/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/concurrent/pthreads/regression/atomic/17-pthread_exit.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-05 20:30:02,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 20:30:02,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 20:30:02,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 20:30:02,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 20:30:02,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 20:30:02,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 20:30:02,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 20:30:02,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 20:30:02,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 20:30:02,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 20:30:02,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 20:30:02,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 20:30:02,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 20:30:02,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 20:30:02,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 20:30:02,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-05 20:30:02,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-05 20:30:02,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-05 20:30:02,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-05 20:30:02,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-05 20:30:02,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-05 20:30:02,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-05 20:30:02,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-05 20:30:02,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-05 20:30:02,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 20:30:02,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 20:30:02,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 20:30:02,208 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 [2021-06-05 20:30:02,238 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 20:30:02,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 20:30:02,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 20:30:02,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 20:30:02,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 20:30:02,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 20:30:02,240 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 20:30:02,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 20:30:02,241 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 20:30:02,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 20:30:02,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 20:30:02,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 20:30:02,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 20:30:02,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 20:30:02,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 20:30:02,242 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 20:30:02,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 20:30:02,242 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 20:30:02,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 20:30:02,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 20:30:02,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 20:30:02,242 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 20:30:02,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 20:30:02,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 20:30:02,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 20:30:02,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 20:30:02,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 20:30:02,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 20:30:02,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 20:30:02,243 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 20:30:02,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 20:30:02,243 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 20:30:02,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 20:30:02,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 20:30:02,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 20:30:02,502 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 20:30:02,504 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 20:30:02,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/17-pthread_exit.c [2021-06-05 20:30:02,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04695c3da/2daa008134cb4541b581366e06392bac/FLAGf8444390a [2021-06-05 20:30:02,914 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 20:30:02,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/17-pthread_exit.c [2021-06-05 20:30:02,914 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-05 20:30:02,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04695c3da/2daa008134cb4541b581366e06392bac/FLAGf8444390a [2021-06-05 20:30:02,954 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04695c3da/2daa008134cb4541b581366e06392bac [2021-06-05 20:30:02,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 20:30:02,959 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 20:30:02,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 20:30:02,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 20:30:02,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 20:30:02,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 08:30:02" (1/1) ... [2021-06-05 20:30:02,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb31a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:30:02, skipping insertion in model container [2021-06-05 20:30:02,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 08:30:02" (1/1) ... [2021-06-05 20:30:02,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 20:30:02,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 20:30:03,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 20:30:03,129 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 20:30:03,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 20:30:03,149 INFO L208 MainTranslator]: Completed translation [2021-06-05 20:30:03,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:30:03 WrapperNode [2021-06-05 20:30:03,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 20:30:03,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 20:30:03,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 20:30:03,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 20:30:03,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:30:03" (1/1) ... [2021-06-05 20:30:03,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:30:03" (1/1) ... [2021-06-05 20:30:03,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 20:30:03,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 20:30:03,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 20:30:03,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 20:30:03,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:30:03" (1/1) ... [2021-06-05 20:30:03,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:30:03" (1/1) ... [2021-06-05 20:30:03,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:30:03" (1/1) ... [2021-06-05 20:30:03,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:30:03" (1/1) ... [2021-06-05 20:30:03,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:30:03" (1/1) ... [2021-06-05 20:30:03,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:30:03" (1/1) ... [2021-06-05 20:30:03,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:30:03" (1/1) ... [2021-06-05 20:30:03,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 20:30:03,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 20:30:03,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 20:30:03,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 20:30:03,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:30:03" (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 [2021-06-05 20:30:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 20:30:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-05 20:30:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-05 20:30:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-05 20:30:03,258 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-05 20:30:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 