/usr/bin/java -Xmx16000000000 -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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin000_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 22:18:34,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 22:18:34,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 22:18:34,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 22:18:34,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 22:18:34,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 22:18:34,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 22:18:34,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 22:18:34,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 22:18:34,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 22:18:34,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 22:18:34,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 22:18:34,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 22:18:34,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 22:18:34,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 22:18:34,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 22:18:34,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 22:18:34,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 22:18:34,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 22:18:34,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 22:18:34,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 22:18:34,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 22:18:34,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 22:18:34,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 22:18:34,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 22:18:34,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 22:18:34,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 22:18:34,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 22:18:34,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 22:18:34,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 22:18:34,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 22:18:34,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 22:18:34,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 22:18:34,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 22:18:34,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 22:18:34,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 22:18:34,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 22:18:34,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 22:18:34,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 22:18:34,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 22:18:34,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 22:18:34,906 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-SemanticLbe.epf [2020-10-15 22:18:34,927 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 22:18:34,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 22:18:34,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 22:18:34,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 22:18:34,929 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 22:18:34,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 22:18:34,929 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 22:18:34,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 22:18:34,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 22:18:34,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 22:18:34,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 22:18:34,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 22:18:34,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 22:18:34,931 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 22:18:34,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 22:18:34,931 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 22:18:34,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 22:18:34,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 22:18:34,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 22:18:34,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 22:18:34,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 22:18:34,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 22:18:34,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 22:18:34,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 22:18:34,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 22:18:34,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 22:18:34,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 22:18:34,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 22:18:34,933 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 22:18:35,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 22:18:35,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 22:18:35,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 22:18:35,236 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 22:18:35,236 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 22:18:35,237 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin000_pso.opt.i [2020-10-15 22:18:35,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d50aee62/9962cdbb442444ee88824db62468e997/FLAG75d4535cd [2020-10-15 22:18:35,852 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 22:18:35,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin000_pso.opt.i [2020-10-15 22:18:35,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d50aee62/9962cdbb442444ee88824db62468e997/FLAG75d4535cd [2020-10-15 22:18:36,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d50aee62/9962cdbb442444ee88824db62468e997 [2020-10-15 22:18:36,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 22:18:36,165 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 22:18:36,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 22:18:36,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 22:18:36,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 22:18:36,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:18:36" (1/1) ... [2020-10-15 22:18:36,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5041e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:36, skipping insertion in model container [2020-10-15 22:18:36,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:18:36" (1/1) ... [2020-10-15 22:18:36,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 22:18:36,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 22:18:36,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 22:18:36,760 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 22:18:36,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 22:18:36,883 INFO L208 MainTranslator]: Completed translation [2020-10-15 22:18:36,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:36 WrapperNode [2020-10-15 22:18:36,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 22:18:36,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 22:18:36,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 22:18:36,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 22:18:36,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:36" (1/1) ... [2020-10-15 22:18:36,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:36" (1/1) ... [2020-10-15 22:18:36,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 22:18:36,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 22:18:36,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 22:18:36,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 22:18:36,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:36" (1/1) ... [2020-10-15 22:18:36,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:36" (1/1) ... [2020-10-15 22:18:36,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:36" (1/1) ... [2020-10-15 22:18:36,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:36" (1/1) ... [2020-10-15 22:18:36,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:36" (1/1) ... [2020-10-15 22:18:36,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:36" (1/1) ... [2020-10-15 22:18:36,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:36" (1/1) ... [2020-10-15 22:18:36,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 22:18:36,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 22:18:36,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 22:18:36,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 22:18:36,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:36" (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 [2020-10-15 22:18:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 22:18:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-15 