/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe018_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:40:16,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:40:16,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:40:16,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:40:16,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:40:16,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:40:16,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:40:16,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:40:16,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:40:16,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:40:16,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:40:16,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:40:16,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:40:16,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:40:16,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:40:17,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:40:17,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:40:17,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:40:17,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:40:17,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:40:17,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:40:17,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:40:17,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:40:17,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:40:17,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:40:17,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:40:17,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:40:17,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:40:17,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:40:17,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:40:17,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:40:17,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:40:17,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:40:17,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:40:17,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:40:17,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:40:17,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-05 23:40:17,044 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:40:17,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:40:17,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:40:17,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:40:17,047 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:40:17,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:40:17,047 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:40:17,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:40:17,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:40:17,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:40:17,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:40:17,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:40:17,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:40:17,048 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:40:17,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:40:17,049 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:40:17,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:40:17,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:40:17,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:40:17,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:40:17,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:40:17,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:40:17,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:40:17,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:40:17,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:40:17,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:40:17,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:40:17,051 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:40:17,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:40:17,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:40:17,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:40:17,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:40:17,414 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:40:17,414 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:40:17,415 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_pso.opt.i [2020-10-05 23:40:17,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/275b787b7/f6a02c0c083b4ae2a13e8e4a19636bb1/FLAG9efa63f1d [2020-10-05 23:40:18,119 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:40:18,120 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_pso.opt.i [2020-10-05 23:40:18,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/275b787b7/f6a02c0c083b4ae2a13e8e4a19636bb1/FLAG9efa63f1d [2020-10-05 23:40:18,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/275b787b7/f6a02c0c083b4ae2a13e8e4a19636bb1 [2020-10-05 23:40:18,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:40:18,366 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:40:18,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:40:18,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:40:18,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:40:18,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:40:18" (1/1) ... [2020-10-05 23:40:18,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff23f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:18, skipping insertion in model container [2020-10-05 23:40:18,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:40:18" (1/1) ... [2020-10-05 23:40:18,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:40:18,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:40:18,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:40:18,995 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:40:19,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:40:19,138 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:40:19,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:19 WrapperNode [2020-10-05 23:40:19,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:40:19,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:40:19,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:40:19,142 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:40:19,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:19" (1/1) ... [2020-10-05 23:40:19,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:19" (1/1) ... [2020-10-05 23:40:19,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:40:19,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:40:19,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:40:19,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:40:19,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:19" (1/1) ... [2020-10-05 23:40:19,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:19" (1/1) ... [2020-10-05 23:40:19,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:19" (1/1) ... [2020-10-05 23:40:19,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:19" (1/1) ... [2020-10-05 23:40:19,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:19" (1/1) ... [2020-10-05 23:40:19,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:19" (1/1) ... [2020-10-05 23:40:19,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:19" (1/1) ... [2020-10-05 23:40:19,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:40:19,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:40:19,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:40:19,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:40:19,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:19" (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 [2020-10-05 23:40:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:40:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:40:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:40:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:40:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:40:19,297 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:40:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:40:19,298 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:40:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 23:40:19,298 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 23:40:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:40:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:40:19,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:40:19,301 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:40:19,643 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:40:19,643 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-05 23:40:19,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:40:19 BoogieIcfgContainer [2020-10-05 