20:30:03,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 20:30:03,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 20:30:03,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 20:30:03,260 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 20:30:03,411 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 20:30:03,411 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-05 20:30:03,411 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: fooEXIT is neither atomic block end nor error location. [2021-06-05 20:30:03,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 08:30:03 BoogieIcfgContainer [2021-06-05 20:30:03,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 20:30:03,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 20:30:03,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 20:30:03,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 20:30:03,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 08:30:02" (1/3) ... [2021-06-05 20:30:03,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798dead1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 08:30:03, skipping insertion in model container [2021-06-05 20:30:03,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:30:03" (2/3) ... [2021-06-05 20:30:03,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798dead1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 08:30:03, skipping insertion in model container [2021-06-05 20:30:03,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 08:30:03" (3/3) ... [2021-06-05 20:30:03,418 INFO L111 eAbstractionObserver]: Analyzing ICFG 17-pthread_exit.c [2021-06-05 20:30:03,421 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 20:30:03,422 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 20:30:03,422 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 20:30:03,422 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 20:30:03,457 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,457 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,458 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,458 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,458 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,458 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,458 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,458 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,458 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,458 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,459 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,459 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,459 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,459 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,459 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,459 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,461 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,461 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,461 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,461 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:30:03,463 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 20:30:03,476 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-05 20:30:03,488 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 20:30:03,488 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 20:30:03,488 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 20:30:03,488 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 20:30:03,488 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 20:30:03,488 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 20:30:03,488 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 20:30:03,488 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-05 20:30:03,494 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 26 transitions, 57 flow [2021-06-05 20:30:03,529 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 52 states, 50 states have (on average 1.76) internal successors, (88), 51 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:03,531 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 50 states have (on average 1.76) internal successors, (88), 51 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:03,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-06-05 20:30:03,535 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:30:03,535 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:30:03,536 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 20:30:03,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:30:03,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1509984702, now seen corresponding path program 1 times [2021-06-05 20:30:03,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:30:03,561 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36632837] [2021-06-05 20:30:03,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:30:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:30:03,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:30:03,746 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:30:03,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36632837] [2021-06-05 20:30:03,747 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36632837] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:30:03,747 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:30:03,747 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 20:30:03,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289744801] [2021-06-05 20:30:03,750 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 20:30:03,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:30:03,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 20:30:03,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-05 20:30:03,766 INFO L87 Difference]: Start difference. First operand has 52 states, 50 states have (on average 1.76) internal successors, (88), 51 states have internal predecessors, (88), 0 states have call successors, (0), 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 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:03,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:30:03,808 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2021-06-05 20:30:03,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-05 20:30:03,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-06-05 20:30:03,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:30:03,815 INFO L225 Difference]: With dead ends: 59 [2021-06-05 20:30:03,815 INFO L226 Difference]: Without dead ends: 30 [2021-06-05 20:30:03,817 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-05 20:30:03,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-06-05 20:30:03,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-06-05 20:30:03,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 29 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:03,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2021-06-05 20:30:03,843 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 16 [2021-06-05 20:30:03,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:30:03,843 INFO L482 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2021-06-05 20:30:03,843 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2021-06-05 20:30:03,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-06-05 20:30:03,844 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:30:03,844 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:30:03,845 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 20:30:03,845 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 20:30:03,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:30:03,848 INFO L82 PathProgramCache]: Analyzing trace with hash -603643459, now seen corresponding path program 1 times [2021-06-05 20:30:03,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:30:03,849 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612821070] [2021-06-05 20:30:03,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:30:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:30:03,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:30:03,930 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:30:03,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612821070] [2021-06-05 20:30:03,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612821070] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:30:03,931 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:30:03,931 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 20:30:03,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772722594] [2021-06-05 20:30:03,932 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 20:30:03,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:30:03,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 20:30:03,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 20:30:03,935 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:03,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:30:03,958 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2021-06-05 20:30:03,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 20:30:03,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-06-05 20:30:03,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:30:03,960 INFO L225 Difference]: With dead ends: 32 [2021-06-05 20:30:03,961 INFO L226 Difference]: Without dead ends: 28 [2021-06-05 20:30:03,964 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 22.