finished difference Result 13377 states and 58963 transitions. [2021-10-08 15:57:37,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:57:37,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2021-10-08 15:57:37,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:37,142 INFO L225 Difference]: With dead ends: 13377 [2021-10-08 15:57:37,142 INFO L226 Difference]: Without dead ends: 13377 [2021-10-08 15:57:37,142 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:57:37,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13377 states. [2021-10-08 15:57:37,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13377 to 13377. [2021-10-08 15:57:37,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13377 states, 12594 states have (on average 4.681832618707321) internal successors, (58963), 13376 states have internal predecessors, (58963), 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) [2021-10-08 15:57:37,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13377 states to 13377 states and 58963 transitions. [2021-10-08 15:57:37,866 INFO L78 Accepts]: Start accepts. Automaton has 13377 states and 58963 transitions. Word has length 4 [2021-10-08 15:57:37,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:37,866 INFO L470 AbstractCegarLoop]: Abstraction has 13377 states and 58963 transitions. [2021-10-08 15:57:37,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2021-10-08 15:57:37,879 INFO L276 IsEmpty]: Start isEmpty. Operand 13377 states and 58963 transitions. [2021-10-08 15:57:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-08 15:57:37,880 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:37,880 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-08 15:57:37,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-08 15:57:37,880 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:37,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:37,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1656951788, now seen corresponding path program 1 times [2021-10-08 15:57:37,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:37,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154391995] [2021-10-08 15:57:37,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:37,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:37,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:37,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:37,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154391995] [2021-10-08 15:57:37,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154391995] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:57:37,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:57:37,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-08 15:57:37,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112149722] [2021-10-08 15:57:37,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 15:57:37,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:37,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 15:57:37,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-08 15:57:37,988 INFO L87 Difference]: Start difference. First operand 13377 states and 58963 transitions. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-10-08 15:57:38,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:38,239 INFO L93 Difference]: Finished difference Result 14883 states and 64041 transitions. [2021-10-08 15:57:38,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 15:57:38,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5 [2021-10-08 15:57:38,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:38,350 INFO L225 Difference]: With dead ends: 14883 [2021-10-08 15:57:38,350 INFO L226 Difference]: Without dead ends: 14875 [2021-10-08 15:57:38,350 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:57:38,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14875 states. [2021-10-08 15:57:38,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14875 to 14241. [2021-10-08 15:57:38,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14241 states, 13458 states have (on average 4.625873086639917) internal successors, (62255), 14240 states have internal predecessors, (62255), 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) [2021-10-08 15:57:39,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14241 states to 14241 states and 62255 transitions. [2021-10-08 15:57:39,178 INFO L78 Accepts]: Start accepts. Automaton has 14241 states and 62255 transitions. Word has length 5 [2021-10-08 15:57:39,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:39,179 INFO L470 AbstractCegarLoop]: Abstraction has 14241 states and 62255 transitions. [2021-10-08 15:57:39,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-10-08 15:57:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 14241 states and 62255 transitions. [2021-10-08 15:57:39,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-08 15:57:39,179 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:39,180 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-08 15:57:39,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-08 15:57:39,180 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:39,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:39,181 INFO L82 PathProgramCache]: Analyzing trace with hash -193531880, now seen corresponding path program 1 times [2021-10-08 15:57:39,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:39,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263168674] [2021-10-08 15:57:39,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:39,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:39,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:39,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:39,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263168674] [2021-10-08 15:57:39,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263168674] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:39,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496919997] [2021-10-08 15:57:39,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:39,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:39,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:57:39,320 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:57:39,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-08 15:57:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:39,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-08 15:57:39,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:57:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:39,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496919997] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:39,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:57:39,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-10-08 15:57:39,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499607679] [2021-10-08 15:57:39,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-08 15:57:39,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:39,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-08 15:57:39,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-08 15:57:39,572 INFO L87 Difference]: Start difference. First operand 14241 states and 62255 transitions. Second operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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) [2021-10-08 15:57:39,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:39,826 INFO L93 Difference]: Finished difference Result 15829 states and 67214 transitions. [2021-10-08 15:57:39,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 15:57:39,827 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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) Word has length 6 [2021-10-08 15:57:39,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:39,936 INFO L225 Difference]: With dead ends: 15829 [2021-10-08 15:57:39,936 INFO L226 Difference]: Without dead ends: 15821 [2021-10-08 15:57:39,936 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 46.0ms TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-10-08 15:57:39,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15821 states. [2021-10-08 15:57:40,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15821 to 14380. [2021-10-08 15:57:40,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14380 states, 13597 states have (on average 4.6255056262410825) internal successors, (62893), 14379 states have internal predecessors, (62893), 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) [2021-10-08 15:57:40,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14380 states to 14380 states and 62893 transitions. [2021-10-08 15:57:40,696 INFO L78 Accepts]: Start accepts. Automaton has 14380 states and 62893 transitions. Word has length 6 [2021-10-08 15:57:40,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:40,696 INFO L470 AbstractCegarLoop]: Abstraction has 14380 states and 62893 transitions. [2021-10-08 15:57:40,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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) [2021-10-08 15:57:40,697 INFO L276 IsEmpty]: Start isEmpty. Operand 14380 states and 62893 transitions. [2021-10-08 15:57:40,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-08 15:57:40,697 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:40,697 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-10-08 15:57:40,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-08 15:57:40,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:40,912 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:40,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:40,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1723950740, now seen corresponding path program 2 times [2021-10-08 15:57:40,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:40,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008164407] [2021-10-08 15:57:40,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:40,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:41,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:41,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:41,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008164407] [2021-10-08 15:57:41,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008164407] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:41,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141849020] [2021-10-08 15:57:41,100 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:57:41,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:41,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:57:41,101 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:57:41,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-08 15:57:41,200 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:57:41,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:57:41,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 29 conjunts are in the unsatisfiable core [2021-10-08 15:57:41,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:57:41,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 61 [2021-10-08 15:57:41,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-08 15:57:41,368 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:57:41,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 24 [2021-10-08 15:57:41,410 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-10-08 15:57:41,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 18 [2021-10-08 15:57:41,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:41,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141849020] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:41,415 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:57:41,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-10-08 15:57:41,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060720208] [2021-10-08 15:57:41,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-08 15:57:41,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:41,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-08 15:57:41,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-08 15:57:41,417 INFO L87 Difference]: Start difference. First operand 14380 states and 62893 transitions. Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) [2021-10-08 15:57:41,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:41,842 INFO L93 Difference]: Finished difference Result 25213 states and 109488 transitions. [2021-10-08 15:57:41,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 15:57:41,843 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) Word has length 7 [2021-10-08 15:57:41,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:42,007 INFO L225 Difference]: With dead ends: 25213 [2021-10-08 15:57:42,007 INFO L226 Difference]: Without dead ends: 25213 [2021-10-08 15:57:42,008 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 88.2ms TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-10-08 15:57:42,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25213 states. [2021-10-08 15:57:42,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25213 to 15936. [2021-10-08 15:57:42,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15936 states, 15153 states have (on average 4.708968521084934) internal successors, (71355), 15935 states have internal predecessors, (71355), 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) [2021-10-08 15:57:43,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15936 states to 15936 states and 71355 transitions. [2021-10-08 15:57:43,044 INFO L78 Accepts]: Start accepts. Automaton has 15936 states and 71355 transitions. Word has length 7 [2021-10-08 15:57:43,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:43,044 INFO L470 AbstractCegarLoop]: Abstraction has 15936 states and 71355 transitions. [2021-10-08 15:57:43,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) [2021-10-08 15:57:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand 15936 states and 71355 transitions. [2021-10-08 15:57:43,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-08 15:57:43,045 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:43,045 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-10-08 15:57:43,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-08 15:57:43,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-08 15:57:43,246 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:43,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:43,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1723950655, now seen corresponding path program 1 times [2021-10-08 15:57:43,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:43,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409904677] [2021-10-08 15:57:43,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:43,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:43,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:43,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:43,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409904677] [2021-10-08 15:57:43,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409904677] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:43,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778167060] [2021-10-08 15:57:43,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:43,378 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:43,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:57:43,380 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:57:43,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-08 15:57:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:43,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-08 15:57:43,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:57:43,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 61 [2021-10-08 15:57:43,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:57:43,694 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:57:43,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 24 [2021-10-08 15:57:43,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 7 [2021-10-08 15:57:43,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:43,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778167060] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:43,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:57:43,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-10-08 15:57:43,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245231319] [2021-10-08 15:57:43,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-08 15:57:43,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:43,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-08 15:57:43,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-10-08 15:57:43,742 INFO L87 Difference]: Start difference. First operand 15936 states and 71355 transitions. Second operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2021-10-08 15:57:44,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:44,545 INFO L93 Difference]: Finished difference Result 25213 states and 107932 transitions. [2021-10-08 15:57:44,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 15:57:44,548 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) Word has length 7 [2021-10-08 15:57:44,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:44,736 INFO L225 Difference]: With dead ends: 25213 [2021-10-08 15:57:44,736 INFO L226 Difference]: Without dead ends: 25213 [2021-10-08 15:57:44,737 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 132.0ms TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-10-08 15:57:44,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25213 states. [2021-10-08 15:57:45,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25213 to 15936. [2021-10-08 15:57:45,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15936 states, 15153 states have (on average 4.606282584306738) internal successors, (69799), 15935 states have internal predecessors, (69799), 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) [2021-10-08 15:57:45,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15936 states to 15936 states and 69799 transitions. [2021-10-08 15:57:45,619 INFO L78 Accepts]: Start accepts. Automaton has 15936 states and 69799 transitions. Word has length 7 [2021-10-08 15:57:45,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:45,620 INFO L470 AbstractCegarLoop]: Abstraction has 15936 states and 69799 transitions. [2021-10-08 15:57:45,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2021-10-08 15:57:45,620 INFO L276 IsEmpty]: Start isEmpty. Operand 15936 states and 69799 transitions. [2021-10-08 15:57:45,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-08 15:57:45,621 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:45,621 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-10-08 15:57:45,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-08 