/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe028_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 18:37:57,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 18:37:57,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 18:37:58,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 18:37:58,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 18:37:58,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 18:37:58,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 18:37:58,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 18:37:58,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 18:37:58,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 18:37:58,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 18:37:58,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 18:37:58,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 18:37:58,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 18:37:58,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 18:37:58,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 18:37:58,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 18:37:58,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 18:37:58,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 18:37:58,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 18:37:58,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 18:37:58,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 18:37:58,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 18:37:58,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 18:37:58,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 18:37:58,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 18:37:58,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 18:37:58,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 18:37:58,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 18:37:58,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 18:37:58,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 18:37:58,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 18:37:58,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 18:37:58,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 18:37:58,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 18:37:58,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 18:37:58,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 18:37:58,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 18:37:58,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 18:37:58,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 18:37:58,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 18:37:58,085 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 [2020-10-15 18:37:58,119 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 18:37:58,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 18:37:58,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 18:37:58,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 18:37:58,121 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 18:37:58,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 18:37:58,122 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 18:37:58,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 18:37:58,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 18:37:58,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 18:37:58,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 18:37:58,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 18:37:58,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 18:37:58,124 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 18:37:58,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 18:37:58,125 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 18:37:58,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 18:37:58,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 18:37:58,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 18:37:58,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 18:37:58,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 18:37:58,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 18:37:58,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 18:37:58,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 18:37:58,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 18:37:58,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 18:37:58,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 18:37:58,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 18:37:58,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 18:37:58,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 18:37:58,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 18:37:58,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 18:37:58,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 18:37:58,408 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 18:37:58,409 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 18:37:58,409 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe028_pso.oepc.i [2020-10-15 18:37:58,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5319ab163/81b99a50acc04beaa0598ff8e1404e90/FLAG3c41f65ec [2020-10-15 18:37:58,965 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 18:37:58,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe028_pso.oepc.i [2020-10-15 18:37:58,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5319ab163/81b99a50acc04beaa0598ff8e1404e90/FLAG3c41f65ec [2020-10-15 18:37:59,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5319ab163/81b99a50acc04beaa0598ff8e1404e90 [2020-10-15 18:37:59,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 18:37:59,295 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 18:37:59,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 18:37:59,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 18:37:59,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 18:37:59,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:37:59" (1/1) ... [2020-10-15 18:37:59,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a6f078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:37:59, skipping insertion in model container [2020-10-15 18:37:59,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:37:59" (1/1) ... [2020-10-15 18:37:59,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 18:37:59,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 18:37:59,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 18:37:59,914 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 18:37:59,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 18:38:00,024 INFO L208 MainTranslator]: Completed translation [2020-10-15 18:38:00,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:38:00 WrapperNode [2020-10-15 18:38:00,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 18:38:00,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 18:38:00,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 18:38:00,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 18:38:00,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:38:00" (1/1) ... [2020-10-15 18:38:00,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:38:00" (1/1) ... [2020-10-15 18:38:00,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 18:38:00,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 18:38:00,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 18:38:00,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 