23:40:19,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:40:19,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:40:19,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:40:19,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:40:19,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:40:18" (1/3) ... [2020-10-05 23:40:19,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350d5768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:40:19, skipping insertion in model container [2020-10-05 23:40:19,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:19" (2/3) ... [2020-10-05 23:40:19,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350d5768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:40:19, skipping insertion in model container [2020-10-05 23:40:19,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:40:19" (3/3) ... [2020-10-05 23:40:19,655 INFO L109 eAbstractionObserver]: Analyzing ICFG safe018_pso.opt.i [2020-10-05 23:40:19,667 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:40:19,667 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:40:19,675 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-05 23:40:19,676 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:40:19,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,730 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,730 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,732 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,732 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,733 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,734 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,734 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,748 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,748 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,755 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,756 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,759 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,759 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:19,775 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-05 23:40:19,793 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:40:19,793 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:40:19,794 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:40:19,794 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:40:19,794 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:40:19,794 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:40:19,794 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:40:19,795 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:40:19,811 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 69 transitions, 153 flow [2020-10-05 23:40:19,814 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 69 transitions, 153 flow [2020-10-05 23:40:19,865 INFO L129 PetriNetUnfolder]: 2/66 cut-off events. [2020-10-05 23:40:19,865 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:40:19,871 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. [2020-10-05 23:40:19,874 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 69 transitions, 153 flow [2020-10-05 23:40:19,898 INFO L129 PetriNetUnfolder]: 2/66 cut-off events. [2020-10-05 23:40:19,898 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:40:19,899 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. [2020-10-05 23:40:19,901 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1178 [2020-10-05 23:40:19,903 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:40:21,321 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1996 [2020-10-05 23:40:21,322 INFO L214 etLargeBlockEncoding]: Total number of compositions: 58 [2020-10-05 23:40:21,326 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 20 transitions, 55 flow [2020-10-05 23:40:21,348 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 226 states. [2020-10-05 23:40:21,351 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states. [2020-10-05 23:40:21,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-05 23:40:21,359 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:40:21,359 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:40:21,360 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:40:21,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:40:21,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1153400973, now seen corresponding path program 1 times [2020-10-05 23:40:21,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:40:21,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927689671] [2020-10-05 23:40:21,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:40:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:40:21,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:40:21,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927689671] [2020-10-05 23:40:21,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:40:21,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:40:21,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371515376] [2020-10-05 23:40:21,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:40:21,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:40:21,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:40:21,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:40:21,612 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 3 states. [2020-10-05 23:40:21,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:40:21,657 INFO L93 Difference]: Finished difference Result 214 states and 593 transitions. [2020-10-05 23:40:21,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:40:21,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-05 23:40:21,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:40:21,674 INFO L225 Difference]: With dead ends: 214 [2020-10-05 23:40:21,674 INFO L226 Difference]: Without dead ends: 166 [2020-10-05 23:40:21,676 INFO L675 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 [2020-10-05 23:40:21,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-05 23:40:21,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2020-10-05 23:40:21,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-10-05 23:40:21,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 441 transitions. [2020-10-05 23:40:21,736 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 441 transitions. Word has length 8 [2020-10-05 23:40:21,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:40:21,738 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 441 transitions. [2020-10-05 23:40:21,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:40:21,738 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 441 transitions. [2020-10-05 23:40:21,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 23:40:21,739 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:40:21,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:40:21,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:40:21,740 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:40:21,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:40:21,741 INFO L82 PathProgramCache]: Analyzing trace with hash 837018342, now seen corresponding path program 1 times [2020-10-05 23:40:21,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:40:21,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557774924] [2020-10-05 23:40:21,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:40:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:40:21,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:40:21,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557774924] [2020-10-05 23:40:21,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:40:21,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:40:21,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794474221] [2020-10-05 23:40:21,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:40:21,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:40:21,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:40:21,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:40:21,818 INFO L87 Difference]: Start difference. First operand 166 states and 441 transitions. Second operand 4 states. [2020-10-05 23:40:21,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:40:21,844 INFO L93 Difference]: Finished difference Result 184 states and 465 transitions. [2020-10-05 23:40:21,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:40:21,845 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-05 23:40:21,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:40:21,846 INFO L225 Difference]: With dead ends: 184 [2020-10-05 23:40:21,846 INFO L226 Difference]: Without dead ends: 88 [2020-10-05 23:40:21,847 INFO L675 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 [2020-10-05 23:40:21,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-05 23:40:21,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2020-10-05 23:40:21,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-05 