15:57:45,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:45,828 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:45,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:45,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1902801259, now seen corresponding path program 1 times [2021-10-08 15:57:45,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:45,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349372692] [2021-10-08 15:57:45,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:45,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:46,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:46,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:46,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349372692] [2021-10-08 15:57:46,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349372692] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:46,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455855015] [2021-10-08 15:57:46,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:46,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:46,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:57:46,039 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:57:46,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-08 15:57:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:46,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-08 15:57:46,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:57:46,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 61 [2021-10-08 15:57:46,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:57:46,366 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:57:46,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-10-08 15:57:46,428 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:57:46,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-10-08 15:57:46,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 [2021-10-08 15:57:46,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:46,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455855015] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:46,461 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:57:46,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-10-08 15:57:46,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547607993] [2021-10-08 15:57:46,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-08 15:57:46,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:46,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-08 15:57:46,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-08 15:57:46,462 INFO L87 Difference]: Start difference. First operand 15936 states and 69799 transitions. Second operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:57:47,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:47,286 INFO L93 Difference]: Finished difference Result 26827 states and 116547 transitions. [2021-10-08 15:57:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-08 15:57:47,287 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-08 15:57:47,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:47,464 INFO L225 Difference]: With dead ends: 26827 [2021-10-08 15:57:47,465 INFO L226 Difference]: Without dead ends: 26827 [2021-10-08 15:57:47,465 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 320.0ms TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2021-10-08 15:57:47,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26827 states. [2021-10-08 15:57:48,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26827 to 17542. [2021-10-08 15:57:48,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17542 states, 16759 states have (on average 4.67844143445313) internal successors, (78406), 17541 states have internal predecessors, (78406), 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) [2021-10-08 15:57:48,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17542 states to 17542 states and 78406 transitions. [2021-10-08 15:57:48,455 INFO L78 Accepts]: Start accepts. Automaton has 17542 states and 78406 transitions. Word has length 8 [2021-10-08 15:57:48,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:48,455 INFO L470 AbstractCegarLoop]: Abstraction has 17542 states and 78406 transitions. [2021-10-08 15:57:48,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:57:48,455 INFO L276 IsEmpty]: Start isEmpty. Operand 17542 states and 78406 transitions. [2021-10-08 15:57:48,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-08 15:57:48,456 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:48,456 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-10-08 15:57:48,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-10-08 15:57:48,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-08 15:57:48,673 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:48,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:48,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1902801174, now seen corresponding path program 1 times [2021-10-08 15:57:48,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:48,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979565410] [2021-10-08 15:57:48,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:48,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:48,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:48,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:48,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979565410] [2021-10-08 15:57:48,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979565410] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:48,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148831963] [2021-10-08 15:57:48,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:48,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:48,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:57:48,846 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:57:48,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-08 15:57:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:48,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-08 15:57:48,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:57:48,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1639 treesize of output 1575 [2021-10-08 15:57:49,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:57:49,620 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:57:49,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-10-08 15:57:49,668 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:57:49,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 24 [2021-10-08 15:57:49,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 7 [2021-10-08 15:57:49,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:49,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148831963] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:49,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:57:49,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-10-08 15:57:49,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435150644] [2021-10-08 15:57:49,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-08 15:57:49,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:49,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-08 15:57:49,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-08 15:57:49,696 INFO L87 Difference]: Start difference. First operand 17542 states and 78406 transitions. Second operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:57:50,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:50,209 INFO L93 Difference]: Finished difference Result 28395 states and 123496 transitions. [2021-10-08 15:57:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 15:57:50,209 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-08 15:57:50,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:50,365 INFO L225 Difference]: With dead ends: 28395 [2021-10-08 15:57:50,366 INFO L226 Difference]: Without dead ends: 28395 [2021-10-08 15:57:50,366 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 162.5ms TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2021-10-08 15:57:50,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28395 states. [2021-10-08 15:57:51,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28395 to 17534. [2021-10-08 15:57:51,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17534 states, 16751 states have (on average 4.678825144767477) internal successors, (78375), 17533 states have internal predecessors, (78375), 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) [2021-10-08 15:57:51,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17534 states to 17534 states and 78375 transitions. [2021-10-08 15:57:51,277 INFO L78 Accepts]: Start accepts. Automaton has 17534 states and 78375 transitions. Word has length 8 [2021-10-08 15:57:51,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:51,278 INFO L470 AbstractCegarLoop]: Abstraction has 17534 states and 78375 transitions. [2021-10-08 15:57:51,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:57:51,278 INFO L276 IsEmpty]: Start isEmpty. Operand 17534 states and 78375 transitions. [2021-10-08 15:57:51,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-08 15:57:51,279 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:51,279 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:57:51,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-08 15:57:51,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-08 15:57:51,484 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:51,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:51,485 INFO L82 PathProgramCache]: Analyzing trace with hash 244869182, now seen corresponding path program 1 times [2021-10-08 15:57:51,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:51,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701544663] [2021-10-08 15:57:51,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:51,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:51,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:51,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:51,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701544663] [2021-10-08 15:57:51,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701544663] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:57:51,515 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:57:51,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 15:57:51,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017568669] [2021-10-08 15:57:51,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:57:51,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:51,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:57:51,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:57:51,516 INFO L87 Difference]: Start difference. First operand 17534 states and 78375 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-10-08 15:57:51,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:51,685 INFO L93 Difference]: Finished difference Result 14370 states and 64042 transitions. [2021-10-08 15:57:51,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:57:51,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) Word has length 8 [2021-10-08 15:57:51,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:52,055 INFO L225 Difference]: With dead ends: 14370 [2021-10-08 15:57:52,056 INFO L226 Difference]: Without dead ends: 14370 [2021-10-08 15:57:52,056 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:57:52,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14370 states. [2021-10-08 15:57:52,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14370 to 14370. [2021-10-08 15:57:52,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14370 states, 13795 states have (on average 4.642406669083001) internal successors, (64042), 14369 states have internal predecessors, (64042), 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) [2021-10-08 15:57:52,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14370 states to 14370 states and 64042 transitions. [2021-10-08 15:57:52,484 INFO L78 Accepts]: Start accepts. Automaton has 14370 states and 64042 transitions. Word has length 8 [2021-10-08 15:57:52,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:52,484 INFO L470 AbstractCegarLoop]: Abstraction has 14370 states and 64042 transitions. [2021-10-08 15:57:52,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-10-08 15:57:52,484 INFO L276 IsEmpty]: Start isEmpty. Operand 14370 states and 64042 transitions. [2021-10-08 15:57:52,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-08 15:57:52,485 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:52,485 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:57:52,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-08 15:57:52,485 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:52,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:52,486 INFO L82 PathProgramCache]: Analyzing trace with hash 244869183, now seen corresponding path program 1 times [2021-10-08 15:57:52,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:52,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298748574] [2021-10-08 15:57:52,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:52,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:52,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:52,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:52,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298748574] [2021-10-08 15:57:52,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298748574] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:57:52,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:57:52,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 15:57:52,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97500175] [2021-10-08 15:57:52,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:57:52,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:52,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:57:52,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:57:52,529 INFO L87 Difference]: Start difference. First operand 14370 states and 64042 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-10-08 15:57:52,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:52,662 INFO L93 Difference]: Finished difference Result 11522 states and 51163 transitions. [2021-10-08 15:57:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:57:52,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) Word has length 8 [2021-10-08 15:57:52,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:52,741 INFO L225 Difference]: With dead ends: 11522 [2021-10-08 15:57:52,741 INFO L226 Difference]: Without dead ends: 11522 [2021-10-08 15:57:52,743 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:57:52,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11522 states. [2021-10-08 15:57:53,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11522 to 11522. [2021-10-08 15:57:53,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11522 states, 11123 states have (on average 4.599748269351793) internal successors, (51163), 11521 states have internal predecessors, (51163), 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) [2021-10-08 15:57:53,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11522 states to 11522 states and 51163 transitions. [2021-10-08 15:57:53,455 INFO L78 Accepts]: Start accepts. Automaton has 11522 states and 51163 transitions. Word has length 8 [2021-10-08 15:57:53,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:53,456 INFO L470 AbstractCegarLoop]: Abstraction has 11522 states and 51163 transitions. [2021-10-08 15:57:53,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-10-08 15:57:53,456 INFO L276 IsEmpty]: Start isEmpty. Operand 11522 states and 51163 transitions. [2021-10-08 15:57:53,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-08 15:57:53,456 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:53,456 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:57:53,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-08 15:57:53,457 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:53,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:53,457 INFO L82 PathProgramCache]: Analyzing trace with hash 244869000, now seen corresponding path program 1 times [2021-10-08 15:57:53,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:53,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496183785] [2021-10-08 15:57:53,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:53,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:53,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:53,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:53,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496183785] [2021-10-08 15:57:53,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496183785] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:57:53,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:57:53,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 15:57:53,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806554451] [2021-10-08 15:57:53,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:57:53,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:53,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:57:53,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:57:53,493 INFO L87 Difference]: Start difference. First operand 11522 states and 51163 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-10-08 15:57:53,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:53,587 INFO L93 Difference]: Finished difference Result 8990 states and 39738 transitions. [2021-10-08 15:57:53,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:57:53,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) Word has length 8 [2021-10-08 15:57:53,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:53,630 INFO L225 Difference]: With dead ends: 8990 [2021-10-08 15:57:53,630 INFO L226 Difference]: Without dead ends: 8990 [2021-10-08 15:57:53,630 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:57:53,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8990 states. [2021-10-08 15:57:53,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8990 to 8990. [2021-10-08 15:57:53,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8990 states, 8735 states have (on average 4.549284487693188) internal successors, (39738), 8989 states have internal predecessors, (39738), 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) [2021-10-08 15:57:54,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8990 states to 8990 states and 39738 transitions. [2021-10-08 15:57:54,171 INFO L78 Accepts]: Start accepts. Automaton has 8990 states and 39738 transitions. Word has length 8 [2021-10-08 15:57:54,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:54,173 INFO L470 AbstractCegarLoop]: Abstraction has 