/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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 14:25:54,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 14:25:54,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 14:25:54,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 14:25:54,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 14:25:54,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 14:25:54,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 14:25:54,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 14:25:54,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 14:25:54,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 14:25:54,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 14:25:54,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 14:25:54,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 14:25:54,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 14:25:54,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 14:25:54,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 14:25:54,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 14:25:54,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 14:25:54,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 14:25:54,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 14:25:54,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 14:25:54,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 14:25:54,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 14:25:54,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 14:25:54,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 14:25:54,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 14:25:54,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 14:25:54,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 14:25:54,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 14:25:54,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 14:25:54,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 14:25:54,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 14:25:54,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 14:25:54,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 14:25:54,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 14:25:54,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 14:25:54,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 14:25:54,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 14:25:54,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 14:25:54,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 14:25:54,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 14:25:54,462 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-27 14:25:54,476 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 14:25:54,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 14:25:54,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 14:25:54,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 14:25:54,478 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 14:25:54,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 14:25:54,479 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 14:25:54,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 14:25:54,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 14:25:54,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 14:25:54,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 14:25:54,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 14:25:54,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 14:25:54,480 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 14:25:54,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 14:25:54,480 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 14:25:54,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 14:25:54,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 14:25:54,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 14:25:54,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 14:25:54,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 14:25:54,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 14:25:54,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 14:25:54,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 14:25:54,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 14:25:54,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 14:25:54,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 14:25:54,482 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 14:25:54,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 14:25:54,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 14:25:54,744 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 14:25:54,762 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 14:25:54,766 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 14:25:54,767 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 14:25:54,767 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 14:25:54,768 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i [2019-12-27 14:25:54,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4a2fcfb5/6a1583970f38469db8efa9b3bff8985a/FLAG6ce9a127a [2019-12-27 14:25:55,383 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 14:25:55,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i [2019-12-27 14:25:55,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4a2fcfb5/6a1583970f38469db8efa9b3bff8985a/FLAG6ce9a127a [2019-12-27 14:25:55,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4a2fcfb5/6a1583970f38469db8efa9b3bff8985a [2019-12-27 14:25:55,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 14:25:55,696 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 14:25:55,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 14:25:55,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 14:25:55,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 14:25:55,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 02:25:55" (1/1) ... [2019-12-27 14:25:55,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f989e0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:25:55, skipping insertion in model container [2019-12-27 14:25:55,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 02:25:55" (1/1) ... [2019-12-27 14:25:55,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 14:25:55,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 14:25:56,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 14:25:56,262 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 14:25:56,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 14:25:56,434 INFO L208 MainTranslator]: Completed translation [2019-12-27 14:25:56,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:25:56 WrapperNode [2019-12-27 14:25:56,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 14:25:56,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 14:25:56,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 14:25:56,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 14:25:56,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:25:56" (1/1) ... [2019-12-27 14:25:56,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:25:56" (1/1) ... [2019-12-27 14:25:56,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 14:25:56,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 14:25:56,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 14:25:56,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 14:25:56,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:25:56" (1/1) ... [2019-12-27 14:25:56,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:25:56" (1/1) ... [2019-12-27 14:25:56,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:25:56" (1/1) ... [2019-12-27 14:25:56,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:25:56" (1/1) ... [2019-12-27 14:25:56,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:25:56" (1/1) ... [2019-12-27 14:25:56,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:25:56" (1/1) ... [2019-12-27 14:25:56,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:25:56" (1/1) ... [2019-12-27 14:25:56,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 14:25:56,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 14:25:56,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 14:25:56,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 14:25:56,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:25:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 14:25:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 14:25:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 14:25:56,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 14:25:56,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 14:25:56,581 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 14:25:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 14:25:56,581 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 14:25:56,582 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 14:25:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 14:25:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 14:25:56,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 14:25:56,584 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 14:25:56,881 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 14:25:56,881 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 14:25:56,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 02:25:56 BoogieIcfgContainer [2019-12-27 14:25:56,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 14:25:56,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 14:25:56,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 14:25:56,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 14:25:56,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 02:25:55" (1/3) ... [2019-12-27 14:25:56,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49786a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 02:25:56, skipping insertion in model container [2019-12-27 14:25:56,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:25:56" (2/3) ... [2019-12-27 14:25:56,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49786a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 02:25:56, skipping insertion in model container [2019-12-27 14:25:56,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 02:25:56" (3/3) ... [2019-12-27 14:25:56,893 INFO L109 eAbstractionObserver]: Analyzing ICFG safe029_tso.oepc.i [2019-12-27 14:25:56,904 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 14:25:56,905 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 14:25:56,912 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 14:25:56,913 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 14:25:56,940 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,940 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,941 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,943 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,953 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,953 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,955 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,955 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,956 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,956 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,957 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,957 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,961 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,962 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,962 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,962 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,968 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,969 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,969 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,970 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:25:56,985 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 14:25:57,007 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 14:25:57,007 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 14:25:57,008 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 14:25:57,008 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 14:25:57,008 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 14:25:57,008 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 14:25:57,008 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 14:25:57,009 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 14:25:57,020 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 41 transitions [2019-12-27 14:25:57,048 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 285 states. [2019-12-27 14:25:57,051 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states. [2019-12-27 14:25:57,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-27 14:25:57,062 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:25:57,063 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:25:57,064 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:25:57,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:25:57,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1692607164, now seen corresponding path program 1 times [2019-12-27 14:25:57,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:25:57,081 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246685551] [2019-12-27 14:25:57,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:25:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:25:57,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:25:57,507 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246685551] [2019-12-27 14:25:57,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:25:57,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 14:25:57,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290483664] [2019-12-27 14:25:57,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 14:25:57,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:25:57,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 14:25:57,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 14:25:57,539 INFO L87 Difference]: Start difference. First operand 285 states. Second operand 5 states. [2019-12-27 14:25:57,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:25:57,664 INFO L93 Difference]: Finished difference Result 286 states and 645 transitions. [2019-12-27 14:25:57,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 14:25:57,666 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-27 14:25:57,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:25:57,693 INFO L225 Difference]: With dead ends: 286 [2019-12-27 14:25:57,693 INFO L226 Difference]: Without dead ends: 150 [2019-12-27 14:25:57,696 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 14:25:57,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-12-27 14:25:57,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-12-27 14:25:57,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-12-27 14:25:57,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 324 transitions. [2019-12-27 14:25:57,749 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 324 transitions. Word has length 24 [2019-12-27 14:25:57,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:25:57,750 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 324 transitions. [2019-12-27 14:25:57,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 14:25:57,750 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 324 transitions. [2019-12-27 14:25:57,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-27 14:25:57,752 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:25:57,752 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:25:57,753 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:25:57,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:25:57,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1106596216, now seen corresponding path program 1 times [2019-12-27 14:25:57,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:25:57,754 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470848741] [2019-12-27 14:25:57,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:25:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:25:57,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:25:57,939 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470848741] [2019-12-27 14:25:57,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:25:57,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 14:25:57,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561917882] [2019-12-27 14:25:57,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 14:25:57,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:25:57,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 14:25:57,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 14:25:57,944 INFO L87 Difference]: Start difference. First operand 150 states and 324 transitions. Second operand 5 states. [2019-12-27 14:25:58,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:25:58,023 INFO L93 Difference]: Finished difference Result 123 states and 240 transitions. [2019-12-27 14:25:58,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 14:25:58,023 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-27 14:25:58,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:25:58,027 INFO L225 Difference]: With dead ends: 123 [2019-12-27 14:25:58,027 INFO L226 Difference]: Without dead ends: 108 [2019-12-27 14:25:58,028 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 14:25:58,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-12-27 14:25:58,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-12-27 14:25:58,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-12-27 14:25:58,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 212 transitions. [2019-12-27 14:25:58,049 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 212 transitions. Word has length 25 [2019-12-27 14:25:58,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:25:58,050 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 212 transitions. [2019-12-27 14:25:58,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 14:25:58,050 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 212 transitions. [2019-12-27 14:25:58,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-27 14:25:58,057 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:25:58,057 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:25:58,057 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:25:58,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:25:58,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1832514383, now seen corresponding path program 1 times [2019-12-27 14:25:58,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:25:58,059 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509384123] [2019-12-27 14:25:58,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:25:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:25:58,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:25:58,219 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509384123] [2019-12-27 14:25:58,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:25:58,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 14:25:58,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175702631] [2019-12-27 14:25:58,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 14:25:58,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:25:58,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 14:25:58,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-27 14:25:58,221 INFO L87 Difference]: Start difference. First operand 108 states and 212 transitions. Second operand 6 states. [2019-12-27 14:25:58,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:25:58,334 INFO L93 Difference]: Finished difference Result 90 states and 170 transitions. [2019-12-27 14:25:58,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 14:25:58,334 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-12-27 14:25:58,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:25:58,335 INFO L225 Difference]: With dead ends: 90 [2019-12-27 14:25:58,335 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 14:25:58,336 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-27 14:25:58,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 14:25:58,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 14:25:58,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 14:25:58,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 14:25:58,337 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-12-27 14:25:58,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:25:58,337 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 14:25:58,337 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 14:25:58,338 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 14:25:58,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 14:25:58,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 02:25:58 BasicIcfg [2019-12-27 14:25:58,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 14:25:58,349 INFO L168 Benchmark]: Toolchain (without parser) took 2650.30 ms. Allocated memory was 139.5 MB in the beginning and 235.4 MB in the end (delta: 95.9 MB). Free memory was 102.7 MB in the beginning and 163.5 MB in the end (delta: -60.8 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2019-12-27 14:25:58,350 INFO L168 Benchmark]: CDTParser took 1.07 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-27 14:25:58,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.32 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.5 MB in the beginning and 160.4 MB in the end (delta: -57.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-12-27 14:25:58,353 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.33 ms. Allocated memory is still 204.5 MB. Free memory was 160.4 MB in the beginning and 158.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 14:25:58,354 INFO L168 Benchmark]: Boogie Preprocessor took 22.54 ms. Allocated memory is still 204.5 MB. Free memory was 158.4 MB in the beginning and 156.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 14:25:58,356 INFO L168 Benchmark]: RCFGBuilder took 374.01 ms. Allocated memory is still 204.5 MB. Free memory was 156.4 MB in the beginning and 138.9 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2019-12-27 14:25:58,361 INFO L168 Benchmark]: TraceAbstraction took 1459.72 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 138.2 MB in the beginning and 163.5 MB in the end (delta: -25.3 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-12-27 14:25:58,372 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.07 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 737.32 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.5 MB in the beginning and 160.4 MB in the end (delta: -57.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 51.33 ms. Allocated memory is still 204.5 MB. Free memory was 160.4 MB in the beginning and 158.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.54 ms. Allocated memory is still 204.5 MB. Free memory was 158.4 MB in the beginning and 156.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 374.01 ms. Allocated memory is still 204.5 MB. Free memory was 156.4 MB in the beginning and 138.9 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1459.72 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 138.2 MB in the beginning and 163.5 MB in the end (delta: -25.3 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 41 locations, 1 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 99 SDtfs, 108 SDslu, 182 SDs, 0 SdLazy, 28 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=285occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 5776 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...