/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 18:28:24,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 18:28:24,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 18:28:24,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-13 18:28:24,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-13 18:28:24,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-13 18:28:24,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-13 18:28:24,985 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 [2021-07-13 18:28:25,013 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 18:28:25,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 18:28:25,014 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 18:28:25,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 18:28:25,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 18:28:25,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 18:28:25,016 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 18:28:25,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 18:28:25,016 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 18:28:25,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 18:28:25,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 18:28:25,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 18:28:25,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 18:28:25,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 18:28:25,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 18:28:25,025 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 18:28:25,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 18:28:25,026 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 18:28:25,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 18:28:25,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 18:28:25,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 18:28:25,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 18:28:25,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 18:28:25,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 18:28:25,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 18:28:25,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 18:28:25,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 18:28:25,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 18:28:25,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 18:28:25,028 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 18:28:25,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 18:28:25,028 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 18:28:25,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 18:28:25,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 18:28:25,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 18:28:25,265 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-13 18:28:25,267 INFO L275 PluginConnector]: CDTParser initialized [2021-07-13 18:28:25,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-07-13 18:28:25,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2a0d3114/1c632d56f0de4042a726a42534d18cc5/FLAG90d6ab9ac [2021-07-13 18:28:25,682 INFO L306 CDTParser]: Found 1 translation units. [2021-07-13 18:28:25,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-07-13 18:28:25,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2a0d3114/1c632d56f0de4042a726a42534d18cc5/FLAG90d6ab9ac [2021-07-13 18:28:26,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2a0d3114/1c632d56f0de4042a726a42534d18cc5 [2021-07-13 18:28:26,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 18:28:26,032 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-13 18:28:26,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-13 18:28:26,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-13 18:28:26,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-13 18:28:26,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 06:28:26" (1/1) ... [2021-07-13 18:28:26,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f0e6e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:28:26, skipping insertion in model container [2021-07-13 18:28:26,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 06:28:26" (1/1) ... [2021-07-13 18:28:26,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-13 18:28:26,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-13 18:28:26,146 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i[938,951] [2021-07-13 18:28:26,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-13 18:28:26,279 INFO L203 MainTranslator]: Completed pre-run [2021-07-13 18:28:26,289 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i[938,951] [2021-07-13 18:28:26,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-13 18:28:26,358 INFO L208 MainTranslator]: Completed translation [2021-07-13 18:28:26,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:28:26 WrapperNode [2021-07-13 18:28:26,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-13 18:28:26,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 18:28:26,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 18:28:26,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 18:28:26,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:28:26" (1/1) ... [2021-07-13 18:28:26,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:28:26" (1/1) ... [2021-07-13 18:28:26,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 18:28:26,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 18:28:26,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 18:28:26,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 18:28:26,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:28:26" (1/1) ... [2021-07-13 18:28:26,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:28:26" (1/1) ... [2021-07-13 18:28:26,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:28:26" (1/1) ... [2021-07-13 18:28:26,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:28:26" (1/1) ... [2021-07-13 18:28:26,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:28:26" (1/1) ... [2021-07-13 18:28:26,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:28:26" (1/1) ... [2021-07-13 18:28:26,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:28:26" (1/1) ... [2021-07-13 18:28:26,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 18:28:26,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 18:28:26,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 18:28:26,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 18:28:26,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:28:26" (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 [2021-07-13 18:28:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-13 18:28:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-13 18:28:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-13 18:28:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-13 18:28:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2021-07-13 18:28:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2021-07-13 18:28:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2021-07-13 18:28:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2021-07-13 18:28:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-13 18:28:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 18:28:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 18:28:26,495 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 18:28:26,853 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 18:28:26,853 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-07-13 18:28:26,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 06:28:26 BoogieIcfgContainer [2021-07-13 18:28:26,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 18:28:26,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 18:28:26,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 18:28:26,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 18:28:26,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 06:28:26" (1/3) ... [2021-07-13 18:28:26,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5bdd89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 06:28:26, skipping insertion in model container [2021-07-13 18:28:26,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:28:26" (2/3) ... [2021-07-13 18:28:26,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5bdd89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 06:28:26, skipping insertion in model container [2021-07-13 18:28:26,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 