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 20:30:03,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-06-05 20:30:03,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-06-05 20:30:03,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 27 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:03,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2021-06-05 20:30:03,975 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 18 [2021-06-05 20:30:03,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:30:03,975 INFO L482 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2021-06-05 20:30:03,975 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:03,975 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2021-06-05 20:30:03,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-06-05 20:30:03,976 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:30:03,976 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:30:03,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 20:30:03,976 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 20:30:03,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:30:03,976 INFO L82 PathProgramCache]: Analyzing trace with hash -603553249, now seen corresponding path program 2 times [2021-06-05 20:30:03,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:30:03,977 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515609835] [2021-06-05 20:30:03,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:30:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:30:04,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:30:04,003 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:30:04,003 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515609835] [2021-06-05 20:30:04,003 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515609835] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:30:04,003 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:30:04,003 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 20:30:04,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774570115] [2021-06-05 20:30:04,004 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 20:30:04,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:30:04,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 20:30:04,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 20:30:04,005 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:04,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:30:04,015 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2021-06-05 20:30:04,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-05 20:30:04,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-06-05 20:30:04,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:30:04,016 INFO L225 Difference]: With dead ends: 18 [2021-06-05 20:30:04,016 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 20:30:04,016 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 20:30:04,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 20:30:04,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 20:30:04,017 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) [2021-06-05 20:30:04,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 20:30:04,017 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-06-05 20:30:04,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:30:04,017 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 20:30:04,017 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:04,017 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 20:30:04,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 20:30:04,018 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 20:30:04,019 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 20:30:04,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 08:30:04 BasicIcfg [2021-06-05 20:30:04,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 20:30:04,021 INFO L168 Benchmark]: Toolchain (without parser) took 1062.53 ms. Allocated memory is still 379.6 MB. Free memory was 340.7 MB in the beginning and 301.5 MB in the end (delta: 39.3 MB). Peak memory consumption was 38.4 MB. Max. memory is 16.0 GB. [2021-06-05 20:30:04,022 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 379.6 MB. Free memory was 359.4 MB in the beginning and 359.3 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 20:30:04,022 INFO L168 Benchmark]: CACSL2BoogieTranslator took 189.70 ms. Allocated memory is still 379.6 MB. Free memory was 340.5 MB in the beginning and 362.3 MB in the end (delta: -21.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. [2021-06-05 20:30:04,022 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.60 ms. Allocated memory is still 379.6 MB. Free memory was 362.3 MB in the beginning and 361.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 20:30:04,023 INFO L168 Benchmark]: Boogie Preprocessor took 16.48 ms. Allocated memory is still 379.6 MB. Free memory was 361.2 MB in the beginning and 360.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 20:30:04,023 INFO L168 Benchmark]: RCFGBuilder took 222.14 ms. Allocated memory is still 379.6 MB. Free memory was 360.2 MB in the beginning and 344.2 MB in the end (delta: 16.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-05 20:30:04,023 INFO L168 Benchmark]: TraceAbstraction took 607.08 ms. Allocated memory is still 379.6 MB. Free memory was 344.2 MB in the beginning and 301.5 MB in the end (delta: 42.7 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. [2021-06-05 20:30:04,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 379.6 MB. Free memory was 359.4 MB in the beginning and 359.3 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 189.70 ms. Allocated memory is still 379.6 MB. Free memory was 340.5 MB in the beginning and 362.3 MB in the end (delta: -21.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 21.60 ms. Allocated memory is still 379.6 MB. Free memory was 362.3 MB in the beginning and 361.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.48 ms. Allocated memory is still 379.6 MB. Free memory was 361.2 MB in the beginning and 360.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 222.14 ms. Allocated memory is still 379.6 MB. Free memory was 360.2 MB in the beginning and 344.2 MB in the end (delta: 16.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 607.08 ms. Allocated memory is still 379.6 MB. Free memory was 344.2 MB in the beginning and 301.5 MB in the end (delta: 42.7 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 35]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 31 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 531.7ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 6.5ms, AutomataDifference: 106.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 40.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 58 SDtfs, 28 SDslu, 59 SDs, 0 SdLazy, 24 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 61.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 26.8ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.6ms SsaConstructionTime, 38.4ms SatisfiabilityAnalysisTime, 172.7ms InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 141 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...