/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/sync01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-14 23:54:57,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-14 23:54:57,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-14 23:54:57,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-14 23:54:57,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-14 23:54:57,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-14 23:54:57,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-14 23:54:57,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-14 23:54:57,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-14 23:54:57,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-14 23:54:57,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-14 23:54:57,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-14 23:54:57,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-14 23:54:57,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-14 23:54:57,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-14 23:54:57,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-14 23:54:57,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-14 23:54:57,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-14 23:54:57,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-14 23:54:57,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-14 23:54:57,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-14 23:54:57,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-14 23:54:57,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-14 23:54:57,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-14 23:54:57,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-14 23:54:57,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-14 23:54:57,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-14 23:54:57,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-14 23:54:57,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-14 23:54:57,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-04-14 23:54:57,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-14 23:54:57,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-14 23:54:57,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-14 23:54:57,571 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.epf [2021-04-14 23:54:57,606 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-14 23:54:57,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-14 23:54:57,606 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-14 23:54:57,607 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-14 23:54:57,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-14 23:54:57,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-14 23:54:57,610 INFO L138 SettingsManager]: * Use SBE=true [2021-04-14 23:54:57,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-14 23:54:57,610 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-14 23:54:57,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-14 23:54:57,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-14 23:54:57,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-14 23:54:57,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-14 23:54:57,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-14 23:54:57,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-14 23:54:57,612 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-14 23:54:57,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-14 23:54:57,612 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-14 23:54:57,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-14 23:54:57,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-14 23:54:57,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-14 23:54:57,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-14 23:54:57,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-14 23:54:57,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-14 23:54:57,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-14 23:54:57,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-14 23:54:57,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-14 23:54:57,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-14 23:54:57,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-14 23:54:57,614 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-14 23:54:57,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-14 23:54:57,614 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-14 23:54:57,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-14 23:54:57,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-14 23:54:57,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-14 23:54:57,928 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-14 23:54:57,928 INFO L275 PluginConnector]: CDTParser initialized [2021-04-14 23:54:57,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2021-04-14 23:54:57,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8410c693/16baaed611644974a9a8fe8a0b31f557/FLAG4051dcd60 [2021-04-14 23:54:58,669 INFO L306 CDTParser]: Found 1 translation units. [2021-04-14 23:54:58,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2021-04-14 23:54:58,680 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8410c693/16baaed611644974a9a8fe8a0b31f557/FLAG4051dcd60 [2021-04-14 23:54:59,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8410c693/16baaed611644974a9a8fe8a0b31f557 [2021-04-14 23:54:59,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-14 23:54:59,009 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-14 23:54:59,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-14 23:54:59,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-14 23:54:59,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-14 23:54:59,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 11:54:59" (1/1) ... [2021-04-14 23:54:59,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513772d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:54:59, skipping insertion in model container [2021-04-14 23:54:59,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 11:54:59" (1/1) ... [2021-04-14 23:54:59,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-14 23:54:59,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-14 23:54:59,379 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2021-04-14 23:54:59,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-14 23:54:59,391 INFO L203 MainTranslator]: Completed pre-run [2021-04-14 23:54:59,421 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2021-04-14 23:54:59,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-14 23:54:59,526 INFO L208 MainTranslator]: Completed translation [2021-04-14 23:54:59,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:54:59 WrapperNode [2021-04-14 23:54:59,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-14 23:54:59,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-14 23:54:59,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-14 23:54:59,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-14 23:54:59,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:54:59" (1/1) ... [2021-04-14 23:54:59,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:54:59" (1/1) ... [2021-04-14 23:54:59,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-14 23:54:59,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-14 23:54:59,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-14 23:54:59,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-14 23:54:59,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:54:59" (1/1) ... [2021-04-14 23:54:59,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:54:59" (1/1) ... [2021-04-14 23:54:59,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:54:59" (1/1) ... [2021-04-14 23:54:59,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:54:59" (1/1) ... [2021-04-14 23:54:59,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:54:59" (1/1) ... [2021-04-14 23:54:59,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:54:59" (1/1) ... [2021-04-14 23:54:59,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:54:59" (1/1) ... [2021-04-14 23:54:59,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-14 23:54:59,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-14 23:54:59,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-14 23:54:59,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-14 23:54:59,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:54:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-14 23:54:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-14 23:54:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-14 23:54:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-14 23:54:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-14 23:54:59,663 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-14 