/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe036_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 12:12:01,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 12:12:01,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 12:12:01,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-17 12:12:01,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-17 12:12:01,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-17 12:12:01,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-17 12:12:01,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-17 12:12:01,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-17 12:12:01,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-17 12:12:01,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-17 12:12:01,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-17 12:12:01,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 12:12:01,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 12:12:01,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 12:12:01,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 12:12:01,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 12:12:01,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 12:12:01,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 12:12:01,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 12:12:01,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 12:12:01,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 12:12:01,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 12:12:01,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 12:12:01,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 12:12:01,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-17 12:12:01,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-17 12:12:01,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-17 12:12:01,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-17 12:12:01,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-17 12:12:01,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-17 12:12:01,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-17 12:12:01,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-17 12:12:01,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 12:12:01,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 12:12:01,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 12:12:01,140 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-06-17 12:12:01,168 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 12:12:01,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 12:12:01,168 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 12:12:01,168 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 12:12:01,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 12:12:01,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 12:12:01,170 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 12:12:01,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 12:12:01,170 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 12:12:01,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 12:12:01,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 12:12:01,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 12:12:01,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 12:12:01,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 12:12:01,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 12:12:01,172 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 12:12:01,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 12:12:01,172 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 12:12:01,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 12:12:01,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 12:12:01,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 12:12:01,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 12:12:01,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 12:12:01,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 12:12:01,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 12:12:01,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 12:12:01,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 12:12:01,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 12:12:01,174 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 12:12:01,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 12:12:01,174 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 12:12:01,174 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 12:12:01,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 12:12:01,175 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 12:12:01,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 12:12:01,175 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 12:12:01,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 12:12:01,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 12:12:01,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 12:12:01,500 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-17 12:12:01,501 INFO L275 PluginConnector]: CDTParser initialized [2021-06-17 12:12:01,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_power.oepc.i [2021-06-17 12:12:01,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b5664012/cf48bd1a5c1b42c798dbaabc8bbed045/FLAG017e99d4c [2021-06-17 12:12:02,078 INFO L306 CDTParser]: Found 1 translation units. [2021-06-17 12:12:02,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_power.oepc.i [2021-06-17 12:12:02,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b5664012/cf48bd1a5c1b42c798dbaabc8bbed045/FLAG017e99d4c [2021-06-17 12:12:02,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b5664012/cf48bd1a5c1b42c798dbaabc8bbed045 [2021-06-17 12:12:02,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 12:12:02,420 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-17 12:12:02,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-17 12:12:02,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-17 12:12:02,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-17 12:12:02,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 12:12:02" (1/1) ... [2021-06-17 12:12:02,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@445e6b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:02, skipping insertion in model container [2021-06-17 12:12:02,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 12:12:02" (1/1) ... [2021-06-17 12:12:02,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-17 12:12:02,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-17 12:12:02,693 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_power.oepc.i[952,965] [2021-06-17 12:12:02,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 12:12:02,861 INFO L203 MainTranslator]: Completed pre-run [2021-06-17 12:12:02,872 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_power.oepc.i[952,965] [2021-06-17 12:12:02,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 12:12:02,977 INFO L208 MainTranslator]: Completed translation [2021-06-17 12:12:02,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:02 WrapperNode [2021-06-17 12:12:02,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-17 12:12:02,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 12:12:02,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 12:12:02,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 12:12:02,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:02" (1/1) ... [2021-06-17 12:12:03,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:02" (1/1) ... [2021-06-17 12:12:03,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 12:12:03,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 12:12:03,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 12:12:03,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 12:12:03,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:02" (1/1) ... [2021-06-17 12:12:03,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:02" (1/1) ... [2021-06-17 12:12:03,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:02" (1/1) ... [2021-06-17 12:12:03,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:02" (1/1) ... [2021-06-17 12:12:03,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:02" (1/1) ... [2021-06-17 12:12:03,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:02" (1/1) ... [2021-06-17 12:12:03,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:02" (1/1) ... [2021-06-17 12:12:03,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 12:12:03,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 12:12:03,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 12:12:03,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 12:12:03,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:02" (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 [2021-06-17 12:12:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-17 12:12:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-17 12:12:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-17 12:12:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-17 12:12:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-17 12:12:03,137 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-17 12:12:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-17 12:12:03,137 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-17 12:12:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-17 12:12:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-17 12:12:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 12:12:03,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 12:12:03,139 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 12:12:03,492 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 12:12:03,493 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-17 12:12:03,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:12:03 BoogieIcfgContainer [2021-06-17 12:12:03,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 12:12:03,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 