/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/safe026_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 18:37:34,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 18:37:34,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 18:37:34,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 18:37:34,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 18:37:34,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 18:37:34,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 18:37:34,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 18:37:34,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 18:37:34,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 18:37:34,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 18:37:34,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 18:37:34,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 18:37:34,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 18:37:34,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 18:37:34,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 18:37:34,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 18:37:34,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 18:37:34,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 18:37:34,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 18:37:34,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 18:37:34,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 18:37:34,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 18:37:34,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 18:37:34,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-15 18:37:34,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 18:37:34,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 18:37:34,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 18:37:34,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 18:37:34,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 18:37:34,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 18:37:34,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 18:37:34,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 18:37:34,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 18:37:34,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 18:37:34,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 18:37:34,337 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 18:37:34,358 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 18:37:34,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 18:37:34,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 18:37:34,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 18:37:34,360 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 18:37:34,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 18:37:34,360 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 18:37:34,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 18:37:34,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 18:37:34,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 18:37:34,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 18:37:34,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 18:37:34,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 18:37:34,362 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 18:37:34,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 18:37:34,362 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 18:37:34,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 18:37:34,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 18:37:34,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 18:37:34,363 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 18:37:34,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 18:37:34,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 18:37:34,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 18:37:34,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 18:37:34,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 18:37:34,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 18:37:34,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 18:37:34,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 18:37:34,364 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 18:37:34,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 18:37:34,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 18:37:34,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 18:37:34,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 18:37:34,671 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 18:37:34,671 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 18:37:34,672 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.oepc.i [2020-10-15 18:37:34,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f63d4373/f1196cddbf4a470db483e564a4bb6a93/FLAGc7faade76 [2020-10-15 18:37:35,305 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 18:37:35,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.oepc.i [2020-10-15 18:37:35,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f63d4373/f1196cddbf4a470db483e564a4bb6a93/FLAGc7faade76 [2020-10-15 18:37:35,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f63d4373/f1196cddbf4a470db483e564a4bb6a93 [2020-10-15 18:37:35,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 18:37:35,558 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 18:37:35,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 18:37:35,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 18:37:35,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 18:37:35,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:37:35" (1/1) ... [2020-10-15 18:37:35,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a75c358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:37:35, skipping insertion in model container [2020-10-15 18:37:35,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:37:35" (1/1) ... [2020-10-15 18:37:35,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 18:37:35,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 18:37:36,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 18:37:36,114 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 18:37:36,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 18:37:36,234 INFO L208 MainTranslator]: Completed translation [2020-10-15 18:37:36,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:37:36 WrapperNode [2020-10-15 18:37:36,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 18:37:36,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 18:37:36,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 18:37:36,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 18:37:36,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:37:36" (1/1) ... [2020-10-15 18:37:36,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:37:36" (1/1) ... [2020-10-15 18:37:36,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 18:37:36,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 18:37:36,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 18:37:36,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 18:37:36,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:37:36" (1/1) ... [2020-10-15 18:37:36,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:37:36" (1/1) ... [2020-10-15 18:37:36,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:37:36" (1/1) ... [2020-10-15 18:37:36,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:37:36" (1/1) ... [2020-10-15 18:37:36,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:37:36" (1/1) ... [2020-10-15 18:37:36,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:37:36" (1/1) ... [2020-10-15 18:37:36,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:37:36" (1/1) ... [2020-10-15 18:37:36,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 18:37:36,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 18:37:36,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 18:37:36,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 18:37:36,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:37:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 18:37:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 18:37:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-15 18:37:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 18:37:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 18:37:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-15 18:37:36,368 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-15 18:37:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-15 18:37:36,368 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-15 18:37:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-15 18:37:36,368 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-15 18:37:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-15 18:37:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 18:37:36,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 18:37:36,370 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 18:37:36,701 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 18:37:36,701 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-15 18:37:36,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:37:36 BoogieIcfgContainer [2020-10-15 18:37:36,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 18:37:36,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 18:37:36,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 18:37:36,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 18:37:36,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:37:35" (1/3) ... [2020-10-15 18:37:36,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca5b76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:37:36, skipping insertion in model container [2020-10-15 18:37:36,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:37:36" (2/3) ... [2020-10-15 18:37:36,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca5b76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:37:36, skipping insertion in model container [2020-10-15 18:37:36,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:37:36" (3/3) ... [2020-10-15 18:37:36,712 INFO L111 eAbstractionObserver]: Analyzing ICFG safe026_tso.oepc.i [2020-10-15 18:37:36,722 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 18:37:36,723 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 18:37:36,730 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 18:37:36,731 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 18:37:36,757 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,757 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,758 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,764 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,765 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,765 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,765 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,765 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,765 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,766 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,767 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,767 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,768 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,768 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,772 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,772 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,772 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,772 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,778 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,778 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,779 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,781 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,782 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:37:36,797 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-15 18:37:36,817 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 18:37:36,817 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 18:37:36,817 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 18:37:36,817 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 18:37:36,817 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 18:37:36,818 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 18:37:36,818 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 18:37:36,818 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 18:37:36,830 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 18:37:36,833 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 68 transitions, 151 flow [2020-10-15 18:37:36,835 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 68 transitions, 151 flow [2020-10-15 18:37:36,837 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 76 places, 68 transitions, 151 flow [2020-10-15 18:37:36,880 INFO L129 PetriNetUnfolder]: 2/65 cut-off events. [2020-10-15 18:37:36,880 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 18:37:36,885 INFO L80 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 65 events. 2/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2020-10-15 18:37:36,888 INFO L117 LiptonReduction]: Number of co-enabled transitions 1178 [2020-10-15 18:37:38,281 INFO L132 LiptonReduction]: Checked pairs total: 2269 [2020-10-15 18:37:38,281 INFO L134 LiptonReduction]: Total number of compositions: 59 [2020-10-15 18:37:38,287 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 20 transitions, 55 flow [2020-10-15 18:37:38,308 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 226 states. [2020-10-15 18:37:38,310 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states. [2020-10-15 18:37:38,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-15 18:37:38,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:37:38,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:37:38,318 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:37:38,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:37:38,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1225676630, now seen corresponding path program 1 times [2020-10-15 18:37:38,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:37:38,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33757839] [2020-10-15 18:37:38,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:37:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:37:38,522 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 18:37:38,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33757839] [2020-10-15 18:37:38,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:37:38,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 18:37:38,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22735885] [2020-10-15 18:37:38,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 18:37:38,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:37:38,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 18:37:38,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 18:37:38,547 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 3 states. [2020-10-15 18:37:38,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:37:38,591 INFO L93 Difference]: Finished difference Result 214 states and 593 transitions. [2020-10-15 18:37:38,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 18:37:38,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-15 18:37:38,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:37:38,607 INFO L225 Difference]: With dead ends: 214 [2020-10-15 18:37:38,608 INFO L226 Difference]: Without dead ends: 166 [2020-10-15 18:37:38,609 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 18:37:38,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-15 18:37:38,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2020-10-15 18:37:38,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-10-15 18:37:38,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 441 transitions. [2020-10-15 18:37:38,667 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 441 transitions. Word has length 8 [2020-10-15 18:37:38,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:37:38,668 INFO L481 AbstractCegarLoop]: Abstraction has 166 states and 441 transitions. [2020-10-15 18:37:38,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 18:37:38,668 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 441 transitions. [2020-10-15 18:37:38,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-15 18:37:38,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:37:38,670 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:37:38,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 18:37:38,671 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:37:38,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:37:38,671 INFO L82 PathProgramCache]: Analyzing trace with hash 658710541, now seen corresponding path program 1 times [2020-10-15 18:37:38,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:37:38,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982163544] [2020-10-15 18:37:38,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:37:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:37:38,786 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 18:37:38,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982163544] [2020-10-15 18:37:38,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:37:38,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 18:37:38,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809215259] [2020-10-15 18:37:38,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 18:37:38,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:37:38,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 18:37:38,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 18:37:38,790 INFO L87 Difference]: Start difference. First operand 166 states and 441 transitions. Second operand 4 states. [2020-10-15 18:37:38,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:37:38,838 INFO L93 Difference]: Finished difference Result 220 states and 567 transitions. [2020-10-15 18:37:38,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 18:37:38,840 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-15 18:37:38,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:37:38,842 INFO L225 Difference]: With dead ends: 220 [2020-10-15 18:37:38,842 INFO L226 Difference]: Without dead ends: 148 [2020-10-15 18:37:38,843 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 