22:18:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 22:18:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 22:18:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-15 22:18:37,055 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-15 22:18:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-15 22:18:37,055 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-15 22:18:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-15 22:18:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 22:18:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 22:18:37,058 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 22:18:37,409 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 22:18:37,410 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-15 22:18:37,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:18:37 BoogieIcfgContainer [2020-10-15 22:18:37,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 22:18:37,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 22:18:37,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 22:18:37,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 22:18:37,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:18:36" (1/3) ... [2020-10-15 22:18:37,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582db50f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:18:37, skipping insertion in model container [2020-10-15 22:18:37,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:36" (2/3) ... [2020-10-15 22:18:37,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582db50f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:18:37, skipping insertion in model container [2020-10-15 22:18:37,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:18:37" (3/3) ... [2020-10-15 22:18:37,424 INFO L111 eAbstractionObserver]: Analyzing ICFG thin000_pso.opt.i [2020-10-15 22:18:37,436 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 22:18:37,436 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 22:18:37,444 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 22:18:37,445 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 22:18:37,471 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,471 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,472 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,472 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,472 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,473 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,473 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,473 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,473 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,474 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,478 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,479 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,479 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,479 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,485 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,485 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,485 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,486 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:18:37,500 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-15 22:18:37,519 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 22:18:37,519 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 22:18:37,519 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 22:18:37,519 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 22:18:37,519 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 22:18:37,519 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 22:18:37,519 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 22:18:37,519 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 22:18:37,531 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 22:18:37,534 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 56 transitions, 122 flow [2020-10-15 22:18:37,537 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 56 transitions, 122 flow [2020-10-15 22:18:37,539 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 61 places, 56 transitions, 122 flow [2020-10-15 22:18:37,580 INFO L129 PetriNetUnfolder]: 2/54 cut-off events. [2020-10-15 22:18:37,580 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 22:18:37,585 INFO L80 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 54 events. 2/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2020-10-15 22:18:37,587 INFO L117 LiptonReduction]: Number of co-enabled transitions 672 [2020-10-15 22:18:38,865 INFO L132 LiptonReduction]: Checked pairs total: 1197 [2020-10-15 22:18:38,865 INFO L134 LiptonReduction]: Total number of compositions: 50 [2020-10-15 22:18:38,873 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 15 transitions, 40 flow [2020-10-15 22:18:38,891 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 74 states. [2020-10-15 22:18:38,893 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-10-15 22:18:38,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-15 22:18:38,900 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:18:38,901 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-15 22:18:38,901 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:18:38,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:18:38,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1988358065, now seen corresponding path program 1 times [2020-10-15 22:18:38,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:18:38,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861571296] [2020-10-15 22:18:38,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:18:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:18:39,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:18:39,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861571296] [2020-10-15 22:18:39,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:18:39,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 22:18:39,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139145456] [2020-10-15 22:18:39,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 22:18:39,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:18:39,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 22:18:39,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 22:18:39,198 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2020-10-15 22:18:39,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:18:39,232 INFO L93 Difference]: Finished difference Result 70 states and 149 transitions. [2020-10-15 22:18:39,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 22:18:39,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-15 22:18:39,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:18:39,245 INFO L225 Difference]: With dead ends: 70 [2020-10-15 22:18:39,246 INFO L226 Difference]: Without dead ends: 54 [2020-10-15 22:18:39,247 INFO L677 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 [2020-10-15 22:18:39,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-15 22:18:39,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-15 22:18:39,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-15 22:18:39,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 109 transitions. [2020-10-15 22:18:39,293 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 109 transitions. Word has length 6 [2020-10-15 22:18:39,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:18:39,293 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 109 transitions. [2020-10-15 22:18:39,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 22:18:39,294 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 109 transitions. [2020-10-15 22:18:39,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-15 22:18:39,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:18:39,295 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:18:39,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 22:18:39,295 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:18:39,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:18:39,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1509525162, now seen corresponding path program 1 times [2020-10-15 22:18:39,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:18:39,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969991382] [2020-10-15 22:18:39,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:18:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:18:39,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:18:39,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969991382] [2020-10-15 