23:40:21,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 207 transitions. [2020-10-05 23:40:21,857 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 207 transitions. Word has length 9 [2020-10-05 23:40:21,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:40:21,857 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 207 transitions. [2020-10-05 23:40:21,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:40:21,858 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 207 transitions. [2020-10-05 23:40:21,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 23:40:21,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:40:21,859 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:40:21,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:40:21,859 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:40:21,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:40:21,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1248093964, now seen corresponding path program 1 times [2020-10-05 23:40:21,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:40:21,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148406842] [2020-10-05 23:40:21,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:40:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:40:21,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:40:21,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148406842] [2020-10-05 23:40:21,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:40:21,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:40:21,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899478621] [2020-10-05 23:40:21,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:40:21,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:40:21,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:40:21,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:40:21,968 INFO L87 Difference]: Start difference. First operand 88 states and 207 transitions. Second operand 4 states. [2020-10-05 23:40:21,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:40:21,991 INFO L93 Difference]: Finished difference Result 118 states and 268 transitions. [2020-10-05 23:40:21,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:40:21,991 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-05 23:40:21,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:40:21,992 INFO L225 Difference]: With dead ends: 118 [2020-10-05 23:40:21,993 INFO L226 Difference]: Without dead ends: 64 [2020-10-05 23:40:21,993 INFO L675 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 [2020-10-05 23:40:21,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-05 23:40:21,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-05 23:40:21,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-05 23:40:21,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 137 transitions. [2020-10-05 23:40:21,999 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 137 transitions. Word has length 11 [2020-10-05 23:40:21,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:40:22,000 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 137 transitions. [2020-10-05 23:40:22,000 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:40:22,000 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 137 transitions. [2020-10-05 23:40:22,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 23:40:22,001 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:40:22,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:40:22,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:40:22,001 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:40:22,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:40:22,002 INFO L82 PathProgramCache]: Analyzing trace with hash 500064419, now seen corresponding path program 1 times [2020-10-05 23:40:22,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:40:22,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637597516] [2020-10-05 23:40:22,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:40:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:40:22,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:40:22,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637597516] [2020-10-05 23:40:22,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:40:22,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:40:22,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121546725] [2020-10-05 23:40:22,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:40:22,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:40:22,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:40:22,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:40:22,071 INFO L87 Difference]: Start difference. First operand 64 states and 137 transitions. Second operand 4 states. [2020-10-05 23:40:22,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:40:22,103 INFO L93 Difference]: Finished difference Result 77 states and 150 transitions. [2020-10-05 23:40:22,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:40:22,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-05 23:40:22,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:40:22,105 INFO L225 Difference]: With dead ends: 77 [2020-10-05 23:40:22,105 INFO L226 Difference]: Without dead ends: 56 [2020-10-05 23:40:22,105 INFO L675 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 [2020-10-05 23:40:22,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-05 23:40:22,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-10-05 23:40:22,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-05 23:40:22,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 109 transitions. [2020-10-05 23:40:22,111 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 109 transitions. Word has length 12 [2020-10-05 23:40:22,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:40:22,111 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 109 transitions. [2020-10-05 23:40:22,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:40:22,111 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 109 transitions. [2020-10-05 23:40:22,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:40:22,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:40:22,112 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:40:22,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:40:22,113 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:40:22,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:40:22,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1337478729, now seen corresponding path program 1 times [2020-10-05 23:40:22,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:40:22,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634823592] [2020-10-05 23:40:22,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:40:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:40:22,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:40:22,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634823592] [2020-10-05 23:40:22,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:40:22,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:40:22,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435298083] [2020-10-05 23:40:22,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:40:22,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:40:22,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:40:22,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:40:22,195 INFO L87 Difference]: Start difference. First operand 56 states and 109 transitions. Second operand 5 states. [2020-10-05 23:40:22,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:40:22,249 INFO L93 Difference]: Finished difference Result 57 states and 99 transitions. [2020-10-05 23:40:22,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:40:22,250 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-05 23:40:22,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:40:22,251 INFO L225 Difference]: With dead ends: 57 [2020-10-05 23:40:22,251 INFO L226 Difference]: Without dead ends: 42 [2020-10-05 23:40:22,252 INFO L675 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 [2020-10-05 23:40:22,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-05 23:40:22,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-05 23:40:22,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-05 23:40:22,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 69 transitions. [2020-10-05 23:40:22,258 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 69 transitions. Word has length 13 [2020-10-05 23:40:22,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:40:22,259 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 69 transitions. [2020-10-05 23:40:22,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:40:22,259 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2020-10-05 