06:28:26" (3/3) ... [2021-07-13 18:28:26,861 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd-2.i [2021-07-13 18:28:26,865 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 18:28:26,866 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 18:28:26,866 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-07-13 18:28:26,866 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 18:28:26,894 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,894 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,894 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,895 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,895 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,896 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,896 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,896 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,896 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,896 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,897 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,897 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,897 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,897 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,897 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,897 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,897 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,898 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,898 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,898 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,899 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,899 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,899 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,899 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,901 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,902 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,902 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,902 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,904 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,904 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,904 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,904 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:28:26,910 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-13 18:28:26,928 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-07-13 18:28:26,948 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 18:28:26,948 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 18:28:26,957 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 18:28:26,957 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 18:28:26,957 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 18:28:26,957 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 18:28:26,958 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 18:28:26,958 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 18:28:26,976 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 124 places, 131 transitions, 284 flow [2021-07-13 18:28:27,003 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 303 states, 300 states have (on average 2.316666666666667) internal successors, (695), 302 states have internal predecessors, (695), 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) [2021-07-13 18:28:27,006 INFO L276 IsEmpty]: Start isEmpty. Operand has 303 states, 300 states have (on average 2.316666666666667) internal successors, (695), 302 states have internal predecessors, (695), 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) [2021-07-13 18:28:27,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-07-13 18:28:27,014 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:28:27,015 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:28:27,015 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:28:27,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:28:27,018 INFO L82 PathProgramCache]: Analyzing trace with hash 628042736, now seen corresponding path program 1 times [2021-07-13 18:28:27,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:28:27,024 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695089534] [2021-07-13 18:28:27,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:28:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:28:27,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:28:27,144 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:28:27,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695089534] [2021-07-13 18:28:27,145 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695089534] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 18:28:27,145 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 18:28:27,145 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-13 18:28:27,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957118390] [2021-07-13 18:28:27,149 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-13 18:28:27,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:28:27,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-13 18:28:27,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-13 18:28:27,163 INFO L87 Difference]: Start difference. First operand has 303 states, 300 states have (on average 2.316666666666667) internal successors, (695), 302 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 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) [2021-07-13 18:28:27,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:28:27,187 INFO L93 Difference]: Finished difference Result 301 states and 626 transitions. [2021-07-13 18:28:27,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 18:28:27,188 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 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) Word has length 88 [2021-07-13 18:28:27,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:28:27,201 INFO L225 Difference]: With dead ends: 301 [2021-07-13 18:28:27,201 INFO L226 Difference]: Without dead ends: 296 [2021-07-13 18:28:27,202 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-13 18:28:27,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-07-13 18:28:27,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2021-07-13 18:28:27,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 293 states have (on average 2.1194539249146755) internal successors, (621), 295 states have internal predecessors, (621), 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) [2021-07-13 18:28:27,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 621 transitions. [2021-07-13 18:28:27,256 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 621 transitions. Word has length 88 [2021-07-13 18:28:27,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:28:27,256 INFO L482 AbstractCegarLoop]: Abstraction has 296 states and 621 transitions. [2021-07-13 18:28:27,256 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 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) [2021-07-13 18:28:27,256 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 621 transitions. [2021-07-13 18:28:27,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-07-13 18:28:27,259 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:28:27,259 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:28:27,259 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-13 18:28:27,259 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:28:27,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:28:27,260 INFO L82 PathProgramCache]: Analyzing trace with hash 534390418, now seen corresponding path program 1 times [2021-07-13 18:28:27,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:28:27,260 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000211962] [2021-07-13 18:28:27,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:28:27,292 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-13 18:28:27,292 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [91277533] [2021-07-13 18:28:27,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 18:28:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:28:27,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-13 18:28:27,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 18:28:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:28:27,914 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:28:27,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000211962] [2021-07-13 18:28:27,914 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-13 