23:54:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-14 23:54:59,665 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-14 23:54:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-14 23:54:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-04-14 23:54:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-14 23:54:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-14 23:54:59,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-14 23:54:59,666 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-14 23:55:00,046 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-14 23:55:00,046 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-04-14 23:55:00,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 11:55:00 BoogieIcfgContainer [2021-04-14 23:55:00,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-14 23:55:00,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-14 23:55:00,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-14 23:55:00,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-14 23:55:00,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 11:54:59" (1/3) ... [2021-04-14 23:55:00,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef2f82f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 11:55:00, skipping insertion in model container [2021-04-14 23:55:00,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:54:59" (2/3) ... [2021-04-14 23:55:00,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef2f82f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 11:55:00, skipping insertion in model container [2021-04-14 23:55:00,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 11:55:00" (3/3) ... [2021-04-14 23:55:00,054 INFO L111 eAbstractionObserver]: Analyzing ICFG sync01.i [2021-04-14 23:55:00,060 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-14 23:55:00,060 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-14 23:55:00,063 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-14 23:55:00,064 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-14 23:55:00,102 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,102 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,102 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,103 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,103 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,103 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,103 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,104 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,104 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,104 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,104 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,104 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,104 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,104 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,105 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,106 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,106 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,106 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,106 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,107 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,107 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,107 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,108 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,108 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,108 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,109 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,109 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,110 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,110 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,110 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,110 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,110 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,110 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,111 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,112 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,113 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,113 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,113 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,113 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,113 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,113 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,114 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,114 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,114 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,114 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,114 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,114 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,114 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,115 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,115 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,115 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,115 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,117 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,117 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,117 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,118 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,118 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,118 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,118 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,122 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,122 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,123 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,123 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,123 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,123 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,123 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-14 23:55:00,130 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-04-14 23:55:00,143 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-04-14 23:55:00,168 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-14 23:55:00,169 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-14 23:55:00,169 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-14 23:55:00,169 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-14 23:55:00,169 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-14 23:55:00,169 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-14 23:55:00,169 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-14 23:55:00,169 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-14 23:55:00,181 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 96 transitions, 214 flow [2021-04-14 23:55:00,232 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 767 states, 765 states have (on average 2.5725490196078433) internal successors, (1968), 766 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-14 23:55:00,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 767 states, 765 states have (on average 2.5725490196078433) internal successors, (1968), 766 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-14 23:55:00,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-04-14 23:55:00,266 INFO L543 BasicCegarLoop]: Found error trace [2021-04-14 23:55:00,267 INFO L551 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-14 23:55:00,268 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-14 23:55:00,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-14 23:55:00,272 INFO L82 PathProgramCache]: Analyzing trace with hash -804613437, now seen corresponding path program 1 times [2021-04-14 23:55:00,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-14 23:55:00,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680036970] [2021-04-14 23:55:00,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-14 23:55:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-14 23:55:00,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-14 23:55:00,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680036970] [2021-04-14 23:55:00,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-14 23:55:00,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-14 23:55:00,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742283839] [2021-04-14 23:55:00,536 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-04-14 23:55:00,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-14 23:55:00,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-04-14 23:55:00,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-04-14 23:55:00,552 INFO L87 Difference]: Start difference. First operand has 767 states, 765 states have (on average 2.5725490196078433) internal successors, (1968), 766 states have internal predecessors, (1968), 0 states have call successors, (0), 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 