/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-60655ea [2020-09-15 00:29:23,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-15 00:29:23,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-15 00:29:23,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-15 00:29:23,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-15 00:29:23,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-15 00:29:23,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-15 00:29:23,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-15 00:29:23,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-15 00:29:23,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-15 00:29:23,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-15 00:29:23,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-15 00:29:23,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-15 00:29:23,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-15 00:29:23,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-15 00:29:23,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-15 00:29:23,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-15 00:29:23,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-15 00:29:23,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-15 00:29:23,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-15 00:29:23,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-15 00:29:23,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-15 00:29:23,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-15 00:29:23,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-15 00:29:23,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-15 00:29:23,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-15 00:29:23,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-15 00:29:23,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-15 00:29:23,983 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-15 00:29:24,025 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-15 00:29:24,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-15 00:29:24,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-15 00:29:24,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-15 00:29:24,028 INFO L138 SettingsManager]: * Use SBE=true [2020-09-15 00:29:24,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-15 00:29:24,029 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-15 00:29:24,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-15 00:29:24,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-15 00:29:24,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-15 00:29:24,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-15 00:29:24,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-15 00:29:24,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-15 00:29:24,031 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-15 00:29:24,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-15 00:29:24,032 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-15 00:29:24,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-15 00:29:24,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-15 00:29:24,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-15 00:29:24,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-15 00:29:24,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-15 00:29:24,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-15 00:29:24,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-15 00:29:24,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-15 00:29:24,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-15 00:29:24,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-15 00:29:24,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-15 00:29:24,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-15 00:29:24,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-15 00:29:24,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-15 00:29:24,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-15 00:29:24,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-15 00:29:24,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-15 00:29:24,534 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-15 00:29:24,534 INFO L275 PluginConnector]: CDTParser initialized [2020-09-15 00:29:24,536 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i [2020-09-15 00:29:24,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d3e33a27/c80a79fa405e4b3d9b5309f0d9bf506a/FLAGd06542fe9 [2020-09-15 00:29:25,321 INFO L306 CDTParser]: Found 1 translation units. [2020-09-15 00:29:25,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-races/race-1_1-join.i [2020-09-15 00:29:25,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d3e33a27/c80a79fa405e4b3d9b5309f0d9bf506a/FLAGd06542fe9 [2020-09-15 00:29:25,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d3e33a27/c80a79fa405e4b3d9b5309f0d9bf506a [2020-09-15 00:29:25,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-15 00:29:25,536 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-15 00:29:25,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-15 00:29:25,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-15 00:29:25,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-15 00:29:25,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 12:29:25" (1/1) ... [2020-09-15 00:29:25,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c8193b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:25, skipping insertion in model container [2020-09-15 00:29:25,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 12:29:25" (1/1) ... [2020-09-15 00:29:25,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-15 00:29:25,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-15 00:29:26,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 00:29:26,481 INFO L203 MainTranslator]: Completed pre-run [2020-09-15 00:29:26,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 00:29:26,953 INFO L208 MainTranslator]: Completed translation [2020-09-15 00:29:26,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:26 WrapperNode [2020-09-15 00:29:26,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-15 00:29:26,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-15 00:29:26,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-15 00:29:26,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-15 00:29:26,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:26" (1/1) ... [2020-09-15 00:29:27,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:26" (1/1) ... [2020-09-15 00:29:27,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-15 00:29:27,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-15 00:29:27,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-15 00:29:27,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-15 00:29:27,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:26" (1/1) ... [2020-09-15 00:29:27,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:26" (1/1) ... [2020-09-15 00:29:27,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:26" (1/1) ... [2020-09-15 00:29:27,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:26" (1/1) ... [2020-09-15 00:29:27,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:26" (1/1) ... [2020-09-15 00:29:27,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:26" (1/1) ... [2020-09-15 00:29:27,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:26" (1/1) ... [2020-09-15 00:29:27,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-15 00:29:27,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-15 00:29:27,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-15 00:29:27,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-15 00:29:27,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-15 00:29:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-15 00:29:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-15 00:29:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-15 00:29:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-15 00:29:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-15 00:29:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-15 00:29:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-15 00:29:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-15 00:29:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-15 00:29:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-15 00:29:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-15 00:29:27,184 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-15 00:29:27,757 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-15 00:29:27,758 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-09-15 00:29:27,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 12:29:27 BoogieIcfgContainer [2020-09-15 00:29:27,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-15 00:29:27,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-15 00:29:27,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-15 00:29:27,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-15 00:29:27,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 12:29:25" (1/3) ... [2020-09-15 00:29:27,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1573daf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 12:29:27, skipping insertion in model container [2020-09-15 00:29:27,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:26" (2/3) ... [2020-09-15 00:29:27,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1573daf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 12:29:27, skipping insertion in model container [2020-09-15 00:29:27,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 12:29:27" (3/3) ... [2020-09-15 00:29:27,773 INFO L109 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2020-09-15 00:29:27,785 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-15 00:29:27,786 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-15 00:29:27,796 