22:18:39,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:18:39,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 22:18:39,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083280538] [2020-10-15 22:18:39,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 22:18:39,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:18:39,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 22:18:39,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 22:18:39,355 INFO L87 Difference]: Start difference. First operand 54 states and 109 transitions. Second operand 4 states. [2020-10-15 22:18:39,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:18:39,383 INFO L93 Difference]: Finished difference Result 60 states and 113 transitions. [2020-10-15 22:18:39,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 22:18:39,384 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-15 22:18:39,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:18:39,385 INFO L225 Difference]: With dead ends: 60 [2020-10-15 22:18:39,385 INFO L226 Difference]: Without dead ends: 36 [2020-10-15 22:18:39,386 INFO L677 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 [2020-10-15 22:18:39,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-15 22:18:39,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-10-15 22:18:39,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-15 22:18:39,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 63 transitions. [2020-10-15 22:18:39,392 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 63 transitions. Word has length 7 [2020-10-15 22:18:39,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:18:39,393 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 63 transitions. [2020-10-15 22:18:39,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 22:18:39,393 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions. [2020-10-15 22:18:39,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-15 22:18:39,394 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:18:39,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:18:39,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 22:18:39,394 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:18:39,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:18:39,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1014872071, now seen corresponding path program 1 times [2020-10-15 22:18:39,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:18:39,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131062922] [2020-10-15 22:18:39,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:18:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:18:39,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:18:39,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131062922] [2020-10-15 22:18:39,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:18:39,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 22:18:39,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481521824] [2020-10-15 22:18:39,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 22:18:39,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:18:39,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 22:18:39,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 22:18:39,448 INFO L87 Difference]: Start difference. First operand 36 states and 63 transitions. Second operand 4 states. [2020-10-15 22:18:39,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:18:39,464 INFO L93 Difference]: Finished difference Result 30 states and 50 transitions. [2020-10-15 22:18:39,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 22:18:39,465 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-15 22:18:39,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:18:39,465 INFO L225 Difference]: With dead ends: 30 [2020-10-15 22:18:39,466 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 22:18:39,466 INFO L677 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 [2020-10-15 22:18:39,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 22:18:39,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 22:18:39,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 22:18:39,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 22:18:39,467 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2020-10-15 22:18:39,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:18:39,467 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 22:18:39,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 22:18:39,468 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 22:18:39,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 22:18:39,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 22:18:39,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 10:18:39 BasicIcfg [2020-10-15 22:18:39,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 22:18:39,475 INFO L168 Benchmark]: Toolchain (without parser) took 3309.28 ms. Allocated memory was 249.6 MB in the beginning and 355.5 MB in the end (delta: 105.9 MB). Free memory was 204.9 MB in the beginning and 187.3 MB in the end (delta: 17.6 MB). Peak memory consumption was 123.5 MB. Max. memory is 14.2 GB. [2020-10-15 22:18:39,476 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 249.6 MB. Free memory was 227.6 MB in the beginning and 226.8 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 14.2 GB. [2020-10-15 22:18:39,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.04 ms. Allocated memory was 249.6 MB in the beginning and 310.9 MB in the end (delta: 61.3 MB). Free memory was 204.1 MB in the beginning and 264.3 MB in the end (delta: -60.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 14.2 GB. [2020-10-15 22:18:39,478 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.38 ms. Allocated memory is still 310.9 MB. Free memory was 264.3 MB in the beginning and 261.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 22:18:39,478 INFO L168 Benchmark]: Boogie Preprocessor took 27.79 ms. Allocated memory is still 310.9 MB. Free memory was 261.8 MB in the beginning and 261.0 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 14.2 GB. [2020-10-15 22:18:39,479 INFO L168 Benchmark]: RCFGBuilder took 449.45 ms. Allocated memory is still 310.9 MB. Free memory was 261.0 MB in the beginning and 239.9 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 14.2 GB. [2020-10-15 22:18:39,480 INFO L168 Benchmark]: TraceAbstraction took 2058.06 ms. Allocated memory was 310.9 MB in the beginning and 355.5 MB in the end (delta: 44.6 MB). Free memory was 239.9 MB in the beginning and 187.3 MB in the end (delta: 52.6 MB). Peak memory consumption was 97.2 MB. Max. memory is 14.2 GB. [2020-10-15 22:18:39,485 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 249.6 MB. Free memory was 227.6 MB in the beginning and 226.8 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 718.04 ms. Allocated memory was 249.6 MB in the beginning and 310.9 MB in the end (delta: 61.3 MB). Free memory was 204.1 MB in the beginning and 264.3 MB in the end (delta: -60.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 50.38 ms. Allocated memory is still 310.9 MB. Free memory was 264.3 MB in the beginning and 261.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 27.79 ms. Allocated memory is still 310.9 MB. Free memory was 261.8 MB in the beginning and 261.0 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 14.2 GB. * RCFGBuilder took 449.45 ms. Allocated memory is still 310.9 MB. Free memory was 261.0 MB in the beginning and 239.9 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 14.2 GB. * TraceAbstraction took 2058.06 ms. Allocated memory was 310.9 MB in the beginning and 355.5 MB in the end (delta: 44.6 MB). Free memory was 239.9 MB in the beginning and 187.3 MB in the end (delta: 52.6 MB). Peak memory consumption was 97.2 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 481 VarBasedMoverChecksPositive, 28 VarBasedMoverChecksNegative, 4 SemBasedMoverChecksPositive, 24 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 40 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.3s, 61 PlacesBefore, 22 PlacesAfterwards, 56 TransitionsBefore, 15 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 50 TotalNumberOfCompositions, 1197 MoverChecksTotal - PositiveResult [Line: 7]: 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, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: 33 SDtfs, 32 SDslu, 20 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred 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, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 375 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...