18:37:38,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-10-15 18:37:38,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-10-15 18:37:38,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-15 18:37:38,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 377 transitions. [2020-10-15 18:37:38,858 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 377 transitions. Word has length 9 [2020-10-15 18:37:38,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:37:38,859 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 377 transitions. [2020-10-15 18:37:38,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 18:37:38,859 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 377 transitions. [2020-10-15 18:37:38,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 18:37:38,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:37:38,861 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:37:38,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 18:37:38,861 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:37:38,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:37:38,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1054223531, now seen corresponding path program 1 times [2020-10-15 18:37:38,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:37:38,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047285373] [2020-10-15 18:37:38,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:37:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:37:38,990 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 18:37:38,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047285373] [2020-10-15 18:37:38,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:37:38,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 18:37:38,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596237401] [2020-10-15 18:37:38,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 18:37:38,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:37:38,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 18:37:38,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 18:37:38,992 INFO L87 Difference]: Start difference. First operand 148 states and 377 transitions. Second operand 4 states. [2020-10-15 18:37:39,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:37:39,021 INFO L93 Difference]: Finished difference Result 168 states and 391 transitions. [2020-10-15 18:37:39,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 18:37:39,022 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-15 18:37:39,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:37:39,023 INFO L225 Difference]: With dead ends: 168 [2020-10-15 18:37:39,023 INFO L226 Difference]: Without dead ends: 126 [2020-10-15 18:37:39,024 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 18:37:39,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-15 18:37:39,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-10-15 18:37:39,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-15 18:37:39,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 291 transitions. [2020-10-15 18:37:39,034 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 291 transitions. Word has length 10 [2020-10-15 18:37:39,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:37:39,034 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 291 transitions. [2020-10-15 18:37:39,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 18:37:39,035 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 291 transitions. [2020-10-15 18:37:39,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-15 18:37:39,036 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:37:39,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:37:39,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 18:37:39,036 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:37:39,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:37:39,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1670186442, now seen corresponding path program 1 times [2020-10-15 18:37:39,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:37:39,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257325350] [2020-10-15 18:37:39,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:37:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:37:39,106 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 18:37:39,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257325350] [2020-10-15 18:37:39,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:37:39,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 18:37:39,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478949085] [2020-10-15 18:37:39,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 18:37:39,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:37:39,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 18:37:39,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 18:37:39,109 INFO L87 Difference]: Start difference. First operand 126 states and 291 transitions. Second operand 5 states. [2020-10-15 18:37:39,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:37:39,147 INFO L93 Difference]: Finished difference Result 121 states and 257 transitions. [2020-10-15 18:37:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 18:37:39,147 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-15 18:37:39,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:37:39,148 INFO L225 Difference]: With dead ends: 121 [2020-10-15 18:37:39,148 INFO L226 Difference]: Without dead ends: 93 [2020-10-15 18:37:39,149 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 18:37:39,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-15 18:37:39,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-15 18:37:39,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-15 18:37:39,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 192 transitions. [2020-10-15 18:37:39,155 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 192 transitions. Word has length 11 [2020-10-15 18:37:39,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:37:39,156 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 192 transitions. [2020-10-15 18:37:39,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 18:37:39,156 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 192 transitions. [2020-10-15 18:37:39,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-15 18:37:39,157 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:37:39,157 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:37:39,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 18:37:39,158 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:37:39,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:37:39,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1269858217, now seen corresponding path program 1 times [2020-10-15 18:37:39,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:37:39,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410724185] [2020-10-15 18:37:39,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:37:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:37:39,233 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 18:37:39,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410724185] [2020-10-15 18:37:39,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:37:39,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 18:37:39,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080328456] [2020-10-15 18:37:39,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 18:37:39,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:37:39,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 18:37:39,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 18:37:39,235 INFO L87 Difference]: Start difference. First operand 93 states and 192 transitions. Second operand 6 states. [2020-10-15 18:37:39,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:37:39,280 INFO L93 Difference]: Finished difference Result 87 states and 178 transitions. [2020-10-15 18:37:39,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 18:37:39,280 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-10-15 18:37:39,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:37:39,281 INFO L225 Difference]: With dead ends: 87 [2020-10-15 18:37:39,281 INFO L226 Difference]: Without dead ends: 78 [2020-10-15 18:37:39,282 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 18:37:39,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-15 18:37:39,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-10-15 18:37:39,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-15 18:37:39,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 162 transitions. [2020-10-15 18:37:39,286 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 162 transitions. Word has length 13 [2020-10-15 18:37:39,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:37:39,287 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 162 transitions. [2020-10-15 18:37:39,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 18:37:39,287 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 162 transitions. [2020-10-15 18:37:39,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-15 18:37:39,288 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:37:39,288 