12:12:03,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 12:12:03,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 12:12:03,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.06 12:12:02" (1/3) ... [2021-06-17 12:12:03,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18210069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 12:12:03, skipping insertion in model container [2021-06-17 12:12:03,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:02" (2/3) ... [2021-06-17 12:12:03,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18210069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 12:12:03, skipping insertion in model container [2021-06-17 12:12:03,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:12:03" (3/3) ... [2021-06-17 12:12:03,501 INFO L111 eAbstractionObserver]: Analyzing ICFG safe036_power.oepc.i [2021-06-17 12:12:03,506 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 12:12:03,506 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 12:12:03,506 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 12:12:03,507 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 12:12:03,528 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,528 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,528 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,528 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,529 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,529 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,529 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,529 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,529 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,529 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,530 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,530 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,530 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,531 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,531 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,531 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,531 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,531 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,532 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,532 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,532 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,532 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,534 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,534 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,539 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,539 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:03,541 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-17 12:12:03,560 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 12:12:03,615 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 12:12:03,616 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 12:12:03,616 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 12:12:03,616 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 12:12:03,616 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 12:12:03,616 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 12:12:03,616 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 12:12:03,616 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 12:12:03,738 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 12:12:03,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:12:03,744 INFO L82 PathProgramCache]: Analyzing trace with hash -527171786, now seen corresponding path program 1 times [2021-06-17 12:12:03,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:12:03,751 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632141272] [2021-06-17 12:12:03,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:12:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:12:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:12:04,143 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:12:04,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632141272] [2021-06-17 12:12:04,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632141272] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:12:04,144 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:12:04,144 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 12:12:04,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64218207] [2021-06-17 12:12:04,149 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 12:12:04,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:12:04,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 12:12:04,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 12:12:04,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:12:04,163 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:12:04,165 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:12:04,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:12:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:12:04,384 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 12:12:04,385 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 12:12:04,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:12:04,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1768570625, now seen corresponding path program 1 times [2021-06-17 12:12:04,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:12:04,386 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526311069] [2021-06-17 12:12:04,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:12:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:12:04,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:12:04,550 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:12:04,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526311069] [2021-06-17 12:12:04,551 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526311069] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:12:04,551 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:12:04,551 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 12:12:04,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639815269] [2021-06-17 12:12:04,553 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 12:12:04,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:12:04,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 12:12:04,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-17 12:12:04,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:12:04,558 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:12:04,558 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:12:04,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:12:04,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:12:04,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:12:04,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:12:04,977 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 12:12:04,977 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 12:12:04,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:12:04,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1682109854, now seen corresponding path program 2 times [2021-06-17 12:12:04,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:12:04,978 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834460289] [2021-06-17 12:12:04,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:12:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:12:05,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:12:05,077 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:12:05,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834460289] [2021-06-17 12:12:05,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834460289] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:12:05,077 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:12:05,078 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 12:12:05,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241437067] [2021-06-17 12:12:05,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 12:12:05,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:12:05,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 12:12:05,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 12:12:05,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:12:05,079 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:12:05,080 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:12:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:12:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:12:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:12:05,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:12:05,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:12:05,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:12:05,327 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-17 12:12:05,342 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 12:12:05,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 12:12:05 BasicIcfg [2021-06-17 12:12:05,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 12:12:05,347 INFO L168 Benchmark]: Toolchain (without parser) took 2924.79 ms. Allocated memory was 202.4 MB in the beginning and 247.5 MB in the end (delta: 45.1 MB). Free memory was 165.1 MB in the beginning and 201.0 MB in the end (delta: -35.9 MB). Peak memory consumption was 10.4 MB. Max. memory is 8.0 GB. [2021-06-17 12:12:05,351 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 202.4 MB. Free memory is still 183.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 12:12:05,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.98 ms. Allocated memory is still 202.4 MB. Free memory was 164.9 MB in the beginning and 164.5 MB in the end (delta: 436.1 kB). Peak memory consumption was 12.4 MB. Max. memory is 8.0 GB. [2021-06-17 12:12:05,352 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.76 ms. Allocated memory is still 202.4 MB. Free memory was 164.5 MB in the beginning and 162.