8990 states and 39738 transitions. [2021-10-08 15:57:54,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-10-08 15:57:54,173 INFO L276 IsEmpty]: Start isEmpty. Operand 8990 states and 39738 transitions. [2021-10-08 15:57:54,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-08 15:57:54,175 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:54,175 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:57:54,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-08 15:57:54,175 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:54,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:54,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1142431965, now seen corresponding path program 1 times [2021-10-08 15:57:54,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:54,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176204665] [2021-10-08 15:57:54,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:54,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:54,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:54,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176204665] [2021-10-08 15:57:54,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176204665] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:54,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257193765] [2021-10-08 15:57:54,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:54,401 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:54,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:57:54,403 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:57:54,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-08 15:57:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:54,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-08 15:57:54,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:57:54,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 694 treesize of output 662 [2021-10-08 15:57:54,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:57:54,725 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:57:54,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-10-08 15:57:54,769 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:57:54,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 24 [2021-10-08 15:57:54,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 7 [2021-10-08 15:57:54,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:54,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257193765] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:54,801 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:57:54,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-10-08 15:57:54,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625276283] [2021-10-08 15:57:54,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-08 15:57:54,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:54,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-08 15:57:54,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-08 15:57:54,802 INFO L87 Difference]: Start difference. First operand 8990 states and 39738 transitions. Second operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2021-10-08 15:57:55,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:55,376 INFO L93 Difference]: Finished difference Result 15322 states and 68195 transitions. [2021-10-08 15:57:55,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-08 15:57:55,376 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) Word has length 9 [2021-10-08 15:57:55,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:55,448 INFO L225 Difference]: With dead ends: 15322 [2021-10-08 15:57:55,449 INFO L226 Difference]: Without dead ends: 15322 [2021-10-08 15:57:55,449 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 262.2ms TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2021-10-08 15:57:55,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15322 states. [2021-10-08 15:57:55,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15322 to 10108. [2021-10-08 15:57:55,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10108 states, 9853 states have (on average 4.655434892926013) internal successors, (45870), 10107 states have internal predecessors, (45870), 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) [2021-10-08 15:57:56,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10108 states to 10108 states and 45870 transitions. [2021-10-08 15:57:56,014 INFO L78 Accepts]: Start accepts. Automaton has 10108 states and 45870 transitions. Word has length 9 [2021-10-08 15:57:56,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:56,014 INFO L470 AbstractCegarLoop]: Abstraction has 10108 states and 45870 transitions. [2021-10-08 15:57:56,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2021-10-08 15:57:56,014 INFO L276 IsEmpty]: Start isEmpty. Operand 10108 states and 45870 transitions. [2021-10-08 15:57:56,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-08 15:57:56,015 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:56,015 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:57:56,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-08 15:57:56,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:56,223 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:56,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:56,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1142431928, now seen corresponding path program 1 times [2021-10-08 15:57:56,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:56,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670988535] [2021-10-08 15:57:56,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:56,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:56,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:56,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:56,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670988535] [2021-10-08 15:57:56,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670988535] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:56,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158657286] [2021-10-08 15:57:56,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:56,406 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:56,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:57:56,407 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:57:56,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-08 15:57:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:56,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-08 15:57:56,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:57:56,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 61 [2021-10-08 15:57:56,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:57:56,702 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:57:56,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-10-08 15:57:56,752 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:57:56,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-10-08 15:57:56,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 [2021-10-08 15:57:56,786 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:56,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158657286] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:56,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:57:56,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-10-08 15:57:56,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253069738] [2021-10-08 15:57:56,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-08 15:57:56,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:56,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-08 15:57:56,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-08 15:57:56,792 INFO L87 Difference]: Start difference. First operand 10108 states and 45870 transitions. Second operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2021-10-08 15:57:57,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:57,328 INFO L93 Difference]: Finished difference Result 15316 states and 67055 transitions. [2021-10-08 15:57:57,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-08 15:57:57,329 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) Word has length 9 [2021-10-08 15:57:57,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:57,408 INFO L225 Difference]: With dead ends: 15316 [2021-10-08 15:57:57,408 INFO L226 Difference]: Without dead ends: 15316 [2021-10-08 15:57:57,408 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 289.0ms TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2021-10-08 15:57:57,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15316 states. [2021-10-08 15:57:57,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15316 to 10104. [2021-10-08 15:57:57,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10104 states, 9849 states have (on average 4.5417808914610625) internal successors, (44732), 10103 states have internal predecessors, (44732), 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) [2021-10-08 15:57:57,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10104 states to 10104 states and 44732 transitions. [2021-10-08 15:57:57,936 INFO L78 Accepts]: Start accepts. Automaton has 10104 states and 44732 transitions. Word has length 9 [2021-10-08 15:57:57,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:57,937 INFO L470 AbstractCegarLoop]: Abstraction has 10104 states and 44732 transitions. [2021-10-08 15:57:57,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2021-10-08 15:57:57,937 INFO L276 IsEmpty]: Start isEmpty. Operand 10104 states and 44732 transitions. [2021-10-08 15:57:57,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-08 15:57:57,938 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:57,938 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:57:57,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-08 15:57:58,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:58,146 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:58,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:58,147 INFO L82 PathProgramCache]: Analyzing trace with hash -998994126, now seen corresponding path program 1 times [2021-10-08 15:57:58,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:58,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448338760] [2021-10-08 15:57:58,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:58,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:58,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:58,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:58,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448338760] [2021-10-08 15:57:58,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448338760] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:57:58,193 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:57:58,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-08 15:57:58,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446248805] [2021-10-08 15:57:58,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 15:57:58,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:58,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 15:57:58,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-08 15:57:58,194 INFO L87 Difference]: Start difference. First operand 10104 states and 44732 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-10-08 15:57:58,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:58,301 INFO L93 Difference]: Finished difference Result 10177 states and 44885 transitions. [2021-10-08 15:57:58,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 15:57:58,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) Word has length 9 [2021-10-08 15:57:58,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:58,345 INFO L225 Difference]: With dead ends: 10177 [2021-10-08 15:57:58,345 INFO L226 Difference]: Without dead ends: 10104 [2021-10-08 15:57:58,345 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:57:58,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10104 states. [2021-10-08 15:57:58,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10104 to 10104. [2021-10-08 15:57:58,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10104 states, 9849 states have (on average 4.541679358310488) internal successors, (44731), 10103 states have internal predecessors, (44731), 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) [2021-10-08 15:57:58,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10104 states to 10104 states and 44731 transitions. [2021-10-08 15:57:58,603 INFO L78 Accepts]: Start accepts. Automaton has 10104 states and 44731 transitions. Word has length 9 [2021-10-08 15:57:58,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:58,603 INFO L470 AbstractCegarLoop]: Abstraction has 10104 states and 44731 transitions. [2021-10-08 15:57:58,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-10-08 15:57:58,603 INFO L276 IsEmpty]: Start isEmpty. Operand 10104 states and 44731 transitions. [2021-10-08 15:57:58,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-08 15:57:58,604 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:58,604 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:57:58,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-08 15:57:58,604 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:58,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:58,605 INFO L82 PathProgramCache]: Analyzing trace with hash -489577536, now seen corresponding path program 1 times [2021-10-08 15:57:58,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:58,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905589998] [2021-10-08 15:57:58,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:58,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:58,707 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:58,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:58,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905589998] [2021-10-08 15:57:58,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905589998] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:58,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468581968] [2021-10-08 15:57:58,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:58,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:58,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:57:58,712 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:57:58,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-08 15:57:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:58,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-08 15:57:58,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:57:58,892 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-08 15:57:58,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468581968] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:57:58,893 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 15:57:58,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [6] total 7 [2021-10-08 15:57:58,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316651655] [2021-10-08 15:57:58,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:57:58,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:58,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:57:58,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-10-08 15:57:58,894 INFO L87 Difference]: Start difference. First operand 10104 states and 44731 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-10-08 15:57:59,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:59,093 INFO L93 Difference]: Finished difference Result 6293 states and 27610 transitions. [2021-10-08 15:57:59,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:57:59,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) Word has length 10 [2021-10-08 15:57:59,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:59,117 INFO L225 Difference]: With dead ends: 6293 [2021-10-08 15:57:59,118 INFO L226 Difference]: Without dead ends: 6293 [2021-10-08 15:57:59,118 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 48.2ms TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-10-08 15:57:59,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6293 states. [2021-10-08 15:57:59,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6293 to 5781. [2021-10-08 15:57:59,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5781 states, 5701 states have (on average 4.448166988247676) internal successors, (25359), 5780 states have internal predecessors, (25359), 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) [2021-10-08 15:57:59,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5781 states to 5781 states and 25359 transitions. [2021-10-08 15:57:59,255 INFO L78 Accepts]: Start accepts. Automaton has 5781 states and 25359 transitions. Word has length 10 [2021-10-08 15:57:59,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:59,256 INFO L470 AbstractCegarLoop]: Abstraction has 5781 states and 25359 transitions. [2021-10-08 15:57:59,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-10-08 15:57:59,256 INFO L276 IsEmpty]: Start isEmpty. Operand 5781 states and 25359 transitions. [2021-10-08 15:57:59,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-08 15:57:59,257 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:59,257 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-10-08 15:57:59,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-10-08 15:57:59,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-10-08 15:57:59,464 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:57:59,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:59,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1006107492, now seen corresponding path program 1 times [2021-10-08 15:57:59,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:59,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464755570] [2021-10-08 15:57:59,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:59,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:59,535 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:59,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:59,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464755570] [2021-10-08 15:57:59,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464755570] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:59,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842855231] [2021-10-08 15:57:59,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:59,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:59,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:57:59,537 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:57:59,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-08 15:57:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:59,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-08 15:57:59,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:57:59,825 