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:37:39,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 18:37:39,288 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:37:39,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:37:39,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1906464189, now seen corresponding path program 1 times [2020-10-15 18:37:39,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:37:39,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732226520] [2020-10-15 18:37:39,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:37:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:37:39,328 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 18:37:39,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732226520] [2020-10-15 18:37:39,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:37:39,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 18:37:39,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977150785] [2020-10-15 18:37:39,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 18:37:39,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:37:39,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 18:37:39,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 18:37:39,331 INFO L87 Difference]: Start difference. First operand 78 states and 162 transitions. Second operand 4 states. [2020-10-15 18:37:39,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:37:39,348 INFO L93 Difference]: Finished difference Result 129 states and 249 transitions. [2020-10-15 18:37:39,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 18:37:39,349 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-15 18:37:39,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:37:39,349 INFO L225 Difference]: With dead ends: 129 [2020-10-15 18:37:39,349 INFO L226 Difference]: Without dead ends: 48 [2020-10-15 18:37:39,350 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 18:37:39,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-15 18:37:39,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-15 18:37:39,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-15 18:37:39,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 85 transitions. [2020-10-15 18:37:39,353 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 85 transitions. Word has length 16 [2020-10-15 18:37:39,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:37:39,353 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 85 transitions. [2020-10-15 18:37:39,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 18:37:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2020-10-15 18:37:39,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-15 18:37:39,354 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:37:39,354 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:37:39,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 18:37:39,355 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:37:39,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:37:39,355 INFO L82 PathProgramCache]: Analyzing trace with hash -109612871, now seen corresponding path program 2 times [2020-10-15 18:37:39,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:37:39,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152028986] [2020-10-15 18:37:39,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:37:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:37:39,388 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 18:37:39,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152028986] [2020-10-15 18:37:39,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:37:39,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 18:37:39,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579785448] [2020-10-15 18:37:39,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 18:37:39,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:37:39,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 18:37:39,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 18:37:39,390 INFO L87 Difference]: Start difference. First operand 48 states and 85 transitions. Second operand 4 states. [2020-10-15 18:37:39,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:37:39,400 INFO L93 Difference]: Finished difference Result 47 states and 84 transitions. [2020-10-15 18:37:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 18:37:39,400 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-15 18:37:39,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:37:39,401 INFO L225 Difference]: With dead ends: 47 [2020-10-15 18:37:39,401 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 18:37:39,401 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 18:37:39,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 18:37:39,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 18:37:39,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 18:37:39,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 18:37:39,402 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-10-15 18:37:39,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:37:39,402 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 18:37:39,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 18:37:39,403 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 18:37:39,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 18:37:39,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 18:37:39,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 06:37:39 BasicIcfg [2020-10-15 18:37:39,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 18:37:39,409 INFO L168 Benchmark]: Toolchain (without parser) took 3850.40 ms. Allocated memory was 250.6 MB in the beginning and 369.6 MB in the end (delta: 119.0 MB). Free memory was 205.8 MB in the beginning and 264.4 MB in the end (delta: -58.6 MB). Peak memory consumption was 60.4 MB. Max. memory is 14.2 GB. [2020-10-15 18:37:39,410 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 250.6 MB. Free memory was 228.7 MB in the beginning and 227.8 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 14.2 GB. [2020-10-15 18:37:39,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.79 ms. Allocated memory was 250.6 MB in the beginning and 312.5 MB in the end (delta: 61.9 MB). Free memory was 205.8 MB in the beginning and 267.0 MB in the end (delta: -61.3 MB). Peak memory consumption was 32.5 MB. Max. memory is 14.2 GB. [2020-10-15 18:37:39,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.95 ms. Allocated memory is still 312.5 MB. Free memory was 267.0 MB in the beginning and 265.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-15 18:37:39,412 INFO L168 Benchmark]: Boogie Preprocessor took 25.14 ms. Allocated memory is still 312.5 MB. Free memory was 265.3 MB in the beginning and 263.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-15 18:37:39,413 INFO L168 Benchmark]: RCFGBuilder took 397.63 ms. Allocated memory is still 312.5 MB. Free memory was 263.7 MB in the beginning and 240.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 14.2 GB. [2020-10-15 18:37:39,414 INFO L168 Benchmark]: TraceAbstraction took 2701.79 ms. Allocated memory was 312.5 MB in the beginning and 369.6 MB in the end (delta: 57.1 MB). Free memory was 240.9 MB in the beginning and 264.4 MB in the end (delta: -23.5 MB). Peak memory consumption was 33.7 MB. Max. memory is 14.2 GB. [2020-10-15 18:37:39,418 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 250.6 MB. Free memory was 228.7 MB in the beginning and 227.8 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 674.79 ms. Allocated memory was 250.6 MB in the beginning and 312.5 MB in the end (delta: 61.9 MB). Free memory was 205.8 MB in the beginning and 267.0 MB in the end (delta: -61.3 MB). Peak memory consumption was 32.5 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 44.95 ms. Allocated memory is still 312.5 MB. Free memory was 267.0 MB in the beginning and 265.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 25.14 ms. Allocated memory is still 312.5 MB. Free memory was 265.3 MB in the beginning and 263.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 397.63 ms. Allocated memory is still 312.5 MB. Free memory was 263.7 MB in the beginning and 240.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 2701.79 ms. Allocated memory was 312.5 MB in the beginning and 369.6 MB in the end (delta: 57.1 MB). Free memory was 240.9 MB in the beginning and 264.4 MB in the end (delta: -23.5 MB). Peak memory consumption was 33.7 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 749 VarBasedMoverChecksPositive, 41 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 40 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.4s, 76 PlacesBefore, 30 PlacesAfterwards, 68 TransitionsBefore, 20 TransitionsAfterwards, 1178 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 59 TotalNumberOfCompositions, 2269 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, 67 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 131 SDtfs, 126 SDslu, 188 SDs, 0 SdLazy, 102 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 2 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, 2602 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...