23:40:22,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-05 23:40:22,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:40:22,260 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:40:22,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:40:22,261 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:40:22,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:40:22,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1451530590, now seen corresponding path program 1 times [2020-10-05 23:40:22,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:40:22,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069488602] [2020-10-05 23:40:22,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:40:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:40:22,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:40:22,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069488602] [2020-10-05 23:40:22,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:40:22,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:40:22,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198418284] [2020-10-05 23:40:22,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:40:22,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:40:22,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:40:22,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:40:22,323 INFO L87 Difference]: Start difference. First operand 42 states and 69 transitions. Second operand 6 states. [2020-10-05 23:40:22,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:40:22,371 INFO L93 Difference]: Finished difference Result 39 states and 61 transitions. [2020-10-05 23:40:22,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:40:22,371 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-05 23:40:22,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:40:22,372 INFO L225 Difference]: With dead ends: 39 [2020-10-05 23:40:22,372 INFO L226 Difference]: Without dead ends: 33 [2020-10-05 23:40:22,373 INFO L675 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 [2020-10-05 23:40:22,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-05 23:40:22,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-05 23:40:22,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-05 23:40:22,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 51 transitions. [2020-10-05 23:40:22,376 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 51 transitions. Word has length 14 [2020-10-05 23:40:22,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:40:22,376 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 51 transitions. [2020-10-05 23:40:22,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:40:22,377 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2020-10-05 23:40:22,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-05 23:40:22,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:40:22,378 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:40:22,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:40:22,378 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:40:22,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:40:22,378 INFO L82 PathProgramCache]: Analyzing trace with hash -958438309, now seen corresponding path program 1 times [2020-10-05 23:40:22,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:40:22,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803548492] [2020-10-05 23:40:22,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:40:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:40:22,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:40:22,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803548492] [2020-10-05 23:40:22,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:40:22,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:40:22,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478278109] [2020-10-05 23:40:22,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:40:22,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:40:22,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:40:22,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:40:22,414 INFO L87 Difference]: Start difference. First operand 33 states and 51 transitions. Second operand 4 states. [2020-10-05 23:40:22,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:40:22,426 INFO L93 Difference]: Finished difference Result 32 states and 50 transitions. [2020-10-05 23:40:22,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:40:22,427 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-05 23:40:22,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:40:22,427 INFO L225 Difference]: With dead ends: 32 [2020-10-05 23:40:22,427 INFO L226 Difference]: Without dead ends: 0 [2020-10-05 23:40:22,428 INFO L675 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 [2020-10-05 23:40:22,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-05 23:40:22,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-05 23:40:22,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-05 23:40:22,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-05 23:40:22,429 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-10-05 23:40:22,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:40:22,429 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-05 23:40:22,429 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:40:22,429 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-05 23:40:22,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-05 23:40:22,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:40:22,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:40:22 BasicIcfg [2020-10-05 23:40:22,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:40:22,437 INFO L168 Benchmark]: Toolchain (without parser) took 4069.90 ms. Allocated memory was 137.4 MB in the beginning and 253.8 MB in the end (delta: 116.4 MB). Free memory was 99.0 MB in the beginning and 102.0 MB in the end (delta: -2.9 MB). Peak memory consumption was 113.5 MB. Max. memory is 7.1 GB. [2020-10-05 23:40:22,438 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-05 23:40:22,439 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.23 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 98.6 MB in the beginning and 158.0 MB in the end (delta: -59.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2020-10-05 23:40:22,439 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.40 ms. Allocated memory is still 200.3 MB. Free memory was 158.0 MB in the beginning and 156.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:40:22,440 INFO L168 Benchmark]: Boogie Preprocessor took 30.09 ms. Allocated memory is still 200.3 MB. Free memory was 156.0 MB in the beginning and 155.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:40:22,441 INFO L168 Benchmark]: RCFGBuilder took 415.54 ms. Allocated memory is still 200.3 MB. Free memory was 155.0 MB in the beginning and 132.2 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-10-05 23:40:22,442 INFO L168 Benchmark]: TraceAbstraction took 2786.71 ms. Allocated memory was 200.3 MB in the beginning and 253.8 MB in the end (delta: 53.5 MB). Free memory was 132.2 MB in the beginning and 102.0 MB in the end (delta: 30.2 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2020-10-05 23:40:22,446 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 773.23 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 98.6 MB in the beginning and 158.0 MB in the end (delta: -59.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 58.40 ms. Allocated memory is still 200.3 MB. Free memory was 158.0 MB in the beginning and 156.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.09 ms. Allocated memory is still 200.3 MB. Free memory was 156.0 MB in the beginning and 155.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 415.54 ms. Allocated memory is still 200.3 MB. Free memory was 155.0 MB in the beginning and 132.2 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2786.71 ms. Allocated memory was 200.3 MB in the beginning and 253.8 MB in the end (delta: 53.5 MB). Free memory was 132.2 MB in the beginning and 102.0 MB in the end (delta: 30.2 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.5s, 77 ProgramPointsBefore, 30 ProgramPointsAfterwards, 69 TransitionsBefore, 20 TransitionsAfterwards, 1178 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 610 VarBasedMoverChecksPositive, 23 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 1996 CheckedPairsTotal, 58 TotalNumberOfCompositions - 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: 2.6s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 109 SDtfs, 110 SDslu, 133 SDs, 0 SdLazy, 99 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 1 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, 0.3s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 2904 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...