/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/pthread-wmm/safe022_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 14:55:08,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 14:55:08,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 14:55:08,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 14:55:08,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 14:55:08,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 14:55:08,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 14:55:08,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 14:55:08,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 14:55:08,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 14:55:08,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 14:55:08,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 14:55:08,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 14:55:08,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 14:55:08,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 14:55:08,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 14:55:08,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 14:55:08,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 14:55:08,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 14:55:08,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 14:55:08,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 14:55:08,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 14:55:08,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 14:55:08,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 14:55:08,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 14:55:08,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 14:55:08,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 14:55:08,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 14:55:08,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 14:55:08,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 14:55:08,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 14:55:08,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 14:55:08,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 14:55:08,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 14:55:08,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 14:55:08,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 14:55:08,870 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-18 14:55:08,891 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 14:55:08,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 14:55:08,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 14:55:08,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 14:55:08,894 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 14:55:08,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 14:55:08,895 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 14:55:08,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 14:55:08,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 14:55:08,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 14:55:08,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 14:55:08,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 14:55:08,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 14:55:08,897 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 14:55:08,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 14:55:08,898 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 14:55:08,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 14:55:08,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 14:55:08,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 14:55:08,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 14:55:08,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 14:55:08,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 14:55:08,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 14:55:08,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 14:55:08,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 14:55:08,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 14:55:08,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 14:55:08,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 14:55:08,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-18 14:55:08,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 14:55:09,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 14:55:09,193 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 14:55:09,197 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 14:55:09,198 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 14:55:09,198 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 14:55:09,199 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.opt.i [2019-12-18 14:55:09,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70e18b6fe/2594732d722d4388918a374f8dad7f9b/FLAG2717befb4 [2019-12-18 14:55:09,849 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 14:55:09,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.opt.i [2019-12-18 14:55:09,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70e18b6fe/2594732d722d4388918a374f8dad7f9b/FLAG2717befb4 [2019-12-18 14:55:10,161 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70e18b6fe/2594732d722d4388918a374f8dad7f9b [2019-12-18 14:55:10,171 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 14:55:10,173 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 14:55:10,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 14:55:10,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 14:55:10,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 14:55:10,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:55:10" (1/1) ... [2019-12-18 14:55:10,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7c87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:55:10, skipping insertion in model container [2019-12-18 14:55:10,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:55:10" (1/1) ... [2019-12-18 14:55:10,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 14:55:10,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 14:55:10,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 14:55:10,717 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 14:55:10,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 14:55:10,877 INFO L208 MainTranslator]: Completed translation [2019-12-18 14:55:10,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:55:10 WrapperNode [2019-12-18 14:55:10,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 14:55:10,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 14:55:10,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 14:55:10,879 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 14:55:10,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:55:10" (1/1) ... [2019-12-18 14:55:10,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:55:10" (1/1) ... [2019-12-18 14:55:10,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 14:55:10,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 14:55:10,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 14:55:10,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 14:55:10,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:55:10" (1/1) ... [2019-12-18 14:55:10,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:55:10" (1/1) ... [2019-12-18 14:55:10,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:55:10" (1/1) ... [2019-12-18 14:55:10,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:55:10" (1/1) ... [2019-12-18 14:55:10,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:55:10" (1/1) ... [2019-12-18 14:55:10,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:55:10" (1/1) ... [2019-12-18 14:55:10,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:55:10" (1/1) ... [2019-12-18 14:55:10,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 14:55:10,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 14:55:10,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 14:55:10,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 14:55:10,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:55:10" (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 [2019-12-18 14:55:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 14:55:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 