18:38:00,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:38:00" (1/1) ... [2020-10-15 18:38:00,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:38:00" (1/1) ... [2020-10-15 18:38:00,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:38:00" (1/1) ... [2020-10-15 18:38:00,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:38:00" (1/1) ... [2020-10-15 18:38:00,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:38:00" (1/1) ... [2020-10-15 18:38:00,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:38:00" (1/1) ... [2020-10-15 18:38:00,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:38:00" (1/1) ... [2020-10-15 18:38:00,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 18:38:00,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 18:38:00,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 18:38:00,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 18:38:00,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:38:00" (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 18:38:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 18:38:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-15 18:38:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 18:38:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 18:38:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-15 18:38:00,155 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-15 18:38:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-15 18:38:00,156 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-15 18:38:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-15 18:38:00,156 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-15 18:38:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-15 18:38:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 18:38:00,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 18:38:00,158 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 18:38:00,508 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 18:38:00,509 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-15 18:38:00,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:38:00 BoogieIcfgContainer [2020-10-15 18:38:00,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 18:38:00,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 18:38:00,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 18:38:00,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 18:38:00,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:37:59" (1/3) ... [2020-10-15 18:38:00,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d31ec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:38:00, skipping insertion in model container [2020-10-15 18:38:00,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:38:00" (2/3) ... [2020-10-15 18:38:00,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d31ec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:38:00, skipping insertion in model container [2020-10-15 18:38:00,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:38:00" (3/3) ... [2020-10-15 18:38:00,518 INFO L111 eAbstractionObserver]: Analyzing ICFG safe028_pso.oepc.i [2020-10-15 18:38:00,529 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 18:38:00,530 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 18:38:00,537 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 18:38:00,538 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 18:38:00,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,561 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,562 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,563 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,563 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,563 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,563 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,564 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,564 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,564 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,564 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,565 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,565 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,569 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,569 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,582 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,583 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,585 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,585 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:38:00,600 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-15 18:38:00,620 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 18:38:00,620 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 18:38:00,620 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 18:38:00,621 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 18:38:00,621 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 18:38:00,621 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 18:38:00,621 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 18:38:00,621 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 18:38:00,634 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 18:38:00,636 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 69 transitions, 153 flow [2020-10-15 18:38:00,639 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 69 transitions, 153 flow [2020-10-15 18:38:00,641 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 69 transitions, 153 flow [2020-10-15 18:38:00,682 INFO L129 PetriNetUnfolder]: 2/66 cut-off events. [2020-10-15 18:38:00,682 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 18:38:00,687 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 66 events. 2/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2020-10-15 18:38:00,690 INFO L117 LiptonReduction]: Number of co-enabled transitions 1178 [2020-10-15 18:38:02,201 INFO L132 LiptonReduction]: Checked pairs total: 2123 [2020-10-15 18:38:02,201 INFO L134 LiptonReduction]: Total number of compositions: 56 [2020-10-15 18:38:02,208 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 20 transitions, 55 flow [2020-10-15 18:38:02,231 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 226 states. [2020-10-15 18:38:02,233 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states. [2020-10-15 18:38:02,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-15 18:38:02,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:38:02,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:38:02,242 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:38:02,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:38:02,247 INFO L82 PathProgramCache]: Analyzing trace with hash 2007579917, now seen corresponding path program 1 times [2020-10-15 18:38:02,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:38:02,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519623896] [2020-10-15 18:38:02,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:38:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:38:02,482 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 18:38:02,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519623896] [2020-10-15 18:38:02,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:38:02,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 18:38:02,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112249179] [2020-10-15 18:38:02,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 