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-09-15 00:29:27,798 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-15 00:29:27,827 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,827 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,827 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,827 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,828 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,828 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,828 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,829 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,829 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,829 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,829 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,829 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,830 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,830 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,834 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,835 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,835 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,835 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,835 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,835 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,836 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:27,865 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-09-15 00:29:27,890 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 00:29:27,890 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 00:29:27,891 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-15 00:29:27,891 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 00:29:27,891 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 00:29:27,891 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 00:29:27,891 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 00:29:27,891 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 00:29:27,908 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 84 transitions, 176 flow [2020-09-15 00:29:27,910 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 82 places, 84 transitions, 176 flow [2020-09-15 00:29:27,958 INFO L129 PetriNetUnfolder]: 5/95 cut-off events. [2020-09-15 00:29:27,958 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-09-15 00:29:27,963 INFO L80 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 95 events. 5/95 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 160 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 52. Up to 3 conditions per place. [2020-09-15 00:29:27,966 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 82 places, 84 transitions, 176 flow [2020-09-15 00:29:27,989 INFO L129 PetriNetUnfolder]: 5/95 cut-off events. [2020-09-15 00:29:27,989 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-09-15 00:29:27,990 INFO L80 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 95 events. 5/95 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 160 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 52. Up to 3 conditions per place. [2020-09-15 00:29:27,992 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 392 [2020-09-15 00:29:27,994 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-15 00:29:29,679 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-09-15 00:29:30,473 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-09-15 00:29:30,584 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-09-15 00:29:30,601 INFO L206 etLargeBlockEncoding]: Checked pairs total: 293 [2020-09-15 00:29:30,602 INFO L214 etLargeBlockEncoding]: Total number of compositions: 102 [2020-09-15 00:29:30,607 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 16 places, 14 transitions, 36 flow [2020-09-15 00:29:30,621 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21 states. [2020-09-15 00:29:30,625 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-09-15 00:29:30,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-09-15 00:29:30,633 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 00:29:30,635 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-09-15 00:29:30,635 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 00:29:30,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 00:29:30,647 INFO L82 PathProgramCache]: Analyzing trace with hash 346, now seen corresponding path program 1 times [2020-09-15 00:29:30,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 00:29:30,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045653184] [2020-09-15 00:29:30,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 00:29:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 00:29:31,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 00:29:31,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045653184] [2020-09-15 00:29:31,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 00:29:31,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-09-15 00:29:31,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617433988] [2020-09-15 00:29:31,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-15 00:29:31,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 00:29:31,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-15 00:29:31,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-15 00:29:31,108 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-09-15 00:29:31,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 00:29:31,126 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2020-09-15 00:29:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-15 00:29:31,128 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-09-15 00:29:31,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 00:29:31,141 INFO L225 Difference]: With dead ends: 14 [2020-09-15 00:29:31,141 INFO L226 Difference]: Without dead ends: 0 [2020-09-15 00:29:31,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-15 00:29:31,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-15 00:29:31,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-15 00:29:31,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-15 00:29:31,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-15 00:29:31,176 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2020-09-15 00:29:31,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 00:29:31,177 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-15 00:29:31,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-15 00:29:31,177 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-15 00:29:31,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-15 00:29:31,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-15 00:29:31,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 12:29:31 BasicIcfg [2020-09-15 00:29:31,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-15 00:29:31,188 INFO L168 Benchmark]: Toolchain (without parser) took 5657.10 ms. Allocated memory was 138.4 MB in the beginning and 298.3 MB in the end (delta: 159.9 MB). Free memory was 98.0 MB in the beginning and 250.1 MB in the end (delta: -152.2 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. [2020-09-15 00:29:31,189 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-15 00:29:31,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1416.22 ms. Allocated memory was 138.4 MB in the beginning and 233.3 MB in the end (delta: 94.9 MB). Free memory was 97.3 MB in the beginning and 172.9 MB in the end (delta: -75.6 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2020-09-15 00:29:31,191 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.57 ms. Allocated memory is still 233.3 MB. Free memory was 172.9 MB in the beginning and 169.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-09-15 00:29:31,192 INFO L168 Benchmark]: Boogie Preprocessor took 53.59 ms. Allocated memory is still 233.3 MB. Free memory was 169.9 MB in the beginning and 166.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-09-15 00:29:31,193 INFO L168 Benchmark]: RCFGBuilder took 666.20 ms. Allocated memory is still 233.3 MB. Free memory was 166.9 MB in the beginning and 128.6 MB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. [2020-09-15 00:29:31,194 INFO L168 Benchmark]: TraceAbstraction took 3420.72 ms. Allocated memory was 233.3 MB in the beginning and 298.3 MB in the end (delta: 65.0 MB). Free memory was 128.6 MB in the beginning and 250.1 MB in the end (delta: -121.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-15 00:29:31,199 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1416.22 ms. Allocated memory was 138.4 MB in the beginning and 233.3 MB in the end (delta: 94.9 MB). Free memory was 97.3 MB in the beginning and 172.9 MB in the end (delta: -75.6 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 86.57 ms. Allocated memory is still 233.3 MB. Free memory was 172.9 MB in the beginning and 169.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.59 ms. Allocated memory is still 233.3 MB. Free memory was 169.9 MB in the beginning and 166.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 666.20 ms. Allocated memory is still 233.3 MB. Free memory was 166.9 MB in the beginning and 128.6 MB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3420.72 ms. Allocated memory was 233.3 MB in the beginning and 298.3 MB in the end (delta: 65.0 MB). Free memory was 128.6 MB in the beginning and 250.1 MB in the end (delta: -121.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.6s, 82 ProgramPointsBefore, 16 ProgramPointsAfterwards, 84 TransitionsBefore, 14 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 8 FixpointIterations, 65 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 8 ConcurrentYvCompositions, 4 ChoiceCompositions, 207 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 293 CheckedPairsTotal, 102 TotalNumberOfCompositions - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 79 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...