18:28:27,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91277533] [2021-07-13 18:28:27,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91277533] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 18:28:27,914 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 18:28:27,914 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-07-13 18:28:27,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830084971] [2021-07-13 18:28:27,915 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-13 18:28:27,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:28:27,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-13 18:28:27,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-07-13 18:28:27,916 INFO L87 Difference]: Start difference. First operand 296 states and 621 transitions. Second operand has 15 states, 15 states have (on average 5.866666666666666) internal successors, (88), 15 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) [2021-07-13 18:28:28,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:28:28,541 INFO L93 Difference]: Finished difference Result 521 states and 1120 transitions. [2021-07-13 18:28:28,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 18:28:28,542 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.866666666666666) internal successors, (88), 15 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) Word has length 88 [2021-07-13 18:28:28,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:28:28,544 INFO L225 Difference]: With dead ends: 521 [2021-07-13 18:28:28,544 INFO L226 Difference]: Without dead ends: 521 [2021-07-13 18:28:28,545 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 499.7ms TimeCoverageRelationStatistics Valid=184, Invalid=572, Unknown=0, NotChecked=0, Total=756 [2021-07-13 18:28:28,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2021-07-13 18:28:28,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 476. [2021-07-13 18:28:28,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 473 states have (on average 2.1670190274841437) internal successors, (1025), 475 states have internal predecessors, (1025), 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) [2021-07-13 18:28:28,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 1025 transitions. [2021-07-13 18:28:28,557 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 1025 transitions. Word has length 88 [2021-07-13 18:28:28,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:28:28,557 INFO L482 AbstractCegarLoop]: Abstraction has 476 states and 1025 transitions. [2021-07-13 18:28:28,557 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.866666666666666) internal successors, (88), 15 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) [2021-07-13 18:28:28,558 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 1025 transitions. [2021-07-13 18:28:28,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-07-13 18:28:28,561 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:28:28,561 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:28:28,780 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-07-13 18:28:28,780 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:28:28,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:28:28,781 INFO L82 PathProgramCache]: Analyzing trace with hash -427034828, now seen corresponding path program 1 times [2021-07-13 18:28:28,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:28:28,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178199241] [2021-07-13 18:28:28,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:28:28,808 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-13 18:28:28,808 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1669881195] [2021-07-13 18:28:28,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 18:28:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:28:29,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-13 18:28:29,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-07-13 18:43:09,354 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 18:43:09,355 WARN L547 AbstractCegarLoop]: Verification canceled [2021-07-13 18:43:09,357 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-13 18:43:09,358 WARN L196 ceAbstractionStarter]: Timeout [2021-07-13 18:43:09,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 06:43:09 BasicIcfg [2021-07-13 18:43:09,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-13 18:43:09,359 INFO L168 Benchmark]: Toolchain (without parser) took 883327.01 ms. Allocated memory was 191.9 MB in the beginning and 767.6 MB in the end (delta: 575.7 MB). Free memory was 157.0 MB in the beginning and 532.3 MB in the end (delta: -375.3 MB). Peak memory consumption was 599.8 MB. Max. memory is 8.0 GB. [2021-07-13 18:43:09,359 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 191.9 MB. Free memory is still 174.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-13 18:43:09,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.83 ms. Allocated memory is still 191.9 MB. Free memory was 156.8 MB in the beginning and 166.6 MB in the end (delta: -9.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 8.0 GB. [2021-07-13 18:43:09,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.12 ms. Allocated memory is still 191.9 MB. Free memory was 166.6 MB in the beginning and 164.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-13 18:43:09,359 INFO L168 Benchmark]: Boogie Preprocessor took 16.41 ms. Allocated memory is still 191.9 MB. Free memory was 164.5 MB in the beginning and 163.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-13 18:43:09,359 INFO L168 Benchmark]: RCFGBuilder took 424.78 ms. Allocated memory is still 191.9 MB. Free memory was 163.0 MB in the beginning and 130.4 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. [2021-07-13 18:43:09,359 INFO L168 Benchmark]: TraceAbstraction took 882501.39 ms. Allocated memory was 191.9 MB in the beginning and 767.6 MB in the end (delta: 575.7 MB). Free memory was 129.9 MB in the beginning and 532.3 MB in the end (delta: -402.4 MB). Peak memory consumption was 573.5 MB. Max. memory is 8.0 GB. [2021-07-13 18:43:09,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 191.9 MB. Free memory is still 174.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 325.83 ms. Allocated memory is still 191.9 MB. Free memory was 156.8 MB in the beginning and 166.6 MB in the end (delta: -9.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.12 ms. Allocated memory is still 191.9 MB. Free memory was 166.6 MB in the beginning and 164.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.41 ms. Allocated memory is still 191.9 MB. Free memory was 164.5 MB in the beginning and 163.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 424.78 ms. Allocated memory is still 191.9 MB. Free memory was 163.0 MB in the beginning and 130.4 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 882501.39 ms. Allocated memory was 191.9 MB in the beginning and 767.6 MB in the end (delta: 575.7 MB). Free memory was 129.9 MB in the beginning and 532.3 MB in the end (delta: -402.4 MB). Peak memory consumption was 573.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 91 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 13 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 91 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 13 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 91 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 13 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 132 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 882409.2ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 15.7ms, AutomataDifference: 680.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 45.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 195 SDtfs, 485 SDslu, 856 SDs, 0 SdLazy, 259 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 163.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 499.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=476occurred in iteration=2, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 58.0ms AutomataMinimizationTime, 2 MinimizatonAttempts, 45 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 23.9ms SsaConstructionTime, 100.9ms SatisfiabilityAnalysisTime, 515.5ms InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 734 SizeOfPredicates, 13 NumberOfNonLiveVariables, 190 ConjunctsInSsa, 26 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown