/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/13-loop-after.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-05 20:29:56,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 20:29:56,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 20:29:56,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-05 20:29:56,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-05 20:29:56,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-05 20:29:56,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-05 20:29:56,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-05 20:29:56,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-05 20:29:56,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-05 20:29:56,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-05 20:29:56,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-05 20:29:56,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 20:29:56,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 20:29:56,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 20:29:56,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 20:29:56,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 20:29:56,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 20:29:56,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 20:29:56,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 20:29:56,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 20:29:56,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 20:29:56,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 20:29:56,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 20:29:56,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-05 20:29:56,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-05 20:29:56,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-05 20:29:56,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-05 20:29:56,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-05 20:29:56,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-05 20:29:56,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-05 20:29:56,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-05 20:29:56,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-05 20:29:56,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 20:29:56,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 20:29:56,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 20:29:56,408 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 20:29:56,442 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 20:29:56,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 20:29:56,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 20:29:56,443 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 20:29:56,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 20:29:56,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 20:29:56,445 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 20:29:56,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 20:29:56,446 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 20:29:56,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 20:29:56,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 20:29:56,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 20:29:56,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 20:29:56,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 20:29:56,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 20:29:56,447 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 20:29:56,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 20:29:56,447 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 20:29:56,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 20:29:56,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 20:29:56,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 20:29:56,448 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 20:29:56,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 20:29:56,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 20:29:56,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 20:29:56,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 20:29:56,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 20:29:56,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 20:29:56,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 20:29:56,449 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 20:29:56,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 20:29:56,449 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 20:29:56,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 20:29:56,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 20:29:56,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 20:29:56,754 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 20:29:56,754 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 20:29:56,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/13-loop-after.c [2021-06-05 20:29:56,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d738121d3/d117eed4355448418a789878caebbac7/FLAG3b1221396 [2021-06-05 20:29:57,203 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 20:29:57,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/13-loop-after.c [2021-06-05 20:29:57,204 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-05 20:29:57,231 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d738121d3/d117eed4355448418a789878caebbac7/FLAG3b1221396 [2021-06-05 20:29:57,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d738121d3/d117eed4355448418a789878caebbac7 [2021-06-05 20:29:57,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 20:29:57,628 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 20:29:57,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 20:29:57,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 20:29:57,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 20:29:57,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 08:29:57" (1/1) ... [2021-06-05 20:29:57,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24fd339d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:29:57, skipping insertion in model container [2021-06-05 20:29:57,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 08:29:57" (1/1) ... [2021-06-05 20:29:57,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 20:29:57,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 20:29:57,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 20:29:57,761 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 20:29:57,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 20:29:57,789 INFO L208 MainTranslator]: Completed translation [2021-06-05 20:29:57,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:29:57 WrapperNode [2021-06-05 20:29:57,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 20:29:57,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 20:29:57,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 20:29:57,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 20:29:57,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:29:57" (1/1) ... [2021-06-05 20:29:57,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:29:57" (1/1) ... [2021-06-05 20:29:57,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 20:29:57,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 20:29:57,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 20:29:57,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 20:29:57,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:29:57" (1/1) ... [2021-06-05 20:29:57,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:29:57" (1/1) ... [2021-06-05 20:29:57,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:29:57" (1/1) ... [2021-06-05 20:29:57,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:29:57" (1/1) ... [2021-06-05 20:29:57,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:29:57" (1/1) ... [2021-06-05 20:29:57,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:29:57" (1/1) ... [2021-06-05 20:29:57,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:29:57" (1/1) ... [2021-06-05 20:29:57,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 20:29:57,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 20:29:57,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 20:29:57,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 20:29:57,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:29:57" (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 20:29:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 20:29:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-05 20:29:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-05 20:29:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-05 