/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/szymanski.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 08:32:27,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 08:32:27,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 08:32:27,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-18 08:32:27,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 08:32:27,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 08:32:27,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 08:32:27,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 08:32:27,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 08:32:27,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 08:32:27,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 08:32:27,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 08:32:27,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 08:32:27,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 08:32:27,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 08:32:27,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 08:32:27,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 08:32:27,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 08:32:27,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 08:32:27,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 08:32:27,505 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2022-01-18 08:32:27,519 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 08:32:27,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 08:32:27,520 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 08:32:27,520 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 08:32:27,520 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 08:32:27,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 08:32:27,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 08:32:27,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 08:32:27,521 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 08:32:27,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 08:32:27,521 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 08:32:27,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 08:32:27,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 08:32:27,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 08:32:27,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 08:32:27,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 08:32:27,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 08:32:27,522 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 08:32:27,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 08:32:27,522 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 08:32:27,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 08:32:27,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 08:32:27,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 08:32:27,523 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 08:32:27,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 08:32:27,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 08:32:27,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 08:32:27,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 08:32:27,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 08:32:27,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 08:32:27,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 08:32:27,524 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 08:32:27,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 08:32:27,524 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 08:32:27,524 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 08:32:27,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 08:32:27,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 08:32:27,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 08:32:27,732 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 08:32:27,732 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 08:32:27,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/szymanski.i [2022-01-18 08:32:27,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e358cdab/5670460724c14021b80d73cddc59871b/FLAG978c49ab7 [2022-01-18 08:32:28,156 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 08:32:28,156 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i [2022-01-18 08:32:28,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e358cdab/5670460724c14021b80d73cddc59871b/FLAG978c49ab7 [2022-01-18 08:32:28,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e358cdab/5670460724c14021b80d73cddc59871b [2022-01-18 08:32:28,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 08:32:28,546 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 08:32:28,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 08:32:28,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 08:32:28,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 08:32:28,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 08:32:28" (1/1) ... [2022-01-18 08:32:28,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52710080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:32:28, skipping insertion in model container [2022-01-18 08:32:28,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 08:32:28" (1/1) ... [2022-01-18 08:32:28,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 08:32:28,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 08:32:28,730 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-01-18 08:32:28,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i[31505,31518] [2022-01-18 08:32:28,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i[32915,32928] [2022-01-18 08:32:28,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 08:32:28,858 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 08:32:28,880 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-01-18 08:32:28,894 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i[31505,31518] [2022-01-18 08:32:28,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i[32915,32928] [2022-01-18 08:32:28,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 08:32:28,928 INFO L208 MainTranslator]: Completed translation [2022-01-18 08:32:28,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:32:28 WrapperNode [2022-01-18 08:32:28,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 08:32:28,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 08:32:28,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 08:32:28,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 08:32:28,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:32:28" (1/1) ... [2022-01-18 08:32:28,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:32:28" (1/1) ... [2022-01-18 08:32:28,976 INFO L137 Inliner]: procedures = 171, calls = 75, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-01-18 08:32:28,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 08:32:28,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 08:32:28,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 08:32:28,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 08:32:28,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:32:28" (1/1) ... [2022-01-18 08:32:28,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:32:28" (1/1) ... [2022-01-18 08:32:28,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:32:28" (1/1) ... [2022-01-18 08:32:28,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:32:28" (1/1) ... [2022-01-18 08:32:29,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:32:28" (1/1) ... [2022-01-18 08:32:29,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:32:28" (1/1) ... [2022-01-18 08:32:29,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:32:28" (1/1) ... [2022-01-18 08:32:29,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 08:32:29,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 08:32:29,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 08:32:29,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 08:32:29,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:32:28" (1/1) ... [2022-01-18 08:32:29,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 08:32:29,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:32:29,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 08:32:29,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 08:32:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 08:32:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-01-18 08:32:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-01-18 08:32:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-01-18 08:32:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-01-18 08:32:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 08:32:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-18 08:32:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 08:32:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 08:32:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 08:32:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 08:32:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-18 08:32:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 08:32:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 08:32:29,073 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 08:32:29,167 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 08:32:29,168 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 08:32:29,316 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 08:32:29,321 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 08:32:29,321 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-01-18 08:32:29,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 08:32:29 BoogieIcfgContainer [2022-01-18 08:32:29,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 08:32:29,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 08:32:29,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 08:32:29,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 08:32:29,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 08:32:28" (1/3) ... [2022-01-18 08:32:29,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8bb310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 08:32:29, skipping insertion in model container [2022-01-18 08:32:29,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:32:28" (2/3) ... [2022-01-18 08:32:29,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8bb310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 08:32:29, skipping insertion in model container [2022-01-18 08:32:29,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 08:32:29" (3/3) ... [2022-01-18 08:32:29,333 INFO L111 eAbstractionObserver]: Analyzing ICFG szymanski.i [2022-01-18 08:32:29,336 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 08:32:29,336 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 08:32:29,336 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-18 08:32:29,336 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 08:32:29,368 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,368 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,368 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,368 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,368 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,368 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,368 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,369 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,369 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,369 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,369 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,369 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,370 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,370 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,370 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,370 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,370 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,370 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,371 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,371 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,371 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,371 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,371 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,371 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,371 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,372 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,372 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,372 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,372 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,372 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,372 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,372 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,373 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,373 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,373 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,373 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,373 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,373 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,374 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,374 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,374 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,374 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,375 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,375 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,375 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,375 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,376 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,376 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,376 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,376 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,376 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,377 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,377 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,377 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,377 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,377 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,377 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,377 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,377 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,377 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,378 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,378 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,378 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,378 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,378 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,379 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,379 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,379 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,384 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,385 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,385 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,385 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,385 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,385 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,385 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,386 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,386 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,386 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,386 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,386 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,386 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,387 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,387 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,387 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,387 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,387 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,387 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,388 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,388 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,388 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,388 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,389 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,389 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,389 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,389 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,390 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,390 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,390 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,390 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,390 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,392 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,392 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,393 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,393 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,393 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,394 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,394 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,395 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,395 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,395 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:32:29,397 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 08:32:29,425 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 08:32:29,430 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, mAutomataTypeConcurrency=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 [2022-01-18 08:32:29,430 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-01-18 08:32:29,437 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 104 places, 117 transitions, 250 flow [2022-01-18 08:32:29,565 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2963 states, 2960 states have (on average 3.308445945945946) internal successors, (9793), 2962 states have internal predecessors, (9793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:29,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 2963 states, 2960 states have (on average 3.308445945945946) internal successors, (9793), 2962 states have internal predecessors, (9793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:29,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-18 08:32:29,587 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:32:29,588 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:32:29,588 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 08:32:29,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:32:29,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1091180486, now seen corresponding path program 1 times [2022-01-18 08:32:29,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:32:29,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063720563] [2022-01-18 08:32:29,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:32:29,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:32:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:32:29,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:32:29,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:32:29,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063720563] [2022-01-18 08:32:29,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063720563] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:32:29,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:32:29,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 08:32:29,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568269119] [2022-01-18 08:32:29,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:32:29,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 08:32:29,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:32:29,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 08:32:29,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 08:32:29,792 INFO L87 Difference]: Start difference. First operand has 2963 states, 2960 states have (on average 3.308445945945946) internal successors, (9793), 2962 states have internal predecessors, (9793), 0 states have call successors, (0), 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, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:29,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:32:29,841 INFO L93 Difference]: Finished difference Result 2963 states and 8786 transitions. [2022-01-18 08:32:29,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 08:32:29,843 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-01-18 08:32:29,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:32:29,881 INFO L225 Difference]: With dead ends: 2963 [2022-01-18 08:32:29,882 INFO L226 Difference]: Without dead ends: 2963 [2022-01-18 08:32:29,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 08:32:29,885 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:32:29,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:32:29,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2963 states. [2022-01-18 08:32:29,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2963 to 2963. [2022-01-18 08:32:29,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2963 states, 2960 states have (on average 2.968243243243243) internal successors, (8786), 2962 states have internal predecessors, (8786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:30,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2963 states and 8786 transitions. [2022-01-18 08:32:30,007 INFO L78 Accepts]: Start accepts. Automaton has 2963 states and 8786 transitions. Word has length 34 [2022-01-18 08:32:30,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:32:30,008 INFO L470 AbstractCegarLoop]: Abstraction has 2963 states and 8786 transitions. [2022-01-18 08:32:30,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:30,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2963 states and 8786 transitions. [2022-01-18 08:32:30,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-18 08:32:30,013 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:32:30,013 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:32:30,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 08:32:30,013 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 08:32:30,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:32:30,016 INFO L85 PathProgramCache]: Analyzing trace with hash 894696772, now seen corresponding path program 1 times [2022-01-18 08:32:30,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:32:30,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540566979] [2022-01-18 08:32:30,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:32:30,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:32:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:32:30,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:32:30,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:32:30,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540566979] [2022-01-18 08:32:30,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540566979] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:32:30,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:32:30,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 08:32:30,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855497675] [2022-01-18 08:32:30,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:32:30,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 08:32:30,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:32:30,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 08:32:30,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 08:32:30,096 INFO L87 Difference]: Start difference. First operand 2963 states and 8786 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:30,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:32:30,173 INFO L93 Difference]: Finished difference Result 2948 states and 8652 transitions. [2022-01-18 08:32:30,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 08:32:30,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-01-18 08:32:30,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:32:30,185 INFO L225 Difference]: With dead ends: 2948 [2022-01-18 08:32:30,185 INFO L226 Difference]: Without dead ends: 2444 [2022-01-18 08:32:30,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 08:32:30,189 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 79 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:32:30,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 150 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:32:30,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2444 states. [2022-01-18 08:32:30,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2444 to 2351. [2022-01-18 08:32:30,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2351 states, 2348 states have (on average 2.9369676320272573) internal successors, (6896), 2350 states have internal predecessors, (6896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:30,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 2351 states and 6896 transitions. [2022-01-18 08:32:30,246 INFO L78 Accepts]: Start accepts. Automaton has 2351 states and 6896 transitions. Word has length 34 [2022-01-18 08:32:30,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:32:30,246 INFO L470 AbstractCegarLoop]: Abstraction has 2351 states and 6896 transitions. [2022-01-18 08:32:30,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:30,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 6896 transitions. [2022-01-18 08:32:30,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-01-18 08:32:30,249 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:32:30,249 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:32:30,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 08:32:30,250 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 08:32:30,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:32:30,250 INFO L85 PathProgramCache]: Analyzing trace with hash 378899323, now seen corresponding path program 1 times [2022-01-18 08:32:30,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:32:30,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936318048] [2022-01-18 