36.0) internal successors, (72), 2 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-14 23:55:00,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-14 23:55:00,586 INFO L93 Difference]: Finished difference Result 766 states and 1873 transitions. [2021-04-14 23:55:00,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-14 23:55:00,588 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2021-04-14 23:55:00,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-14 23:55:00,612 INFO L225 Difference]: With dead ends: 766 [2021-04-14 23:55:00,613 INFO L226 Difference]: Without dead ends: 758 [2021-04-14 23:55:00,614 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-04-14 23:55:00,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2021-04-14 23:55:00,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 758. [2021-04-14 23:55:00,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 757 states have (on average 2.463672391017173) internal successors, (1865), 757 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-14 23:55:00,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 1865 transitions. [2021-04-14 23:55:00,704 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 1865 transitions. Word has length 72 [2021-04-14 23:55:00,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-14 23:55:00,704 INFO L480 AbstractCegarLoop]: Abstraction has 758 states and 1865 transitions. [2021-04-14 23:55:00,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-14 23:55:00,705 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1865 transitions. [2021-04-14 23:55:00,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-04-14 23:55:00,709 INFO L543 BasicCegarLoop]: Found error trace [2021-04-14 23:55:00,709 INFO L551 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-14 23:55:00,709 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-14 23:55:00,709 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-14 23:55:00,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-14 23:55:00,712 INFO L82 PathProgramCache]: Analyzing trace with hash -622045917, now seen corresponding path program 1 times [2021-04-14 23:55:00,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-14 23:55:00,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65477752] [2021-04-14 23:55:00,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-14 23:55:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-14 23:55:00,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-14 23:55:00,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65477752] [2021-04-14 23:55:00,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-14 23:55:00,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-14 23:55:00,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742553785] [2021-04-14 23:55:00,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-14 23:55:00,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-14 23:55:00,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-14 23:55:00,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-14 23:55:00,839 INFO L87 Difference]: Start difference. First operand 758 states and 1865 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-14 23:55:00,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-14 23:55:00,872 INFO L93 Difference]: Finished difference Result 458 states and 1052 transitions. [2021-04-14 23:55:00,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-14 23:55:00,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2021-04-14 23:55:00,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-14 23:55:00,875 INFO L225 Difference]: With dead ends: 458 [2021-04-14 23:55:00,875 INFO L226 Difference]: Without dead ends: 458 [2021-04-14 23:55:00,876 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-14 23:55:00,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2021-04-14 23:55:00,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2021-04-14 23:55:00,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 457 states have (on average 2.3019693654266957) internal successors, (1052), 457 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-14 23:55:00,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 1052 transitions. [2021-04-14 23:55:00,906 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 1052 transitions. Word has length 72 [2021-04-14 23:55:00,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-14 23:55:00,906 INFO L480 AbstractCegarLoop]: Abstraction has 458 states and 1052 transitions. [2021-04-14 23:55:00,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-14 23:55:00,907 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1052 transitions. [2021-04-14 23:55:00,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-04-14 23:55:00,908 INFO L543 BasicCegarLoop]: Found error trace [2021-04-14 23:55:00,908 INFO L551 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-14 23:55:00,908 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-14 23:55:00,908 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-14 23:55:00,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-14 23:55:00,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1928832057, now seen corresponding path program 2 times [2021-04-14 23:55:00,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-14 23:55:00,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316185262] [2021-04-14 23:55:00,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-14 23:55:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-14 23:55:00,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-14 23:55:00,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316185262] [2021-04-14 23:55:00,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-14 23:55:00,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-14 23:55:00,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203767464] [2021-04-14 23:55:00,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-14 23:55:00,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-14 23:55:00,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-14 23:55:00,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-14 23:55:00,995 INFO L87 Difference]: Start difference. First operand 458 states and 1052 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-14 23:55:01,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-14 23:55:01,050 INFO L93 Difference]: Finished difference Result 410 states and 888 transitions. [2021-04-14 23:55:01,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-14 23:55:01,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2021-04-14 23:55:01,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-14 23:55:01,052 INFO L225 Difference]: With dead ends: 410 [2021-04-14 23:55:01,052 INFO L226 Difference]: Without dead ends: 410 [2021-04-14 23:55:01,053 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.1ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-14 23:55:01,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-04-14 23:55:01,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2021-04-14 23:55:01,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 409 states have (on average 2.1711491442542785) internal successors, (888), 409 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-14 23:55:01,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 888 transitions. [2021-04-14 23:55:01,062 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 888 transitions. Word has length 72 [2021-04-14 23:55:01,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-14 23:55:01,062 INFO L480 AbstractCegarLoop]: Abstraction has 410 states and 888 transitions. [2021-04-14 23:55:01,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-14 23:55:01,062 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 888 transitions. [2021-04-14 23:55:01,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-04-14 23:55:01,063 INFO L543 BasicCegarLoop]: Found error trace [2021-04-14 23:55:01,063 INFO L551 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-14 23:55:01,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-14 23:55:01,064 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-14 23:55:01,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-14 23:55:01,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1746269335, now seen corresponding path program 3 times [2021-04-14 23:55:01,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-14 23:55:01,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753235723] [2021-04-14 23:55:01,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-14 23:55:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-14 23:55:01,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-14 23:55:01,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753235723] [2021-04-14 