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 12:12:05,352 INFO L168 Benchmark]: Boogie Preprocessor took 24.01 ms. Allocated memory is still 202.4 MB. Free memory was 162.4 MB in the beginning and 161.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 12:12:05,353 INFO L168 Benchmark]: RCFGBuilder took 435.35 ms. Allocated memory is still 202.4 MB. Free memory was 161.3 MB in the beginning and 139.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-06-17 12:12:05,353 INFO L168 Benchmark]: TraceAbstraction took 1848.47 ms. Allocated memory was 202.4 MB in the beginning and 247.5 MB in the end (delta: 45.1 MB). Free memory was 139.3 MB in the beginning and 201.0 MB in the end (delta: -61.7 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 12:12:05,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 202.4 MB. Free memory is still 183.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 555.98 ms. Allocated memory is still 202.4 MB. Free memory was 164.9 MB in the beginning and 164.5 MB in the end (delta: 436.1 kB). Peak memory consumption was 12.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.76 ms. Allocated memory is still 202.4 MB. Free memory was 164.5 MB in the beginning and 162.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.01 ms. Allocated memory is still 202.4 MB. Free memory was 162.4 MB in the beginning and 161.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 435.35 ms. Allocated memory is still 202.4 MB. Free memory was 161.3 MB in the beginning and 139.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1848.47 ms. Allocated memory was 202.4 MB in the beginning and 247.5 MB in the end (delta: 45.1 MB). Free memory was 139.3 MB in the beginning and 201.0 MB in the end (delta: -61.7 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3836, positive: 3645, positive conditional: 1922, positive unconditional: 1723, negative: 191, negative conditional: 163, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3695, positive: 3645, positive conditional: 1922, positive unconditional: 1723, negative: 50, negative conditional: 22, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3695, positive: 3632, positive conditional: 0, positive unconditional: 3632, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 584, positive: 573, positive conditional: 0, positive unconditional: 573, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 584, positive: 571, positive conditional: 0, positive unconditional: 571, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 14, positive conditional: 5, positive unconditional: 8, negative: 63, negative conditional: 13, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3695, positive: 3059, positive conditional: 0, positive unconditional: 3059, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 584, unknown conditional: 0, unknown unconditional: 584] , Statistics on independence cache: Total cache size (in pairs): 590, Positive cache size: 576, Positive conditional cache size: 3, Positive unconditional cache size: 573, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, SemanticConditionEliminator.Independence Queries: [ total: 128, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 115, negative conditional: 11, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 128, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 115, negative conditional: 11, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 14, positive conditional: 5, positive unconditional: 8, negative: 63, negative conditional: 13, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 128, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 112, negative conditional: 8, negative unconditional: 104, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 590, Positive cache size: 576, Positive conditional cache size: 3, Positive unconditional cache size: 573, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 58, SemanticConditionEliminator.Independence Queries: [ total: 128, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 115, negative conditional: 11, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 128, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 115, negative conditional: 11, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 14, positive conditional: 5, positive unconditional: 8, negative: 63, negative conditional: 13, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 128, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 112, negative conditional: 8, negative unconditional: 104, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 590, Positive cache size: 576, Positive conditional cache size: 3, Positive unconditional cache size: 573, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 58, SemanticConditionEliminator.Independence Queries: [ total: 128, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 115, negative conditional: 11, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 128, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 115, negative conditional: 11, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 14, positive conditional: 5, positive unconditional: 8, negative: 63, negative conditional: 13, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 128, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 112, negative conditional: 8, negative unconditional: 104, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 590, Positive cache size: 576, Positive conditional cache size: 3, Positive unconditional cache size: 573, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 58 ], Maximal queried relation: 3, Independence queries for same thread: 141 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 278, Number of persistent set computation: 2049, Number of trivial persistent sets: 1622, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3836, positive: 3645, positive conditional: 1922, positive unconditional: 1723, negative: 191, negative conditional: 163, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3695, positive: 3645, positive conditional: 1922, positive unconditional: 1723, negative: 50, negative conditional: 22, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3695, positive: 3632, positive conditional: 0, positive unconditional: 3632, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 584, positive: 573, positive conditional: 0, positive unconditional: 573, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 584, positive: 571, positive conditional: 0, positive unconditional: 571, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 14, positive conditional: 5, positive unconditional: 8, negative: 63, negative conditional: 13, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3695, positive: 3059, positive conditional: 0, positive unconditional: 3059, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 584, unknown conditional: 0, unknown unconditional: 584] , Statistics on independence cache: Total cache size (in pairs): 590, Positive cache size: 576, Positive conditional cache size: 3, Positive unconditional cache size: 573, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, SemanticConditionEliminator.Independence Queries: [ total: 128, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 115, negative conditional: 11, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 128, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 115, negative conditional: 11, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 14, positive conditional: 5, positive unconditional: 8, negative: 63, negative conditional: 13, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 128, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 112, negative conditional: 8, negative unconditional: 104, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 590, Positive cache size: 576, Positive conditional cache size: 3, Positive unconditional cache size: 573, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 58, SemanticConditionEliminator.Independence Queries: [ total: 128, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 115, negative conditional: 11, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 128, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 115, negative conditional: 11, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 14, positive conditional: 5, positive unconditional: 8, negative: 63, negative conditional: 13, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 128, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 112, negative conditional: 8, negative unconditional: 104, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 590, Positive cache size: 576, Positive conditional cache size: 3, Positive unconditional cache size: 573, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 58, SemanticConditionEliminator.Independence Queries: [ total: 128, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 115, negative conditional: 11, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 128, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 115, negative conditional: 11, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 14, positive conditional: 5, positive unconditional: 8, negative: 63, negative conditional: 13, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 128, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 112, negative conditional: 8, negative unconditional: 104, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 590, Positive cache size: 576, Positive conditional cache size: 3, Positive unconditional cache size: 573, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 58 ], Maximal queried relation: 3, Independence queries for same thread: 141 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1766.2ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.1ms, PartialOrderReductionTime: 997.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.4ms SsaConstructionTime, 90.4ms SatisfiabilityAnalysisTime, 469.3ms InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 499 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...