18:38:02,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:38:02,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 18:38:02,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 18:38:02,506 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 3 states. [2020-10-15 18:38:02,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:38:02,546 INFO L93 Difference]: Finished difference Result 214 states and 593 transitions. [2020-10-15 18:38:02,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 18:38:02,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-15 18:38:02,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:38:02,563 INFO L225 Difference]: With dead ends: 214 [2020-10-15 18:38:02,564 INFO L226 Difference]: Without dead ends: 166 [2020-10-15 18:38:02,565 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 18:38:02,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-15 18:38:02,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2020-10-15 18:38:02,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-10-15 18:38:02,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 441 transitions. [2020-10-15 18:38:02,629 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 441 transitions. Word has length 8 [2020-10-15 18:38:02,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:38:02,630 INFO L481 AbstractCegarLoop]: Abstraction has 166 states and 441 transitions. [2020-10-15 18:38:02,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 18:38:02,630 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 441 transitions. [2020-10-15 18:38:02,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-15 18:38:02,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:38:02,632 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:38:02,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 18:38:02,632 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:38:02,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:38:02,632 INFO L82 PathProgramCache]: Analyzing trace with hash 2105434478, now seen corresponding path program 1 times [2020-10-15 18:38:02,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:38:02,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770479786] [2020-10-15 18:38:02,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:38:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:38:02,764 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 18:38:02,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770479786] [2020-10-15 18:38:02,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:38:02,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 18:38:02,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312837593] [2020-10-15 18:38:02,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 18:38:02,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:38:02,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 18:38:02,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 18:38:02,768 INFO L87 Difference]: Start difference. First operand 166 states and 441 transitions. Second operand 4 states. [2020-10-15 18:38:02,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:38:02,795 INFO L93 Difference]: Finished difference Result 202 states and 516 transitions. [2020-10-15 18:38:02,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 18:38:02,796 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-15 18:38:02,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:38:02,797 INFO L225 Difference]: With dead ends: 202 [2020-10-15 18:38:02,798 INFO L226 Difference]: Without dead ends: 130 [2020-10-15 18:38:02,798 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 18:38:02,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-15 18:38:02,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-10-15 18:38:02,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-15 18:38:02,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 322 transitions. [2020-10-15 18:38:02,812 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 322 transitions. Word has length 9 [2020-10-15 18:38:02,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:38:02,813 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 322 transitions. [2020-10-15 18:38:02,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 18:38:02,813 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 322 transitions. [2020-10-15 18:38:02,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 18:38:02,814 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:38:02,814 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:38:02,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 18:38:02,815 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:38:02,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:38:02,815 INFO L82 PathProgramCache]: Analyzing trace with hash 857303980, now seen corresponding path program 1 times [2020-10-15 18:38:02,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:38:02,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948448750] [2020-10-15 18:38:02,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:38:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:38:02,892 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 18:38:02,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948448750] [2020-10-15 18:38:02,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:38:02,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 18:38:02,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762237982] [2020-10-15 18:38:02,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 18:38:02,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:38:02,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 18:38:02,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 18:38:02,895 INFO L87 Difference]: Start difference. First operand 130 states and 322 transitions. Second operand 4 states. [2020-10-15 18:38:02,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:38:02,928 INFO L93 Difference]: Finished difference Result 148 states and 336 transitions. [2020-10-15 18:38:02,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 18:38:02,928 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-15 18:38:02,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:38:02,930 INFO L225 Difference]: With dead ends: 148 [2020-10-15 18:38:02,930 INFO L226 Difference]: Without dead ends: 112 [2020-10-15 18:38:02,930 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 18:38:02,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-15 18:38:02,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-10-15 18:38:02,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-15 18:38:02,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 253 transitions. [2020-10-15 18:38:02,940 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 253 transitions. Word has length 10 [2020-10-15 18:38:02,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:38:02,940 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 253 transitions. [2020-10-15 18:38:02,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 18:38:02,940 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 253 transitions. [2020-10-15 18:38:02,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-15 18:38:02,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:38:02,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:38:02,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 