14:55:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 14:55:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 14:55:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 14:55:11,007 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 14:55:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 14:55:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 14:55:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 14:55:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 14:55:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 14:55:11,010 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 14:55:11,318 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 14:55:11,318 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-18 14:55:11,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:55:11 BoogieIcfgContainer [2019-12-18 14:55:11,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 14:55:11,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 14:55:11,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 14:55:11,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 14:55:11,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 02:55:10" (1/3) ... [2019-12-18 14:55:11,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa95bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:55:11, skipping insertion in model container [2019-12-18 14:55:11,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:55:10" (2/3) ... [2019-12-18 14:55:11,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa95bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:55:11, skipping insertion in model container [2019-12-18 14:55:11,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:55:11" (3/3) ... [2019-12-18 14:55:11,328 INFO L109 eAbstractionObserver]: Analyzing ICFG safe022_tso.opt.i [2019-12-18 14:55:11,350 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 14:55:11,350 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 14:55:11,357 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 14:55:11,358 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 14:55:11,384 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,384 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,384 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,385 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,385 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,386 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,386 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,386 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,387 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,387 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,387 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,387 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,391 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,391 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,392 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,392 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,397 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,398 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,398 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,398 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:55:11,412 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-18 14:55:11,428 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 14:55:11,428 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 14:55:11,429 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 14:55:11,430 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 14:55:11,430 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 14:55:11,430 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 14:55:11,430 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 14:55:11,430 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 14:55:11,442 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 43 transitions [2019-12-18 14:55:11,443 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 49 places, 43 transitions [2019-12-18 14:55:11,478 INFO L126 PetriNetUnfolder]: 1/41 cut-off events. [2019-12-18 14:55:11,479 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 14:55:11,491 INFO L76 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 41 events. 1/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 6/45 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-18 14:55:11,496 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 49 places, 43 transitions [2019-12-18 14:55:11,512 INFO L126 PetriNetUnfolder]: 1/41 cut-off events. [2019-12-18 14:55:11,512 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 14:55:11,513 INFO L76 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 41 events. 1/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 6/45 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-18 14:55:11,515 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 234 [2019-12-18 14:55:11,516 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 14:55:12,705 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-12-18 14:55:12,853 INFO L206 etLargeBlockEncoding]: Checked pairs total: 271 [2019-12-18 14:55:12,853 INFO L214 etLargeBlockEncoding]: Total number of compositions: 38 [2019-12-18 14:55:12,857 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 11 transitions [2019-12-18 14:55:12,866 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 22 states. [2019-12-18 14:55:12,868 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-12-18 14:55:12,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-18 14:55:12,875 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:55:12,876 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-18 14:55:12,877 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:55:12,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:55:12,883 INFO L82 PathProgramCache]: Analyzing trace with hash 608072787, now seen corresponding path program 1 times [2019-12-18 14:55:12,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:55:12,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122704773] [2019-12-18 14:55:12,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:55:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:55:13,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:55:13,107 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122704773] [2019-12-18 14:55:13,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:55:13,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 14:55:13,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89722459] [2019-12-18 14:55:13,128 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 14:55:13,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:55:13,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 14:55:13,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:55:13,143 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2019-12-18 14:55:13,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:55:13,165 INFO L93 Difference]: Finished difference Result 20 states and 31 transitions. [2019-12-18 14:55:13,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 14:55:13,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-18 14:55:13,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:55:13,177 INFO L225 Difference]: With dead ends: 20 [2019-12-18 14:55:13,177 INFO L226 Difference]: Without dead ends: 16 [2019-12-18 14:55:13,178 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:55:13,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-18 14:55:13,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-18 14:55:13,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-18 14:55:13,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2019-12-18 14:55:13,211 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 23 transitions. Word has length 6 [2019-12-18 14:55:13,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:55:13,211 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 23 transitions. [2019-12-18 14:55:13,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 14:55:13,212 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2019-12-18 14:55:13,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-18 14:55:13,212 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:55:13,212 