08:32:30,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:32:30,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:32:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:32:30,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:32:30,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:32:30,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936318048] [2022-01-18 08:32:30,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936318048] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:32:30,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:32:30,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 08:32:30,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023269194] [2022-01-18 08:32:30,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:32:30,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 08:32:30,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:32:30,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 08:32:30,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 08:32:30,309 INFO L87 Difference]: Start difference. First operand 2351 states and 6896 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:30,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:32:30,352 INFO L93 Difference]: Finished difference Result 2222 states and 6472 transitions. [2022-01-18 08:32:30,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 08:32:30,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2022-01-18 08:32:30,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:32:30,359 INFO L225 Difference]: With dead ends: 2222 [2022-01-18 08:32:30,359 INFO L226 Difference]: Without dead ends: 1622 [2022-01-18 08:32:30,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 08:32:30,360 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 43 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:32:30,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 200 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:32:30,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2022-01-18 08:32:30,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 1622. [2022-01-18 08:32:30,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1622 states, 1620 states have (on average 2.917901234567901) internal successors, (4727), 1621 states have internal predecessors, (4727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:30,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1622 states and 4727 transitions. [2022-01-18 08:32:30,413 INFO L78 Accepts]: Start accepts. Automaton has 1622 states and 4727 transitions. Word has length 40 [2022-01-18 08:32:30,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:32:30,414 INFO L470 AbstractCegarLoop]: Abstraction has 1622 states and 4727 transitions. [2022-01-18 08:32:30,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:30,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 4727 transitions. [2022-01-18 08:32:30,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-18 08:32:30,417 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:32:30,417 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:32:30,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 08:32:30,417 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 08:32:30,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:32:30,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1395587815, now seen corresponding path program 1 times [2022-01-18 08:32:30,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:32:30,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371091333] [2022-01-18 08:32:30,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:32:30,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:32:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:32:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:32:30,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:32:30,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371091333] [2022-01-18 08:32:30,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371091333] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:32:30,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:32:30,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-18 08:32:30,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228966017] [2022-01-18 08:32:30,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:32:30,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-18 08:32:30,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:32:30,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-18 08:32:30,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-18 08:32:30,498 INFO L87 Difference]: Start difference. First operand 1622 states and 4727 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:30,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:32:30,595 INFO L93 Difference]: Finished difference Result 2164 states and 6349 transitions. [2022-01-18 08:32:30,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 08:32:30,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2022-01-18 08:32:30,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:32:30,602 INFO L225 Difference]: With dead ends: 2164 [2022-01-18 08:32:30,602 INFO L226 Difference]: Without dead ends: 1576 [2022-01-18 08:32:30,602 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-18 08:32:30,603 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 89 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 08:32:30,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 291 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 08:32:30,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2022-01-18 08:32:30,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1380. [2022-01-18 08:32:30,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1380 states, 1378 states have (on average 2.8098693759071116) internal successors, (3872), 1379 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:30,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 3872 transitions. [2022-01-18 08:32:30,633 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 3872 transitions. Word has length 51 [2022-01-18 08:32:30,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:32:30,634 INFO L470 AbstractCegarLoop]: Abstraction has 1380 states and 3872 transitions. [2022-01-18 08:32:30,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:30,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 3872 transitions. [2022-01-18 08:32:30,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-18 08:32:30,636 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:32:30,637 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:32:30,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 08:32:30,637 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 08:32:30,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:32:30,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1471221529, now seen corresponding path program 1 times [2022-01-18 08:32:30,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:32:30,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101761891] [2022-01-18 08:32:30,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:32:30,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:32:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:32:30,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:32:30,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:32:30,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101761891] [2022-01-18 08:32:30,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101761891] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:32:30,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:32:30,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-18 08:32:30,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998063785] [2022-01-18 08:32:30,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:32:30,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-18 08:32:30,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:32:30,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-18 08:32:30,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-18 08:32:30,694 INFO L87 Difference]: Start difference. First operand 1380 states and 3872 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:30,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:32:30,776 INFO L93 Difference]: Finished difference Result 1965 states and 5435 transitions. [2022-01-18 08:32:30,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 08:32:30,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2022-01-18 08:32:30,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:32:30,783 INFO L225 Difference]: With dead ends: 1965 [2022-01-18 08:32:30,784 INFO L226 Difference]: Without dead ends: 1965 [2022-01-18 08:32:30,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-18 08:32:30,787 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 79 