23:55:01,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-14 23:55:01,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-14 23:55:01,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597211537] [2021-04-14 23:55:01,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-14 23:55:01,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-14 23:55:01,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-14 23:55:01,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-14 23:55:01,116 INFO L87 Difference]: Start difference. First operand 410 states and 888 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-14 23:55:01,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-14 23:55:01,168 INFO L93 Difference]: Finished difference Result 338 states and 688 transitions. [2021-04-14 23:55:01,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-14 23:55:01,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2021-04-14 23:55:01,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-14 23:55:01,170 INFO L225 Difference]: With dead ends: 338 [2021-04-14 23:55:01,170 INFO L226 Difference]: Without dead ends: 338 [2021-04-14 23:55:01,170 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.6ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-14 23:55:01,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2021-04-14 23:55:01,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2021-04-14 23:55:01,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 337 states have (on average 2.0415430267062313) internal successors, (688), 337 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-14 23:55:01,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 688 transitions. [2021-04-14 23:55:01,177 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 688 transitions. Word has length 72 [2021-04-14 23:55:01,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-14 23:55:01,177 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 688 transitions. [2021-04-14 23:55:01,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-14 23:55:01,178 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 688 transitions. [2021-04-14 23:55:01,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-04-14 23:55:01,179 INFO L543 BasicCegarLoop]: Found error trace [2021-04-14 23:55:01,179 INFO L551 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-14 23:55:01,179 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-14 23:55:01,179 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-14 23:55:01,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-14 23:55:01,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1204048597, now seen corresponding path program 4 times [2021-04-14 23:55:01,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-14 23:55:01,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034358532] [2021-04-14 23:55:01,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-14 23:55:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-14 23:55:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-14 23:55:01,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034358532] [2021-04-14 23:55:01,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-14 23:55:01,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-14 23:55:01,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416948954] [2021-04-14 23:55:01,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-14 23:55:01,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-14 23:55:01,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-14 23:55:01,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-14 23:55:01,314 INFO L87 Difference]: Start difference. First operand 338 states and 688 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-14 23:55:01,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-14 23:55:01,377 INFO L93 Difference]: Finished difference Result 324 states and 647 transitions. [2021-04-14 23:55:01,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-14 23:55:01,378 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2021-04-14 23:55:01,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-14 23:55:01,379 INFO L225 Difference]: With dead ends: 324 [2021-04-14 23:55:01,379 INFO L226 Difference]: Without dead ends: 0 [2021-04-14 23:55:01,381 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 64.5ms TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-04-14 23:55:01,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-04-14 23:55:01,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-04-14 23:55:01,381 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) [2021-04-14 23:55:01,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-04-14 23:55:01,381 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2021-04-14 23:55:01,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-14 23:55:01,381 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-04-14 23:55:01,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-14 23:55:01,382 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-04-14 23:55:01,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-04-14 23:55:01,382 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-14 23:55:01,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 11:55:01 BasicIcfg [2021-04-14 23:55:01,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-14 23:55:01,388 INFO L168 Benchmark]: Toolchain (without parser) took 2378.84 ms. Allocated memory was 255.9 MB in the beginning and 343.9 MB in the end (delta: 88.1 MB). Free memory was 234.3 MB in the beginning and 243.3 MB in the end (delta: -9.1 MB). Peak memory consumption was 79.2 MB. Max. memory is 16.0 GB. [2021-04-14 23:55:01,388 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-14 23:55:01,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.48 ms. Allocated memory was 255.9 MB in the beginning and 343.9 MB in the end (delta: 88.1 MB). Free memory was 233.9 MB in the beginning and 283.9 MB in the end (delta: -50.0 MB). Peak memory consumption was 38.3 MB. Max. memory is 16.0 GB. [2021-04-14 23:55:01,390 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.65 ms. Allocated memory is still 343.9 MB. Free memory was 283.9 MB in the beginning and 281.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-14 23:55:01,390 INFO L168 Benchmark]: Boogie Preprocessor took 22.33 ms. Allocated memory is still 343.9 MB. Free memory was 281.1 MB in the beginning and 279.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-14 23:55:01,393 INFO L168 Benchmark]: RCFGBuilder took 459.76 ms. Allocated memory is still 343.9 MB. Free memory was 279.7 MB in the beginning and 312.0 MB in the end (delta: -32.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-04-14 23:55:01,393 INFO L168 Benchmark]: TraceAbstraction took 1337.91 ms. Allocated memory is still 343.9 MB. Free memory was 312.0 MB in the beginning and 243.3 MB in the end (delta: 68.7 MB). Peak memory consumption was 68.5 MB. Max. memory is 16.0 GB. [2021-04-14 23:55:01,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 517.48 ms. Allocated memory was 255.9 MB in the beginning and 343.9 MB in the end (delta: 88.1 MB). Free memory was 233.9 MB in the beginning and 283.9 MB in the end (delta: -50.0 MB). Peak memory consumption was 38.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 36.65 ms. Allocated memory is still 343.9 MB. Free memory was 283.9 MB in the beginning and 281.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 22.33 ms. Allocated memory is still 343.9 MB. Free memory was 281.1 MB in the beginning and 279.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 459.76 ms. Allocated memory is still 343.9 MB. Free memory was 279.7 MB in the beginning and 312.0 MB in the end (delta: -32.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1337.91 ms. Allocated memory is still 343.9 MB. Free memory was 312.0 MB in the beginning and 243.3 MB in the end (delta: 68.7 MB). Peak memory consumption was 68.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 966]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1215.9ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 41.5ms, AutomataDifference: 298.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 62.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 423 SDtfs, 262 SDslu, 662 SDs, 0 SdLazy, 127 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 95.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 105.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=767occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 125.1ms AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 27.0ms SsaConstructionTime, 128.6ms SatisfiabilityAnalysisTime, 369.5ms InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 355 ConstructedInterpolants, 0 QuantifiedInterpolants, 546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...