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:55:13,213 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:55:13,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:55:13,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1670386944, now seen corresponding path program 1 times [2019-12-18 14:55:13,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:55:13,214 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484659980] [2019-12-18 14:55:13,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:55:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:55:13,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:55:13,310 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484659980] [2019-12-18 14:55:13,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:55:13,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 14:55:13,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114699829] [2019-12-18 14:55:13,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 14:55:13,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:55:13,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 14:55:13,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 14:55:13,314 INFO L87 Difference]: Start difference. First operand 16 states and 23 transitions. Second operand 4 states. [2019-12-18 14:55:13,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:55:13,341 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2019-12-18 14:55:13,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 14:55:13,341 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-18 14:55:13,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:55:13,342 INFO L225 Difference]: With dead ends: 17 [2019-12-18 14:55:13,342 INFO L226 Difference]: Without dead ends: 13 [2019-12-18 14:55:13,343 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 14:55:13,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-12-18 14:55:13,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-12-18 14:55:13,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-18 14:55:13,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-12-18 14:55:13,347 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 7 [2019-12-18 14:55:13,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:55:13,347 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-12-18 14:55:13,347 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 14:55:13,347 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-12-18 14:55:13,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-18 14:55:13,348 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:55:13,348 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:55:13,348 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:55:13,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:55:13,349 INFO L82 PathProgramCache]: Analyzing trace with hash 179998362, now seen corresponding path program 1 times [2019-12-18 14:55:13,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:55:13,349 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919615554] [2019-12-18 14:55:13,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:55:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:55:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:55:13,422 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919615554] [2019-12-18 14:55:13,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:55:13,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 14:55:13,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165921056] [2019-12-18 14:55:13,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 14:55:13,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:55:13,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 14:55:13,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 14:55:13,424 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand 4 states. [2019-12-18 14:55:13,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:55:13,439 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2019-12-18 14:55:13,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 14:55:13,439 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-12-18 14:55:13,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:55:13,440 INFO L225 Difference]: With dead ends: 12 [2019-12-18 14:55:13,440 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 14:55:13,440 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 14:55:13,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 14:55:13,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 14:55:13,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 14:55:13,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 14:55:13,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-12-18 14:55:13,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:55:13,442 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 14:55:13,442 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 14:55:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 14:55:13,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 14:55:13,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 02:55:13 BasicIcfg [2019-12-18 14:55:13,446 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 14:55:13,448 INFO L168 Benchmark]: Toolchain (without parser) took 3275.50 ms. Allocated memory was 138.4 MB in the beginning and 248.0 MB in the end (delta: 109.6 MB). Free memory was 102.2 MB in the beginning and 195.4 MB in the end (delta: -93.2 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-12-18 14:55:13,449 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-18 14:55:13,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.21 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.8 MB in the beginning and 160.1 MB in the end (delta: -58.3 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-12-18 14:55:13,451 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.72 ms. Allocated memory is still 202.4 MB. Free memory was 160.1 MB in the beginning and 158.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-18 14:55:13,452 INFO L168 Benchmark]: Boogie Preprocessor took 24.63 ms. Allocated memory is still 202.4 MB. Free memory was 158.1 MB in the beginning and 156.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-18 14:55:13,453 INFO L168 Benchmark]: RCFGBuilder took 370.72 ms. Allocated memory is still 202.4 MB. Free memory was 156.1 MB in the beginning and 137.8 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2019-12-18 14:55:13,454 INFO L168 Benchmark]: TraceAbstraction took 2125.40 ms. Allocated memory was 202.4 MB in the beginning and 248.0 MB in the end (delta: 45.6 MB). Free memory was 137.8 MB in the beginning and 195.4 MB in the end (delta: -57.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-18 14:55:13,459 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 704.21 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.8 MB in the beginning and 160.1 MB in the end (delta: -58.3 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.72 ms. Allocated memory is still 202.4 MB. Free memory was 160.1 MB in the beginning and 158.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.63 ms. Allocated memory is still 202.4 MB. Free memory was 158.1 MB in the beginning and 156.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 370.72 ms. Allocated memory is still 202.4 MB. Free memory was 156.1 MB in the beginning and 137.8 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2125.40 ms. Allocated memory was 202.4 MB in the beginning and 248.0 MB in the end (delta: 45.6 MB). Free memory was 137.8 MB in the beginning and 195.4 MB in the end (delta: -57.6 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: 1.4s, 49 ProgramPointsBefore, 15 ProgramPointsAfterwards, 43 TransitionsBefore, 11 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 137 VarBasedMoverChecksPositive, 12 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 14 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 271 CheckedPairsTotal, 38 TotalNumberOfCompositions - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 43 locations, 1 error locations. Result: SAFE, OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 25 SDtfs, 12 SDslu, 19 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...