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:59,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842855231] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:59,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:57:59,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-10-08 15:57:59,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280565122] [2021-10-08 15:57:59,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-08 15:57:59,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:59,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-08 15:57:59,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-10-08 15:57:59,827 INFO L87 Difference]: Start difference. First operand 5781 states and 25359 transitions. Second operand has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:00,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:00,013 INFO L93 Difference]: Finished difference Result 8505 states and 34615 transitions. [2021-10-08 15:58:00,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 15:58:00,014 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-08 15:58:00,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:00,051 INFO L225 Difference]: With dead ends: 8505 [2021-10-08 15:58:00,051 INFO L226 Difference]: Without dead ends: 8477 [2021-10-08 15:58:00,052 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 86.5ms TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-10-08 15:58:00,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8477 states. [2021-10-08 15:58:00,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8477 to 6965. [2021-10-08 15:58:00,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6965 states, 6885 states have (on average 4.371822803195352) internal successors, (30100), 6964 states have internal predecessors, (30100), 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) [2021-10-08 15:58:00,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6965 states to 6965 states and 30100 transitions. [2021-10-08 15:58:00,225 INFO L78 Accepts]: Start accepts. Automaton has 6965 states and 30100 transitions. Word has length 10 [2021-10-08 15:58:00,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:00,225 INFO L470 AbstractCegarLoop]: Abstraction has 6965 states and 30100 transitions. [2021-10-08 15:58:00,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 6965 states and 30100 transitions. [2021-10-08 15:58:00,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-08 15:58:00,226 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:00,226 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:00,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-08 15:58:00,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,12 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:00,427 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:00,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:00,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1055724798, now seen corresponding path program 1 times [2021-10-08 15:58:00,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:00,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505384559] [2021-10-08 15:58:00,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:00,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:00,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:00,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:00,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505384559] [2021-10-08 15:58:00,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505384559] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:00,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227354599] [2021-10-08 15:58:00,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:00,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:00,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:00,631 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:00,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-08 15:58:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:00,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-08 15:58:00,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:00,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 61 [2021-10-08 15:58:01,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-10-08 15:58:01,099 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:01,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-10-08 15:58:01,181 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:01,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-10-08 15:58:01,271 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:01,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-10-08 15:58:01,344 INFO L354 Elim1Store]: treesize reduction 11, result has 21.4 percent of original size [2021-10-08 15:58:01,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 29 treesize of output 18 [2021-10-08 15:58:01,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:01,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227354599] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:01,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:01,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-10-08 15:58:01,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805565451] [2021-10-08 15:58:01,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-08 15:58:01,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:01,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-08 15:58:01,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-08 15:58:01,351 INFO L87 Difference]: Start difference. First operand 6965 states and 30100 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:02,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:02,155 INFO L93 Difference]: Finished difference Result 11006 states and 47186 transitions. [2021-10-08 15:58:02,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 15:58:02,155 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-08 15:58:02,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:02,228 INFO L225 Difference]: With dead ends: 11006 [2021-10-08 15:58:02,228 INFO L226 Difference]: Without dead ends: 11006 [2021-10-08 15:58:02,229 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 601.7ms TimeCoverageRelationStatistics Valid=95, Invalid=411, Unknown=0, NotChecked=0, Total=506 [2021-10-08 15:58:02,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11006 states. [2021-10-08 15:58:02,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11006 to 7638. [2021-10-08 15:58:02,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7638 states, 7558 states have (on average 4.454088383170151) internal successors, (33664), 7637 states have internal predecessors, (33664), 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) [2021-10-08 15:58:02,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7638 states to 7638 states and 33664 transitions. [2021-10-08 15:58:02,508 INFO L78 Accepts]: Start accepts. Automaton has 7638 states and 33664 transitions. Word has length 10 [2021-10-08 15:58:02,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:02,509 INFO L470 AbstractCegarLoop]: Abstraction has 7638 states and 33664 transitions. [2021-10-08 15:58:02,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:02,509 INFO L276 IsEmpty]: Start isEmpty. Operand 7638 states and 33664 transitions. [2021-10-08 15:58:02,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-08 15:58:02,510 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:02,510 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:02,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-08 15:58:02,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-10-08 15:58:02,711 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:02,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:02,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1055724883, now seen corresponding path program 1 times [2021-10-08 15:58:02,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:02,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607607071] [2021-10-08 15:58:02,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:02,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:02,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:02,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607607071] [2021-10-08 15:58:02,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607607071] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:02,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331934532] [2021-10-08 15:58:02,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:02,897 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:02,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:02,900 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:02,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-08 15:58:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:03,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-08 15:58:03,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:03,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 61 [2021-10-08 15:58:03,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-08 15:58:03,379 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:03,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2021-10-08 15:58:03,465 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:03,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2021-10-08 15:58:03,542 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:03,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 32 [2021-10-08 15:58:03,601 INFO L354 Elim1Store]: treesize reduction 11, result has 21.4 percent of original size [2021-10-08 15:58:03,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 16 [2021-10-08 15:58:03,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:03,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331934532] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:03,605 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:03,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-10-08 15:58:03,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036674617] [2021-10-08 15:58:03,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-08 15:58:03,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:03,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-08 15:58:03,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-08 15:58:03,607 INFO L87 Difference]: Start difference. First operand 7638 states and 33664 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:04,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:04,358 INFO L93 Difference]: Finished difference Result 10992 states and 46473 transitions. [2021-10-08 15:58:04,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 15:58:04,359 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-08 15:58:04,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:04,426 INFO L225 Difference]: With dead ends: 10992 [2021-10-08 15:58:04,426 INFO L226 Difference]: Without dead ends: 10988 [2021-10-08 15:58:04,427 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 539.9ms TimeCoverageRelationStatistics Valid=95, Invalid=411, Unknown=0, NotChecked=0, Total=506 [2021-10-08 15:58:04,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10988 states. [2021-10-08 15:58:04,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10988 to 6951. [2021-10-08 15:58:04,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6951 states, 6871 states have (on average 4.373890263425993) internal successors, (30053), 6950 states have internal predecessors, (30053), 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) [2021-10-08 15:58:04,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6951 states to 6951 states and 30053 transitions. [2021-10-08 15:58:04,733 INFO L78 Accepts]: Start accepts. Automaton has 6951 states and 30053 transitions. Word has length 10 [2021-10-08 15:58:04,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:04,733 INFO L470 AbstractCegarLoop]: Abstraction has 6951 states and 30053 transitions. [2021-10-08 15:58:04,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:04,734 INFO L276 IsEmpty]: Start isEmpty. Operand 6951 states and 30053 transitions. [2021-10-08 15:58:04,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-08 15:58:04,734 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:04,734 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:04,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-08 15:58:04,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-10-08 15:58:04,942 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:04,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:04,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1055723947, now seen corresponding path program 1 times [2021-10-08 15:58:04,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:04,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000321002] [2021-10-08 15:58:04,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:04,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:05,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:05,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:05,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000321002] [2021-10-08 15:58:05,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000321002] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:05,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733336349] [2021-10-08 15:58:05,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:05,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:05,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:05,126 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:05,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-08 15:58:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:05,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 29 conjunts are in the unsatisfiable core [2021-10-08 15:58:05,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:05,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2158 treesize of output 2126 [2021-10-08 15:58:05,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:58:05,717 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:58:05,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-10-08 15:58:05,767 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:58:05,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-10-08 15:58:05,812 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:58:05,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 24 [2021-10-08 15:58:05,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 7 [2021-10-08 15:58:05,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:05,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733336349] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:05,842 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:05,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-10-08 15:58:05,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543808889] [2021-10-08 15:58:05,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-08 15:58:05,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:05,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-08 15:58:05,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-10-08 15:58:05,843 INFO L87 Difference]: Start difference. First operand 6951 states and 30053 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:06,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:06,177 INFO L93 Difference]: Finished difference Result 10861 states and 46838 transitions. [2021-10-08 15:58:06,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 15:58:06,185 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-08 15:58:06,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:06,227 INFO L225 Difference]: With dead ends: 10861 [2021-10-08 15:58:06,227 INFO L226 Difference]: Without dead ends: 10861 [2021-10-08 15:58:06,227 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 227.2ms TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2021-10-08 15:58:06,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10861 states. [2021-10-08 15:58:06,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10861 to 7761. [2021-10-08 15:58:06,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7761 states, 7681 states have (on average 4.464783231350085) internal successors, (34294), 7760 states have internal predecessors, (34294), 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) [2021-10-08 15:58:06,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7761 states to 7761 states and 34294 transitions. [2021-10-08 15:58:06,434 INFO L78 Accepts]: Start accepts. Automaton has 7761 states and 34294 transitions. Word has length 10 [2021-10-08 15:58:06,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:06,434 INFO L470 AbstractCegarLoop]: Abstraction has 7761 states and 34294 transitions. [2021-10-08 15:58:06,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:06,434 INFO L276 IsEmpty]: Start isEmpty. Operand 7761 states and 34294 transitions. [2021-10-08 15:58:06,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-08 15:58:06,435 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:06,435 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:06,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-08 15:58:06,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-10-08 15:58:06,636 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:06,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:06,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1055723910, now seen corresponding path program 1 times [2021-10-08 15:58:06,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:06,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956760656] [2021-10-08 15:58:06,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:06,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:06,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:06,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:06,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956760656] [2021-10-08 15:58:06,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956760656] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:06,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233954721] [2021-10-08 15:58:06,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:06,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:06,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:06,901 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:06,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-08 15:58:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:07,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-08 15:58:07,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:07,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 