20:29:57,917 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-05 20:29:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 20:29:57,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 20:29:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 20:29:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 20:29:57,920 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 20:29:58,161 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 20:29:58,161 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-06-05 20:29:58,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 08:29:58 BoogieIcfgContainer [2021-06-05 20:29:58,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 20:29:58,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 20:29:58,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 20:29:58,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 20:29:58,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 08:29:57" (1/3) ... [2021-06-05 20:29:58,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@259edf8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 08:29:58, skipping insertion in model container [2021-06-05 20:29:58,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:29:57" (2/3) ... [2021-06-05 20:29:58,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@259edf8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 08:29:58, skipping insertion in model container [2021-06-05 20:29:58,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 08:29:58" (3/3) ... [2021-06-05 20:29:58,168 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-loop-after.c [2021-06-05 20:29:58,189 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 20:29:58,189 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 20:29:58,189 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 20:29:58,190 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 20:29:58,220 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:29:58,220 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:29:58,220 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:29:58,220 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:29:58,220 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:29:58,221 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:29:58,221 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:29:58,221 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:29:58,221 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:29:58,221 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:29:58,222 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:29:58,222 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:29:58,224 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:29:58,224 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:29:58,224 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:29:58,224 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:29:58,246 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 20:29:58,280 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 20:29:58,309 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 20:29:58,309 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 20:29:58,309 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 20:29:58,309 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 20:29:58,309 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 20:29:58,310 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 20:29:58,310 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 20:29:58,310 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == fooThread1of1ForFork0======== [2021-06-05 20:29:58,318 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 32 transitions, 69 flow [2021-06-05 20:29:58,345 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 96 states, 94 states have (on average 1.8617021276595744) internal successors, (175), 95 states have internal predecessors, (175), 0 states have call successors, (0), 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 20:29:58,348 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 94 states have (on average 1.8617021276595744) internal successors, (175), 95 states have internal predecessors, (175), 0 states have call successors, (0), 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 20:29:58,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-06-05 20:29:58,364 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:29:58,365 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:29:58,365 INFO L430 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 20:29:58,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:29:58,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1669332040, now seen corresponding path program 1 times [2021-06-05 20:29:58,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:29:58,378 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667572079] [2021-06-05 20:29:58,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:29:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:29:58,548 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 20:29:58,548 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:29:58,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667572079] [2021-06-05 20:29:58,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667572079] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:29:58,550 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:29:58,550 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 20:29:58,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369417803] [2021-06-05 20:29:58,554 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 20:29:58,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:29:58,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 20:29:58,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 20:29:58,567 INFO L87 Difference]: Start difference. First operand has 96 states, 94 states have (on average 1.8617021276595744) internal successors, (175), 95 states have internal predecessors, (175), 0 states have call successors, (0), 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 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:58,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:29:58,598 INFO L93 Difference]: Finished difference Result 74 states and 125 transitions. [2021-06-05 20:29:58,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 20:29:58,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-06-05 20:29:58,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:29:58,606 INFO L225 Difference]: With dead ends: 74 [2021-06-05 20:29:58,607 INFO L226 Difference]: Without dead ends: 29 [2021-06-05 20:29:58,608 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 20:29:58,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-06-05 20:29:58,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-06-05 20:29:58,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:58,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2021-06-05 20:29:58,632 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 15 [2021-06-05 20:29:58,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:29:58,633 INFO L482 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-06-05 20:29:58,633 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:58,633 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2021-06-05 20:29:58,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-06-05 20:29:58,634 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:29:58,634 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 20:29:58,634 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 20:29:58,634 INFO L430 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 20:29:58,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:29:58,635 INFO L82 PathProgramCache]: Analyzing trace with hash -475558928, now seen corresponding path program 1 times [2021-06-05 20:29:58,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:29:58,636 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965668419] [2021-06-05 20:29:58,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:29:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:29:58,662 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 20:29:58,663 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:29:58,663 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965668419] [2021-06-05 20:29:58,663 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965668419] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:29:58,663 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:29:58,664 