18:38:02,942 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:38:02,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:38:02,942 INFO L82 PathProgramCache]: Analyzing trace with hash 806230555, now seen corresponding path program 1 times [2020-10-15 18:38:02,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:38:02,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845151101] [2020-10-15 18:38:02,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:38:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:38:03,043 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 18:38:03,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845151101] [2020-10-15 18:38:03,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:38:03,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 18:38:03,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152934214] [2020-10-15 18:38:03,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 18:38:03,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:38:03,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 18:38:03,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 18:38:03,047 INFO L87 Difference]: Start difference. First operand 112 states and 253 transitions. Second operand 5 states. [2020-10-15 18:38:03,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:38:03,096 INFO L93 Difference]: Finished difference Result 109 states and 227 transitions. [2020-10-15 18:38:03,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 18:38:03,096 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-15 18:38:03,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:38:03,097 INFO L225 Difference]: With dead ends: 109 [2020-10-15 18:38:03,098 INFO L226 Difference]: Without dead ends: 85 [2020-10-15 18:38:03,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 18:38:03,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-15 18:38:03,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-10-15 18:38:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-15 18:38:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 173 transitions. [2020-10-15 18:38:03,104 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 173 transitions. Word has length 11 [2020-10-15 18:38:03,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:38:03,105 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 173 transitions. [2020-10-15 18:38:03,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 18:38:03,105 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 173 transitions. [2020-10-15 18:38:03,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-15 18:38:03,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:38:03,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:38:03,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 18:38:03,107 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:38:03,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:38:03,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1664906609, now seen corresponding path program 1 times [2020-10-15 18:38:03,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:38:03,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258363905] [2020-10-15 18:38:03,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:38:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:38:03,195 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 18:38:03,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258363905] [2020-10-15 18:38:03,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:38:03,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 18:38:03,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904282318] [2020-10-15 18:38:03,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 18:38:03,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:38:03,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 18:38:03,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 18:38:03,198 INFO L87 Difference]: Start difference. First operand 85 states and 173 transitions. Second operand 6 states. [2020-10-15 18:38:03,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:38:03,252 INFO L93 Difference]: Finished difference Result 80 states and 161 transitions. [2020-10-15 18:38:03,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 18:38:03,253 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-10-15 18:38:03,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:38:03,254 INFO L225 Difference]: With dead ends: 80 [2020-10-15 18:38:03,254 INFO L226 Difference]: Without dead ends: 72 [2020-10-15 18:38:03,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-15 18:38:03,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-15 18:38:03,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-10-15 18:38:03,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-15 18:38:03,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 147 transitions. [2020-10-15 18:38:03,262 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 147 transitions. Word has length 13 [2020-10-15 18:38:03,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:38:03,263 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 147 transitions. [2020-10-15 18:38:03,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 18:38:03,263 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 147 transitions. [2020-10-15 18:38:03,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-15 18:38:03,269 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:38:03,269 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:38:03,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 18:38:03,270 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:38:03,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:38:03,272 INFO L82 PathProgramCache]: Analyzing trace with hash 399497030, now seen corresponding path program 1 times [2020-10-15 18:38:03,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:38:03,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547271102] [2020-10-15 18:38:03,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:38:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:38:03,309 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 18:38:03,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547271102] [2020-10-15 18:38:03,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:38:03,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 18:38:03,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058203781] [2020-10-15 18:38:03,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 18:38:03,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:38:03,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 18:38:03,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 18:38:03,311 INFO L87 Difference]: Start difference. First operand 72 states and 147 transitions. Second operand 4 states. [2020-10-15 18:38:03,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:38:03,325 INFO L93 Difference]: Finished difference Result 97 states and 192 transitions. [2020-10-15 18:38:03,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 18:38:03,326 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-15 18:38:03,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:38:03,326 INFO L225 Difference]: With dead ends: 97 [2020-10-15 18:38:03,327 INFO L226 Difference]: Without dead ends: 48 [2020-10-15 