182 treesize of output 174 [2021-10-08 15:58:07,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-10-08 15:58:07,311 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:07,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-10-08 15:58:07,394 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:07,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-10-08 15:58:07,466 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:07,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-10-08 15:58:07,522 INFO L354 Elim1Store]: treesize reduction 11, result has 21.4 percent of original size [2021-10-08 15:58:07,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 29 treesize of output 18 [2021-10-08 15:58:07,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:07,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233954721] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:07,526 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:07,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-10-08 15:58:07,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445597367] [2021-10-08 15:58:07,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-08 15:58:07,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:07,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-08 15:58:07,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-08 15:58:07,528 INFO L87 Difference]: Start difference. First operand 7761 states and 34294 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:08,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:08,247 INFO L93 Difference]: Finished difference Result 10870 states and 46022 transitions. [2021-10-08 15:58:08,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 15:58:08,248 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-08 15:58:08,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:08,293 INFO L225 Difference]: With dead ends: 10870 [2021-10-08 15:58:08,293 INFO L226 Difference]: Without dead ends: 10864 [2021-10-08 15:58:08,293 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 550.8ms TimeCoverageRelationStatistics Valid=95, Invalid=411, Unknown=0, NotChecked=0, Total=506 [2021-10-08 15:58:08,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10864 states. [2021-10-08 15:58:08,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10864 to 6930. [2021-10-08 15:58:08,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6930 states, 6850 states have (on average 4.374452554744526) internal successors, (29965), 6929 states have internal predecessors, (29965), 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) [2021-10-08 15:58:08,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6930 states to 6930 states and 29965 transitions. [2021-10-08 15:58:08,498 INFO L78 Accepts]: Start accepts. Automaton has 6930 states and 29965 transitions. Word has length 10 [2021-10-08 15:58:08,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:08,498 INFO L470 AbstractCegarLoop]: Abstraction has 6930 states and 29965 transitions. [2021-10-08 15:58:08,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:08,499 INFO L276 IsEmpty]: Start isEmpty. Operand 6930 states and 29965 transitions. [2021-10-08 15:58:08,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-08 15:58:08,499 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:08,499 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:08,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-10-08 15:58:08,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-10-08 15:58:08,701 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:08,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:08,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1665561950, now seen corresponding path program 1 times [2021-10-08 15:58:08,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:08,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576762319] [2021-10-08 15:58:08,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:08,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:08,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:08,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:08,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576762319] [2021-10-08 15:58:08,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576762319] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:08,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055663692] [2021-10-08 15:58:08,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:08,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:08,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:08,758 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:08,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-10-08 15:58:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:08,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-08 15:58:08,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:09,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:09,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055663692] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:09,021 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:09,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-10-08 15:58:09,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2301607] [2021-10-08 15:58:09,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-08 15:58:09,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:09,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-08 15:58:09,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-08 15:58:09,023 INFO L87 Difference]: Start difference. First operand 6930 states and 29965 transitions. Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:09,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:09,110 INFO L93 Difference]: Finished difference Result 7002 states and 30117 transitions. [2021-10-08 15:58:09,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 15:58:09,111 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-08 15:58:09,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:09,136 INFO L225 Difference]: With dead ends: 7002 [2021-10-08 15:58:09,136 INFO L226 Difference]: Without dead ends: 6929 [2021-10-08 15:58:09,137 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 32.8ms TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-10-08 15:58:09,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6929 states. [2021-10-08 15:58:09,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6929 to 6929. [2021-10-08 15:58:09,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6929 states, 6849 states have (on average 4.374799240765075) internal successors, (29963), 6928 states have internal predecessors, (29963), 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) [2021-10-08 15:58:09,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6929 states to 6929 states and 29963 transitions. [2021-10-08 15:58:09,288 INFO L78 Accepts]: Start accepts. Automaton has 6929 states and 29963 transitions. Word has length 10 [2021-10-08 15:58:09,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:09,288 INFO L470 AbstractCegarLoop]: Abstraction has 6929 states and 29963 transitions. [2021-10-08 15:58:09,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:09,288 INFO L276 IsEmpty]: Start isEmpty. Operand 6929 states and 29963 transitions. [2021-10-08 15:58:09,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-08 15:58:09,289 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:09,289 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:09,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-10-08 15:58:09,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-10-08 15:58:09,490 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:09,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:09,491 INFO L82 PathProgramCache]: Analyzing trace with hash 2002967139, now seen corresponding path program 1 times [2021-10-08 15:58:09,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:09,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043534536] [2021-10-08 15:58:09,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:09,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:09,642 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:09,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:09,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043534536] [2021-10-08 15:58:09,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043534536] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:09,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082132153] [2021-10-08 15:58:09,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:09,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:09,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:09,644 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:09,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-08 15:58:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:09,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-08 15:58:09,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:09,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 99 treesize of output 95 [2021-10-08 15:58:09,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:58:10,001 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:58:10,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-10-08 15:58:10,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 [2021-10-08 15:58:10,069 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:10,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082132153] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:10,069 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:10,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-10-08 15:58:10,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434350599] [2021-10-08 15:58:10,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-08 15:58:10,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:10,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-08 15:58:10,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-10-08 15:58:10,071 INFO L87 Difference]: Start difference. First operand 6929 states and 29963 transitions. Second operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) [2021-10-08 15:58:10,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:10,492 INFO L93 Difference]: Finished difference Result 11002 states and 46261 transitions. [2021-10-08 15:58:10,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-08 15:58:10,493 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) Word has length 11 [2021-10-08 15:58:10,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:10,562 INFO L225 Difference]: With dead ends: 11002 [2021-10-08 15:58:10,563 INFO L226 Difference]: Without dead ends: 11002 [2021-10-08 15:58:10,565 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 241.1ms TimeCoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2021-10-08 15:58:10,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11002 states. [2021-10-08 15:58:10,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11002 to 7449. [2021-10-08 15:58:10,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7449 states, 7369 states have (on average 4.445379291627086) internal successors, (32758), 7448 states have internal predecessors, (32758), 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) [2021-10-08 15:58:10,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7449 states to 7449 states and 32758 transitions. [2021-10-08 15:58:10,875 INFO L78 Accepts]: Start accepts. Automaton has 7449 states and 32758 transitions. Word has length 11 [2021-10-08 15:58:10,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:10,875 INFO L470 AbstractCegarLoop]: Abstraction has 7449 states and 32758 transitions. [2021-10-08 15:58:10,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) [2021-10-08 15:58:10,876 INFO L276 IsEmpty]: Start isEmpty. Operand 7449 states and 32758 transitions. [2021-10-08 15:58:10,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-08 15:58:10,876 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:10,877 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:10,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-10-08 15:58:11,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-10-08 15:58:11,083 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:11,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:11,084 INFO L82 PathProgramCache]: Analyzing trace with hash 2002967224, now seen corresponding path program 2 times [2021-10-08 15:58:11,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:11,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074519027] [2021-10-08 15:58:11,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:11,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:11,246 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:11,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:11,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074519027] [2021-10-08 15:58:11,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074519027] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:11,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042162536] [2021-10-08 15:58:11,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:58:11,247 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:11,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:11,248 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:11,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-08 15:58:11,479 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:58:11,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:58:11,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-08 15:58:11,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:11,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 639 treesize of output 623 [2021-10-08 15:58:11,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-08 15:58:11,715 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:11,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 32 [2021-10-08 15:58:11,869 INFO L354 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2021-10-08 15:58:11,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2021-10-08 15:58:11,873 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:11,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042162536] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:11,873 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:11,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-10-08 15:58:11,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509272273] [2021-10-08 15:58:11,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-08 15:58:11,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:11,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-08 15:58:11,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-10-08 15:58:11,875 INFO L87 Difference]: Start difference. First operand 7449 states and 32758 transitions. Second operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) [2021-10-08 15:58:12,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:12,675 INFO L93 Difference]: Finished difference Result 11533 states and 48557 transitions. [2021-10-08 15:58:12,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-08 15:58:12,676 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) Word has length 11 [2021-10-08 15:58:12,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:12,720 INFO L225 Difference]: With dead ends: 11533 [2021-10-08 15:58:12,720 INFO L226 Difference]: Without dead ends: 11533 [2021-10-08 15:58:12,721 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 528.8ms TimeCoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2021-10-08 15:58:12,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11533 states. [2021-10-08 15:58:12,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11533 to 7459. [2021-10-08 15:58:12,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7459 states, 7379 states have (on average 4.442336359940371) internal successors, (32780), 7458 states have internal predecessors, (32780), 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) [2021-10-08 15:58:12,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7459 states to 7459 states and 32780 transitions. [2021-10-08 15:58:12,930 INFO L78 Accepts]: Start accepts. Automaton has 7459 states and 32780 transitions. Word has length 11 [2021-10-08 15:58:12,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:12,930 INFO L470 AbstractCegarLoop]: Abstraction has 7459 states and 32780 transitions. [2021-10-08 15:58:12,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) [2021-10-08 15:58:12,930 INFO L276 IsEmpty]: Start isEmpty. Operand 7459 states and 32780 transitions. [2021-10-08 15:58:12,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-08 15:58:12,931 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:12,931 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:12,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-10-08 15:58:13,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:13,136 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:13,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:13,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1999835350, now seen corresponding path program 1 times [2021-10-08 15:58:13,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:13,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483146147] [2021-10-08 15:58:13,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:13,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:13,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:13,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:13,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483146147] [2021-10-08 15:58:13,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483146147] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:13,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995711632] [2021-10-08 15:58:13,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:13,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:13,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:13,311 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:13,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-10-08 15:58:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:13,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-08 15:58:13,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:13,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 61 [2021-10-08 15:58:13,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-08 15:58:13,794 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:13,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2021-10-08 15:58:13,934 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:13,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 