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 20:29:58,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870078528] [2021-06-05 20:29:58,665 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 20:29:58,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:29:58,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 20:29:58,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 20:29:58,667 INFO L87 Difference]: Start difference. First operand 29 states and 37 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 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 20:29:58,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:29:58,672 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2021-06-05 20:29:58,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 20:29:58,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 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 20:29:58,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:29:58,673 INFO L225 Difference]: With dead ends: 25 [2021-06-05 20:29:58,673 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 20:29:58,674 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 20:29:58,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 20:29:58,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 20:29:58,674 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 20:29:58,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 20:29:58,675 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-06-05 20:29:58,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:29:58,675 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 20:29:58,675 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 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 20:29:58,675 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 20:29:58,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 20:29:58,676 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 20:29:58,676 INFO L301 ceAbstractionStarter]: Result for error location fooThread1of1ForFork0 was SAFE (1/3) [2021-06-05 20:29:58,678 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 20:29:58,679 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 20:29:58,679 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 20:29:58,680 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 20:29:58,680 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 20:29:58,680 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 20:29:58,680 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 20:29:58,680 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 20:29:58,680 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == foo======== [2021-06-05 20:29:58,681 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 32 transitions, 69 flow [2021-06-05 20:29:58,685 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 96 states, 94 states have (on average 1.8617021276595744) internal successors, (175), 95 states have internal predecessors, (175), 0 states have call successors, (0), 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 20:29:58,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 94 states have (on average 1.8617021276595744) internal successors, (175), 95 states have internal predecessors, (175), 0 states have call successors, (0), 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 20:29:58,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 20:29:58,687 INFO L301 ceAbstractionStarter]: Result for error location foo was SAFE (2/3) [2021-06-05 20:29:58,688 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 20:29:58,690 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 20:29:58,690 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 20:29:58,690 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 20:29:58,690 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 20:29:58,690 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 20:29:58,690 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 20:29:58,690 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 20:29:58,690 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-05 20:29:58,692 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 32 transitions, 69 flow [2021-06-05 20:29:58,695 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 96 states, 94 states have (on average 1.8617021276595744) internal successors, (175), 95 states have internal predecessors, (175), 0 states have call successors, (0), 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 20:29:58,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 94 states have (on average 1.8617021276595744) internal successors, (175), 95 states have internal predecessors, (175), 0 states have call successors, (0), 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 20:29:58,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 20:29:58,697 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (3/3) [2021-06-05 20:29:58,697 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 20:29:58,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 08:29:58 BasicIcfg [2021-06-05 20:29:58,700 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 20:29:58,701 INFO L168 Benchmark]: Toolchain (without parser) took 1073.14 ms. Allocated memory is still 377.5 MB. Free memory was 339.3 MB in the beginning and 313.0 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.0 GB. [2021-06-05 20:29:58,702 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 377.5 MB. Free memory was 357.9 MB in the beginning and 357.8 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 20:29:58,702 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.66 ms. Allocated memory is still 377.5 MB. Free memory was 339.2 MB in the beginning and 361.3 MB in the end (delta: -22.1 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.0 GB. [2021-06-05 20:29:58,703 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.81 ms. Allocated memory is still 377.5 MB. Free memory was 361.3 MB in the beginning and 359.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 20:29:58,704 INFO L168 Benchmark]: Boogie Preprocessor took 14.56 ms. Allocated memory is still 377.5 MB. Free memory was 359.5 MB in the beginning and 358.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 20:29:58,704 INFO L168 Benchmark]: RCFGBuilder took 317.44 ms. Allocated memory is still 377.5 MB. Free memory was 358.2 MB in the beginning and 343.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-05 20:29:58,705 INFO L168 Benchmark]: TraceAbstraction took 536.47 ms. Allocated memory is still 377.5 MB. Free memory was 342.4 MB in the beginning and 313.0 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-06-05 20:29:58,708 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 377.5 MB. Free memory was 357.9 MB in the beginning and 357.8 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 160.66 ms. Allocated memory is still 377.5 MB. Free memory was 339.2 MB in the beginning and 361.3 MB in the end (delta: -22.1 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 38.81 ms. Allocated memory is still 377.5 MB. Free memory was 361.3 MB in the beginning and 359.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.56 ms. Allocated memory is still 377.5 MB. Free memory was 359.5 MB in the beginning and 358.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 317.44 ms. Allocated memory is still 377.5 MB. Free memory was 358.2 MB in the beginning and 343.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 536.47 ms. Allocated memory is still 377.5 MB. Free memory was 342.4 MB in the beginning and 313.0 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 20]: 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: fooThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 39 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 369.6ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 19.6ms, AutomataDifference: 60.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 35.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 49 SDtfs, 22 SDslu, 24 SDs, 0 SdLazy, 6 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 15.1ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.1ms SsaConstructionTime, 30.5ms SatisfiabilityAnalysisTime, 82.5ms InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: foo with 1 thread instances CFG has 3 procedures, 39 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 2.1ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 39 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 2.1ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: 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...