18:38:03,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 18:38:03,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-15 18:38:03,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-15 18:38:03,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-15 18:38:03,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 85 transitions. [2020-10-15 18:38:03,330 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 85 transitions. Word has length 16 [2020-10-15 18:38:03,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:38:03,331 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 85 transitions. [2020-10-15 18:38:03,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 18:38:03,331 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2020-10-15 18:38:03,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-15 18:38:03,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:38:03,332 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:38:03,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 18:38:03,332 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:38:03,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:38:03,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1410540376, now seen corresponding path program 2 times [2020-10-15 18:38:03,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:38:03,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453481456] [2020-10-15 18:38:03,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:38:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:38:03,367 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 18:38:03,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453481456] [2020-10-15 18:38:03,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:38:03,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 18:38:03,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047651564] [2020-10-15 18:38:03,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 18:38:03,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:38:03,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 18:38:03,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 18:38:03,369 INFO L87 Difference]: Start difference. First operand 48 states and 85 transitions. Second operand 4 states. [2020-10-15 18:38:03,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:38:03,378 INFO L93 Difference]: Finished difference Result 47 states and 84 transitions. [2020-10-15 18:38:03,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 18:38:03,378 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-15 18:38:03,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:38:03,379 INFO L225 Difference]: With dead ends: 47 [2020-10-15 18:38:03,379 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 18:38:03,379 INFO L677 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 [2020-10-15 18:38:03,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 18:38:03,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 18:38:03,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 18:38:03,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 18:38:03,380 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-10-15 18:38:03,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:38:03,381 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 18:38:03,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 18:38:03,381 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 18:38:03,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 18:38:03,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 18:38:03,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 06:38:03 BasicIcfg [2020-10-15 18:38:03,385 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 18:38:03,387 INFO L168 Benchmark]: Toolchain (without parser) took 4091.97 ms. Allocated memory was 253.8 MB in the beginning and 372.2 MB in the end (delta: 118.5 MB). Free memory was 209.6 MB in the beginning and 255.8 MB in the end (delta: -46.1 MB). Peak memory consumption was 72.4 MB. Max. memory is 14.2 GB. [2020-10-15 18:38:03,388 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 253.8 MB. Free memory was 231.8 MB in the beginning and 231.0 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 14.2 GB. [2020-10-15 18:38:03,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.38 ms. Allocated memory was 253.8 MB in the beginning and 321.4 MB in the end (delta: 67.6 MB). Free memory was 208.8 MB in the beginning and 276.0 MB in the end (delta: -67.2 MB). Peak memory consumption was 29.6 MB. Max. memory is 14.2 GB. [2020-10-15 18:38:03,390 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.82 ms. Allocated memory is still 321.4 MB. Free memory was 276.0 MB in the beginning and 274.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-15 18:38:03,391 INFO L168 Benchmark]: Boogie Preprocessor took 23.30 ms. Allocated memory is still 321.4 MB. Free memory was 274.3 MB in the beginning and 272.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-15 18:38:03,392 INFO L168 Benchmark]: RCFGBuilder took 415.33 ms. Allocated memory is still 321.4 MB. Free memory was 272.6 MB in the beginning and 249.8 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 14.2 GB. [2020-10-15 18:38:03,392 INFO L168 Benchmark]: TraceAbstraction took 2873.36 ms. Allocated memory was 321.4 MB in the beginning and 372.2 MB in the end (delta: 50.9 MB). Free memory was 249.8 MB in the beginning and 255.8 MB in the end (delta: -6.0 MB). Peak memory consumption was 44.8 MB. Max. memory is 14.2 GB. [2020-10-15 18:38:03,397 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 253.8 MB. Free memory was 231.8 MB in the beginning and 231.0 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 724.38 ms. Allocated memory was 253.8 MB in the beginning and 321.4 MB in the end (delta: 67.6 MB). Free memory was 208.8 MB in the beginning and 276.0 MB in the end (delta: -67.2 MB). Peak memory consumption was 29.6 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 45.82 ms. Allocated memory is still 321.4 MB. Free memory was 276.0 MB in the beginning and 274.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 23.30 ms. Allocated memory is still 321.4 MB. Free memory was 274.3 MB in the beginning and 272.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 415.33 ms. Allocated memory is still 321.4 MB. Free memory was 272.6 MB in the beginning and 249.8 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 2873.36 ms. Allocated memory was 321.4 MB in the beginning and 372.2 MB in the end (delta: 50.9 MB). Free memory was 249.8 MB in the beginning and 255.8 MB in the end (delta: -6.0 MB). Peak memory consumption was 44.8 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 831 VarBasedMoverChecksPositive, 46 VarBasedMoverChecksNegative, 8 SemBasedMoverChecksPositive, 38 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 58 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.5s, 77 PlacesBefore, 30 PlacesAfterwards, 69 TransitionsBefore, 20 TransitionsAfterwards, 1178 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 56 TotalNumberOfCompositions, 2123 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 4 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.7s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: 124 SDtfs, 130 SDslu, 169 SDs, 0 SdLazy, 101 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 2534 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...