32 [2021-10-08 15:58:14,015 INFO L354 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2021-10-08 15:58:14,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2021-10-08 15:58:14,019 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:14,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995711632] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:14,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:14,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-08 15:58:14,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170035863] [2021-10-08 15:58:14,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-08 15:58:14,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:14,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-08 15:58:14,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-10-08 15:58:14,022 INFO L87 Difference]: Start difference. First operand 7459 states and 32780 transitions. Second operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 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) [2021-10-08 15:58:15,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:15,290 INFO L93 Difference]: Finished difference Result 11935 states and 51351 transitions. [2021-10-08 15:58:15,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-08 15:58:15,290 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 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) Word has length 11 [2021-10-08 15:58:15,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:15,344 INFO L225 Difference]: With dead ends: 11935 [2021-10-08 15:58:15,344 INFO L226 Difference]: Without dead ends: 11935 [2021-10-08 15:58:15,345 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 853.3ms TimeCoverageRelationStatistics Valid=179, Invalid=1011, Unknown=0, NotChecked=0, Total=1190 [2021-10-08 15:58:15,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11935 states. [2021-10-08 15:58:15,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11935 to 8271. [2021-10-08 15:58:15,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8271 states, 8191 states have (on average 4.528140642168234) internal successors, (37090), 8270 states have internal predecessors, (37090), 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) [2021-10-08 15:58:15,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8271 states to 8271 states and 37090 transitions. [2021-10-08 15:58:15,623 INFO L78 Accepts]: Start accepts. Automaton has 8271 states and 37090 transitions. Word has length 11 [2021-10-08 15:58:15,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:15,623 INFO L470 AbstractCegarLoop]: Abstraction has 8271 states and 37090 transitions. [2021-10-08 15:58:15,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 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) [2021-10-08 15:58:15,623 INFO L276 IsEmpty]: Start isEmpty. Operand 8271 states and 37090 transitions. [2021-10-08 15:58:15,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-08 15:58:15,624 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:15,624 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:15,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-10-08 15:58:15,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-10-08 15:58:15,830 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:15,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:15,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1999835313, now seen corresponding path program 1 times [2021-10-08 15:58:15,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:15,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675792545] [2021-10-08 15:58:15,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:15,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:16,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:16,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675792545] [2021-10-08 15:58:16,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675792545] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:16,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925175486] [2021-10-08 15:58:16,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:16,053 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:16,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:16,060 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:16,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-10-08 15:58:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:16,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-08 15:58:16,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:16,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 679 treesize of output 647 [2021-10-08 15:58:16,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-10-08 15:58:16,623 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:16,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-10-08 15:58:16,749 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:16,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-10-08 15:58:16,840 INFO L354 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2021-10-08 15:58:16,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 36 treesize of output 23 [2021-10-08 15:58:16,845 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:16,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925175486] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:16,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:16,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-08 15:58:16,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122270807] [2021-10-08 15:58:16,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-08 15:58:16,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:16,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-08 15:58:16,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-10-08 15:58:16,849 INFO L87 Difference]: Start difference. First operand 8271 states and 37090 transitions. Second operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 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) [2021-10-08 15:58:18,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:18,146 INFO L93 Difference]: Finished difference Result 11927 states and 50567 transitions. [2021-10-08 15:58:18,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-08 15:58:18,148 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 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) Word has length 11 [2021-10-08 15:58:18,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:18,213 INFO L225 Difference]: With dead ends: 11927 [2021-10-08 15:58:18,214 INFO L226 Difference]: Without dead ends: 11927 [2021-10-08 15:58:18,214 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 864.2ms TimeCoverageRelationStatistics Valid=179, Invalid=1011, Unknown=0, NotChecked=0, Total=1190 [2021-10-08 15:58:18,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11927 states. [2021-10-08 15:58:18,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11927 to 7676. [2021-10-08 15:58:18,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7676 states, 7596 states have (on average 4.442601369141654) internal successors, (33746), 7675 states have internal predecessors, (33746), 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) [2021-10-08 15:58:18,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7676 states to 7676 states and 33746 transitions. [2021-10-08 15:58:18,435 INFO L78 Accepts]: Start accepts. Automaton has 7676 states and 33746 transitions. Word has length 11 [2021-10-08 15:58:18,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:18,435 INFO L470 AbstractCegarLoop]: Abstraction has 7676 states and 33746 transitions. [2021-10-08 15:58:18,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 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) [2021-10-08 15:58:18,435 INFO L276 IsEmpty]: Start isEmpty. Operand 7676 states and 33746 transitions. [2021-10-08 15:58:18,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-08 15:58:18,436 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:18,436 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:18,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-10-08 15:58:18,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,21 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:18,637 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:18,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:18,638 INFO L82 PathProgramCache]: Analyzing trace with hash 2052509572, now seen corresponding path program 1 times [2021-10-08 15:58:18,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:18,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303029047] [2021-10-08 15:58:18,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:18,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:18,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:18,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:18,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303029047] [2021-10-08 15:58:18,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303029047] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:18,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691485622] [2021-10-08 15:58:18,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:18,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:18,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:18,812 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:18,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-08 15:58:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:19,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-08 15:58:19,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:19,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 781 treesize of output 717 [2021-10-08 15:58:19,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-10-08 15:58:19,318 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:19,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-10-08 15:58:19,405 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:19,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-10-08 15:58:19,535 INFO L354 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2021-10-08 15:58:19,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 36 treesize of output 23 [2021-10-08 15:58:19,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:19,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691485622] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:19,539 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:19,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-08 15:58:19,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070382426] [2021-10-08 15:58:19,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-08 15:58:19,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:19,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-08 15:58:19,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-10-08 15:58:19,541 INFO L87 Difference]: Start difference. First operand 7676 states and 33746 transitions. Second operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 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) [2021-10-08 15:58:23,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:23,035 INFO L93 Difference]: Finished difference Result 12638 states and 53238 transitions. [2021-10-08 15:58:23,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-08 15:58:23,036 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 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) Word has length 11 [2021-10-08 15:58:23,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:23,125 INFO L225 Difference]: With dead ends: 12638 [2021-10-08 15:58:23,125 INFO L226 Difference]: Without dead ends: 12638 [2021-10-08 15:58:23,126 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 929.5ms TimeCoverageRelationStatistics Valid=193, Invalid=1139, Unknown=0, NotChecked=0, Total=1332 [2021-10-08 15:58:23,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12638 states. [2021-10-08 15:58:23,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12638 to 7704. [2021-10-08 15:58:23,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7704 states, 7624 states have (on average 4.439008394543547) internal successors, (33843), 7703 states have internal predecessors, (33843), 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) [2021-10-08 15:58:23,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7704 states to 7704 states and 33843 transitions. [2021-10-08 15:58:23,496 INFO L78 Accepts]: Start accepts. Automaton has 7704 states and 33843 transitions. Word has length 11 [2021-10-08 15:58:23,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:23,496 INFO L470 AbstractCegarLoop]: Abstraction has 7704 states and 33843 transitions. [2021-10-08 15:58:23,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 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) [2021-10-08 15:58:23,497 INFO L276 IsEmpty]: Start isEmpty. Operand 7704 states and 33843 transitions. [2021-10-08 15:58:23,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-08 15:58:23,497 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:23,498 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:23,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-10-08 15:58:23,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-10-08 15:58:23,705 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:23,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:23,705 INFO L82 PathProgramCache]: Analyzing trace with hash 2052509657, now seen corresponding path program 1 times [2021-10-08 15:58:23,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:23,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055929142] [2021-10-08 15:58:23,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:23,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:23,907 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:23,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:23,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055929142] [2021-10-08 15:58:23,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055929142] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:23,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825307010] [2021-10-08 15:58:23,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:23,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:23,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:23,910 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:23,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-10-08 15:58:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:24,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-08 15:58:24,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:24,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 774 treesize of output 742 [2021-10-08 15:58:24,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-08 15:58:24,558 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:24,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2021-10-08 15:58:24,643 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:24,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 32 [2021-10-08 15:58:24,774 INFO L354 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2021-10-08 15:58:24,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2021-10-08 15:58:24,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:24,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825307010] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:24,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:24,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-08 15:58:24,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492332551] [2021-10-08 15:58:24,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-08 15:58:24,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:24,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-08 15:58:24,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-10-08 15:58:24,781 INFO L87 Difference]: Start difference. First operand 7704 states and 33843 transitions. Second operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 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) [2021-10-08 15:58:26,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:26,203 INFO L93 Difference]: Finished difference Result 12032 states and 49980 transitions. [2021-10-08 15:58:26,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-08 15:58:26,203 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 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) Word has length 11 [2021-10-08 15:58:26,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:26,255 INFO L225 Difference]: With dead ends: 12032 [2021-10-08 15:58:26,255 INFO L226 Difference]: Without dead ends: 12032 [2021-10-08 15:58:26,256 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 968.0ms TimeCoverageRelationStatistics Valid=193, Invalid=1139, Unknown=0, NotChecked=0, Total=1332 [2021-10-08 15:58:26,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12032 states. [2021-10-08 15:58:26,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12032 to 7096. [2021-10-08 15:58:26,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7096 states, 7016 states have (on average 4.3576111744583805) internal successors, (30573), 7095 states have internal predecessors, (30573), 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) [2021-10-08 15:58:26,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7096 states to 7096 states and 30573 transitions. [2021-10-08 15:58:26,503 INFO L78 Accepts]: Start accepts. Automaton has 7096 states and 30573 transitions. Word has length 11 [2021-10-08 15:58:26,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:26,503 INFO L470 AbstractCegarLoop]: Abstraction has 7096 states and 30573 transitions. [2021-10-08 15:58:26,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 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) [2021-10-08 15:58:26,503 INFO L276 IsEmpty]: Start isEmpty. Operand 7096 states and 30573 transitions. [2021-10-08 15:58:26,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-08 15:58:26,504 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:26,504 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:26,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2021-10-08 15:58:26,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-10-08 15:58:26,705 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:26,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:26,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1632545614, now seen corresponding path program 2 times [2021-10-08 15:58:26,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:26,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964653655] [2021-10-08 