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:32:30,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 297 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:32:30,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1965 states. [2022-01-18 08:32:30,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1965 to 1552. [2022-01-18 08:32:30,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1552 states, 1550 states have (on average 2.818709677419355) internal successors, (4369), 1551 states have internal predecessors, (4369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:30,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 4369 transitions. [2022-01-18 08:32:30,820 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 4369 transitions. Word has length 51 [2022-01-18 08:32:30,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:32:30,820 INFO L470 AbstractCegarLoop]: Abstraction has 1552 states and 4369 transitions. [2022-01-18 08:32:30,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:30,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 4369 transitions. [2022-01-18 08:32:30,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-18 08:32:30,823 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:32:30,823 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:32:30,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 08:32:30,824 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 08:32:30,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:32:30,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1453332055, now seen corresponding path program 2 times [2022-01-18 08:32:30,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:32:30,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722973119] [2022-01-18 08:32:30,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:32:30,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:32:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:32:30,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:32:30,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:32:30,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722973119] [2022-01-18 08:32:30,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722973119] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:32:30,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:32:30,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-18 08:32:30,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295706605] [2022-01-18 08:32:30,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:32:30,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-18 08:32:30,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:32:30,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-18 08:32:30,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-18 08:32:30,891 INFO L87 Difference]: Start difference. First operand 1552 states and 4369 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:30,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:32:30,947 INFO L93 Difference]: Finished difference Result 1479 states and 4202 transitions. [2022-01-18 08:32:30,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 08:32:30,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2022-01-18 08:32:30,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:32:30,947 INFO L225 Difference]: With dead ends: 1479 [2022-01-18 08:32:30,947 INFO L226 Difference]: Without dead ends: 0 [2022-01-18 08:32:30,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-18 08:32:30,949 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 61 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:32:30,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 230 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:32:30,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-18 08:32:30,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-18 08:32:30,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:30,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-18 08:32:30,953 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2022-01-18 08:32:30,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:32:30,953 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-18 08:32:30,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:32:30,953 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-18 08:32:30,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-18 08:32:30,956 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-01-18 08:32:30,956 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-01-18 08:32:30,956 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2022-01-18 08:32:30,956 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2022-01-18 08:32:30,957 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-01-18 08:32:30,957 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-01-18 08:32:30,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 08:32:30,961 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2022-01-18 08:32:30,965 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 08:32:30,965 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 08:32:30,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 08:32:30 BasicIcfg [2022-01-18 08:32:30,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 08:32:30,968 INFO L158 Benchmark]: Toolchain (without parser) took 2422.32ms. Allocated memory was 375.4MB in the beginning and 469.8MB in the end (delta: 94.4MB). Free memory was 321.0MB in the beginning and 391.3MB in the end (delta: -70.3MB). Peak memory consumption was 24.2MB. Max. memory is 16.0GB. [2022-01-18 08:32:30,968 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 375.4MB. Free memory is still 339.3MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 08:32:30,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.87ms. Allocated memory was 375.4MB in the beginning and 469.8MB in the end (delta: 94.4MB). Free memory was 320.8MB in the beginning and 433.8MB in the end (delta: -113.1MB). Peak memory consumption was 9.0MB. Max. memory is 16.0GB. [2022-01-18 08:32:30,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.82ms. Allocated memory is still 469.8MB. Free memory was 433.8MB in the beginning and 432.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 08:32:30,969 INFO L158 Benchmark]: Boogie Preprocessor took 29.92ms. Allocated memory is still 469.8MB. Free memory was 431.7MB in the beginning and 430.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 08:32:30,969 INFO L158 Benchmark]: RCFGBuilder took 315.30ms. Allocated memory is still 469.8MB. Free memory was 430.7MB in the beginning and 416.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2022-01-18 08:32:30,969 INFO L158 Benchmark]: TraceAbstraction took 1643.90ms. Allocated memory is still 469.8MB. Free memory was 415.0MB in the beginning and 391.3MB in the end (delta: 23.7MB). Peak memory consumption was 24.7MB. Max. memory is 16.0GB. [2022-01-18 08:32:30,971 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 375.4MB. Free memory is still 339.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 381.87ms. Allocated memory was 375.4MB in the beginning and 469.8MB in the end (delta: 94.4MB). Free memory was 320.8MB in the beginning and 433.8MB in the end (delta: -113.1MB). Peak memory consumption was 9.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 46.82ms. Allocated memory is still 469.8MB. Free memory was 433.8MB in the beginning and 432.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 29.92ms. Allocated memory is still 469.8MB. Free memory was 431.7MB in the beginning and 430.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 315.30ms. Allocated memory is still 469.8MB. Free memory was 430.7MB in the beginning and 416.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 1643.90ms. Allocated memory is still 469.8MB. Free memory was 415.0MB in the beginning and 391.3MB in the end (delta: 23.7MB). Peak memory consumption was 24.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 802]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 745]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 154 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 351 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 351 mSDsluCounter, 1260 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 591 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 217 IncrementalHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 687 mSDtfsCounter, 217 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2963occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 702 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 255 ConstructedInterpolants, 0 QuantifiedInterpolants, 315 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-18 08:32:31,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...