15:58:26,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:26,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:26,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:26,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:26,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964653655] [2021-10-08 15:58:26,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964653655] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:26,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179871238] [2021-10-08 15:58:26,943 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:58:26,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:26,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:26,944 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:26,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-10-08 15:58:27,254 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:58:27,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:58:27,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-08 15:58:27,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:27,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 99 treesize of output 95 [2021-10-08 15:58:27,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:58:27,552 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:58:27,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-10-08 15:58:27,622 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:58:27,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-10-08 15:58:27,682 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:58:27,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 24 [2021-10-08 15:58:27,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 9 [2021-10-08 15:58:27,746 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:27,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179871238] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:27,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:27,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-10-08 15:58:27,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206769654] [2021-10-08 15:58:27,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-08 15:58:27,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:27,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-08 15:58:27,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-10-08 15:58:27,748 INFO L87 Difference]: Start difference. First operand 7096 states and 30573 transitions. Second operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) [2021-10-08 15:58:28,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:28,181 INFO L93 Difference]: Finished difference Result 11798 states and 52147 transitions. [2021-10-08 15:58:28,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-08 15:58:28,181 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) Word has length 11 [2021-10-08 15:58:28,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:28,237 INFO L225 Difference]: With dead ends: 11798 [2021-10-08 15:58:28,237 INFO L226 Difference]: Without dead ends: 11798 [2021-10-08 15:58:28,237 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 351.0ms TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2021-10-08 15:58:28,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11798 states. [2021-10-08 15:58:28,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11798 to 8307. [2021-10-08 15:58:28,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8307 states, 8227 states have (on average 4.503221101251976) internal successors, (37048), 8306 states have internal predecessors, (37048), 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) [2021-10-08 15:58:28,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8307 states to 8307 states and 37048 transitions. [2021-10-08 15:58:28,516 INFO L78 Accepts]: Start accepts. Automaton has 8307 states and 37048 transitions. Word has length 11 [2021-10-08 15:58:28,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:28,516 INFO L470 AbstractCegarLoop]: Abstraction has 8307 states and 37048 transitions. [2021-10-08 15:58:28,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) [2021-10-08 15:58:28,516 INFO L276 IsEmpty]: Start isEmpty. Operand 8307 states and 37048 transitions. [2021-10-08 15:58:28,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-08 15:58:28,517 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:28,517 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:28,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-10-08 15:58:28,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:28,718 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:28,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:28,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1632545479, now seen corresponding path program 1 times [2021-10-08 15:58:28,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:28,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228245911] [2021-10-08 15:58:28,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:28,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:28,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:28,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:28,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228245911] [2021-10-08 15:58:28,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228245911] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:28,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653823588] [2021-10-08 15:58:28,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:28,969 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:28,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:28,971 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:28,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-10-08 15:58:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:29,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-08 15:58:29,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:29,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2166 treesize of output 2038 [2021-10-08 15:58:29,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-08 15:58:29,788 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:29,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2021-10-08 15:58:29,878 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:29,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2021-10-08 15:58:29,953 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:29,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 32 [2021-10-08 15:58:30,024 INFO L354 Elim1Store]: treesize reduction 11, result has 21.4 percent of original size [2021-10-08 15:58:30,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 16 [2021-10-08 15:58:30,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:30,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653823588] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:30,028 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:30,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-10-08 15:58:30,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871425642] [2021-10-08 15:58:30,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-08 15:58:30,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:30,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-08 15:58:30,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-08 15:58:30,029 INFO L87 Difference]: Start difference. First operand 8307 states and 37048 transitions. Second operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) [2021-10-08 15:58:30,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:30,569 INFO L93 Difference]: Finished difference Result 11534 states and 50623 transitions. [2021-10-08 15:58:30,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 15:58:30,569 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) Word has length 11 [2021-10-08 15:58:30,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:30,614 INFO L225 Difference]: With dead ends: 11534 [2021-10-08 15:58:30,614 INFO L226 Difference]: Without dead ends: 11534 [2021-10-08 15:58:30,615 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 490.2ms TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2021-10-08 15:58:30,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11534 states. [2021-10-08 15:58:30,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11534 to 8872. [2021-10-08 15:58:30,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8872 states, 8792 states have (on average 4.463603275705187) internal successors, (39244), 8871 states have internal predecessors, (39244), 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) [2021-10-08 15:58:30,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8872 states to 8872 states and 39244 transitions. [2021-10-08 15:58:30,857 INFO L78 Accepts]: Start accepts. Automaton has 8872 states and 39244 transitions. Word has length 11 [2021-10-08 15:58:30,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:30,857 INFO L470 AbstractCegarLoop]: Abstraction has 8872 states and 39244 transitions. [2021-10-08 15:58:30,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) [2021-10-08 15:58:30,858 INFO L276 IsEmpty]: Start isEmpty. Operand 8872 states and 39244 transitions. [2021-10-08 15:58:30,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-08 15:58:30,859 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:30,859 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:30,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2021-10-08 15:58:31,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-10-08 15:58:31,060 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:31,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:31,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1962503294, now seen corresponding path program 1 times [2021-10-08 15:58:31,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:31,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865130284] [2021-10-08 15:58:31,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:31,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:31,331 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:31,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:31,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865130284] [2021-10-08 15:58:31,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865130284] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:31,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306081784] [2021-10-08 15:58:31,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:31,332 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:31,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:31,333 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:31,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-10-08 15:58:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:31,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-08 15:58:31,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:31,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 61 [2021-10-08 15:58:31,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-10-08 15:58:31,944 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:31,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-10-08 15:58:32,131 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:32,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-10-08 15:58:32,202 INFO L354 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2021-10-08 15:58:32,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 36 treesize of output 23 [2021-10-08 15:58:32,206 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:32,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306081784] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:32,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:32,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-08 15:58:32,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512396378] [2021-10-08 15:58:32,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-08 15:58:32,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:32,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-08 15:58:32,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-10-08 15:58:32,208 INFO L87 Difference]: Start difference. First operand 8872 states and 39244 transitions. Second operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:34,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:34,102 INFO L93 Difference]: Finished difference Result 33193 states and 148091 transitions. [2021-10-08 15:58:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-08 15:58:34,103 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-08 15:58:34,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:34,267 INFO L225 Difference]: With dead ends: 33193 [2021-10-08 15:58:34,267 INFO L226 Difference]: Without dead ends: 33193 [2021-10-08 15:58:34,268 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 1043.3ms TimeCoverageRelationStatistics Valid=202, Invalid=790, Unknown=0, NotChecked=0, Total=992 [2021-10-08 15:58:34,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33193 states. [2021-10-08 15:58:34,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33193 to 16147. [2021-10-08 15:58:34,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16147 states, 16067 states have (on average 4.890147507313126) internal successors, (78570), 16146 states have internal predecessors, (78570), 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) [2021-10-08 15:58:35,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16147 states to 16147 states and 78570 transitions. [2021-10-08 15:58:35,073 INFO L78 Accepts]: Start accepts. Automaton has 16147 states and 78570 transitions. Word has length 12 [2021-10-08 15:58:35,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:35,074 INFO L470 AbstractCegarLoop]: Abstraction has 16147 states and 78570 transitions. [2021-10-08 15:58:35,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:35,074 INFO L276 IsEmpty]: Start isEmpty. Operand 16147 states and 78570 transitions. [2021-10-08 15:58:35,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-08 15:58:35,075 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:35,075 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:35,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-10-08 15:58:35,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,26 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:35,282 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:35,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:35,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1962503379, now seen corresponding path program 1 times [2021-10-08 15:58:35,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:35,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767066577] [2021-10-08 15:58:35,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:35,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:35,454 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:35,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:35,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767066577] [2021-10-08 15:58:35,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767066577] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:35,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521163406] [2021-10-08 15:58:35,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:35,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:35,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:35,456 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:35,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-10-08 15:58:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:35,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-08 15:58:35,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:35,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 584 treesize of output 552 [2021-10-08 15:58:35,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-08 15:58:36,066 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:36,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2021-10-08 15:58:36,236 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:36,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 32 [2021-10-08 15:58:36,301 INFO L354 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2021-10-08 15:58:36,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2021-10-08 15:58:36,305 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:36,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521163406] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:36,306 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:36,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-08 15:58:36,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943559900] [2021-10-08 15:58:36,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-08 15:58:36,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:36,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-08 15:58:36,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-10-08 15:58:36,309 INFO L87 Difference]: Start difference. First operand 16147 states and 78570 transitions. Second operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:37,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:37,942 INFO L93 Difference]: Finished difference Result 26445 states and 124026 transitions. [2021-10-08 15:58:37,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-08 15:58:37,942 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-08 15:58:37,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:38,068 INFO L225 Difference]: With dead ends: 26445 [2021-10-08 15:58:38,069 INFO L226 Difference]: Without dead ends: 26445 [2021-10-08 15:58:38,069 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 832.3ms TimeCoverageRelationStatistics Valid=179, Invalid=1011, Unknown=0, NotChecked=0, Total=1190 [2021-10-08 15:58:38,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26445 states. [2021-10-08 15:58:38,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26445 to 16060. [2021-10-08 15:58:38,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16060 states, 15980 states have (on average 4.88811013767209) internal successors, (78112), 16059 states have internal predecessors, (78112), 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) [2021-10-08 15:58:38,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16060 states to 16060 states and 78112 transitions. [2021-10-08 15:58:38,843 INFO L78 Accepts]: Start accepts. Automaton has 16060 states and 78112 transitions. Word has length 12 [2021-10-08 15:58:38,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:38,843 INFO L470 AbstractCegarLoop]: Abstraction has 16060 states and 78112 transitions. [2021-10-08 15:58:38,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:38,843 INFO L276 IsEmpty]: Start isEmpty. Operand 16060 states and 78112 transitions. [2021-10-08 15:58:38,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-08 15:58:38,844 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:38,844 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:38,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-10-08 15:58:39,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-10-08 15:58:39,051 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:39,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:39,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1865425106, now seen corresponding path program 1 times [2021-10-08 15:58:39,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:39,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527841672] [2021-10-08 15:58:39,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:39,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:39,290 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:39,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:39,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527841672] [2021-10-08 15:58:39,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527841672] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:39,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650000450] [2021-10-08 15:58:39,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:39,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:39,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:39,294 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:39,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-10-08 15:58:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:39,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-08 15:58:39,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:39,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 61 [2021-10-08 15:58:39,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-08 15:58:39,913 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:39,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2021-10-08 15:58:40,060 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:40,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2021-10-08 15:58:40,142 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:58:40,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 32 [2021-10-08 15:58:40,208 INFO L354 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2021-10-08 15:58:40,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2021-10-08 15:58:40,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:40,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650000450] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:40,212 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:40,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-10-08 15:58:40,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834523659] [2021-10-08 15:58:40,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-08 15:58:40,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:40,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-08 15:58:40,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2021-10-08 15:58:40,214 INFO L87 Difference]: Start difference. First operand 16060 states and 78112 transitions. Second operand has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:42,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:42,111 INFO L93 Difference]: Finished difference Result 25784 states and 123897 transitions. [2021-10-08 15:58:42,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-08 15:58:42,112 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-08 15:58:42,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:42,241 INFO L225 Difference]: With dead ends: 25784 [2021-10-08 15:58:42,241 INFO L226 Difference]: Without dead ends: 25784 [2021-10-08 15:58:42,242 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1053.9ms TimeCoverageRelationStatistics Valid=197, Invalid=1135, Unknown=0, NotChecked=0, Total=1332 [2021-10-08 15:58:42,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25784 states. [2021-10-08 15:58:42,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25784 to 17041. [2021-10-08 15:58:42,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17041 states, 16961 states have (on average 4.9353811685631745) internal successors, (83709), 17040 states have internal predecessors, (83709), 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) [2021-10-08 15:58:43,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17041 states to 17041 states and 83709 transitions. [2021-10-08 15:58:43,073 INFO L78 Accepts]: Start accepts. Automaton has 17041 states and 83709 transitions. Word has length 12 [2021-10-08 15:58:43,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:43,073 INFO L470 AbstractCegarLoop]: Abstraction has 17041 states and 83709 transitions. [2021-10-08 15:58:43,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:43,073 INFO L276 IsEmpty]: Start isEmpty. Operand 17041 states and 83709 transitions. [2021-10-08 15:58:43,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-08 15:58:43,074 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:43,074 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:43,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2021-10-08 15:58:43,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-10-08 15:58:43,275 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:43,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:43,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1865425069, now seen corresponding path program 1 times [2021-10-08 15:58:43,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:43,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435205726] [2021-10-08 15:58:43,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:43,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:43,481 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:43,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:43,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435205726] [2021-10-08 15:58:43,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435205726] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:43,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798843214] [2021-10-08 15:58:43,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:43,482 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:43,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:43,483 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:43,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-10-08 15:58:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:43,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-08 15:58:43,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:43,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 322 treesize of output 306 [2021-10-08 15:58:44,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:58:44,078 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:58:44,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-10-08 15:58:44,190 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:58:44,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-10-08 15:58:44,244 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:58:44,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-10-08 15:58:44,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 [2021-10-08 15:58:44,281 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:44,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798843214] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:44,281 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:44,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-10-08 15:58:44,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64671486] [2021-10-08 15:58:44,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-08 15:58:44,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:44,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-08 15:58:44,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-10-08 15:58:44,283 INFO L87 Difference]: Start difference. First operand 17041 states and 83709 transitions. Second operand has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:45,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:45,520 INFO L93 Difference]: Finished difference Result 27384 states and 132083 transitions. [2021-10-08 15:58:45,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 15:58:45,520 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-08 15:58:45,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:45,693 INFO L225 Difference]: With dead ends: 27384 [2021-10-08 15:58:45,693 INFO L226 Difference]: Without dead ends: 27384 [2021-10-08 15:58:45,693 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 523.5ms TimeCoverageRelationStatistics Valid=96, Invalid=554, Unknown=0, NotChecked=0, Total=650 [2021-10-08 15:58:45,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27384 states. [2021-10-08 15:58:46,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27384 to 17220. [2021-10-08 15:58:46,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17220 states, 17140 states have (on average 4.929696616102683) internal successors, (84495), 17219 states have internal predecessors, (84495), 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) [2021-10-08 15:58:46,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17220 states to 17220 states and 84495 transitions. [2021-10-08 15:58:46,561 INFO L78 Accepts]: Start accepts. Automaton has 17220 states and 84495 transitions. Word has length 12 [2021-10-08 15:58:46,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:46,561 INFO L470 AbstractCegarLoop]: Abstraction has 17220 states and 84495 transitions. [2021-10-08 15:58:46,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:46,561 INFO L276 IsEmpty]: Start isEmpty. Operand 17220 states and 84495 transitions. [2021-10-08 15:58:46,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-08 15:58:46,563 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:46,563 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:46,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2021-10-08 15:58:46,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-10-08 15:58:46,777 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:46,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:46,778 INFO L82 PathProgramCache]: Analyzing trace with hash -794664859, now seen corresponding path program 2 times [2021-10-08 15:58:46,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:46,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188788061] [2021-10-08 15:58:46,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:46,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:46,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:46,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188788061] [2021-10-08 15:58:46,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188788061] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:46,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510205435] [2021-10-08 15:58:46,985 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:58:46,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:46,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:46,987 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:47,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-10-08 15:58:47,369 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:58:47,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:58:47,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-08 15:58:47,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:47,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 530 treesize of output 498 [2021-10-08 15:58:47,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-10-08 15:58:47,543 INFO L354 Elim1Store]: treesize reduction 49, result has 23.4 percent of original size [2021-10-08 15:58:47,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 39 [2021-10-08 15:58:47,597 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:58:47,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-10-08 15:58:47,650 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:58:47,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-10-08 15:58:47,690 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:58:47,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 22 [2021-10-08 15:58:47,715 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-10-08 15:58:47,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 16 [2021-10-08 15:58:47,718 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:47,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510205435] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:47,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:47,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-10-08 15:58:47,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409393313] [2021-10-08 15:58:47,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-08 15:58:47,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:47,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-08 15:58:47,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-10-08 15:58:47,720 INFO L87 Difference]: Start difference. First operand 17220 states and 84495 transitions. Second operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:48,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:48,491 INFO L93 Difference]: Finished difference Result 24290 states and 116481 transitions. [2021-10-08 15:58:48,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 15:58:48,492 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-08 15:58:48,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:48,650 INFO L225 Difference]: With dead ends: 24290 [2021-10-08 15:58:48,650 INFO L226 Difference]: Without dead ends: 24290 [2021-10-08 15:58:48,651 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 191.2ms TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-10-08 15:58:48,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24290 states. [2021-10-08 15:58:49,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24290 to 17107. [2021-10-08 15:58:49,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17107 states, 17027 states have (on average 4.830093381100605) internal successors, (82242), 17106 states have internal predecessors, (82242), 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) [2021-10-08 15:58:49,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17107 states to 17107 states and 82242 transitions. [2021-10-08 15:58:49,552 INFO L78 Accepts]: Start accepts. Automaton has 17107 states and 82242 transitions. Word has length 12 [2021-10-08 15:58:49,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:49,559 INFO L470 AbstractCegarLoop]: Abstraction has 17107 states and 82242 transitions. [2021-10-08 15:58:49,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:49,560 INFO L276 IsEmpty]: Start isEmpty. Operand 17107 states and 82242 transitions. [2021-10-08 15:58:49,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-08 15:58:49,564 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:49,564 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:49,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2021-10-08 15:58:49,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,30 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:49,765 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2021-10-08 15:58:49,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:49,766 INFO L82 PathProgramCache]: Analyzing trace with hash -794418098, now seen corresponding path program 1 times [2021-10-08 15:58:49,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:49,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464825180] [2021-10-08 15:58:49,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:49,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:50,130 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:50,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:50,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464825180] [2021-10-08 15:58:50,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464825180] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:50,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132058207] [2021-10-08 15:58:50,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:50,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:50,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:50,142 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:50,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-10-08 15:58:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:50,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-08 15:58:50,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:50,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 461 treesize of output 429 [2021-10-08 15:58:50,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:58:50,808 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:58:50,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-10-08 15:58:50,874 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:58:50,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-10-08 15:58:50,933 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:58:50,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-10-08 15:58:50,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 [2021-10-08 15:58:51,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:51,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132058207] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:51,000 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:51,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-10-08 15:58:51,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700789805] [2021-10-08 15:58:51,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-08 15:58:51,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:51,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-08 15:58:51,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-10-08 15:58:51,003 INFO L87 Difference]: Start difference. First operand 17107 states and 82242 transitions. Second operand has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:51,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:51,783 INFO L93 Difference]: Finished difference Result 27067 states and 126056 transitions. [2021-10-08 15:58:51,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 15:58:51,784 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-08 15:58:51,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:51,916 INFO L225 Difference]: With dead ends: 27067 [2021-10-08 15:58:51,916 INFO L226 Difference]: Without dead ends: 27067 [2021-10-08 15:58:51,917 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 524.0ms TimeCoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650