/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/safe037_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 12:12:11,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 12:12:11,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 12:12:11,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-17 12:12:11,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-17 12:12:11,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-17 12:12:11,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-17 12:12:11,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-17 12:12:11,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-17 12:12:11,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-17 12:12:11,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-17 12:12:11,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-17 12:12:11,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 12:12:11,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 12:12:11,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 12:12:11,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 12:12:11,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 12:12:11,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 12:12:11,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 12:12:11,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 12:12:11,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 12:12:11,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 12:12:11,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 12:12:11,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 12:12:11,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 12:12:11,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 12:12:11,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 12:12:11,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 12:12:11,799 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 12:12:11,818 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 12:12:11,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 12:12:11,819 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 12:12:11,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 12:12:11,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 12:12:11,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 12:12:11,822 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 12:12:11,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 12:12:11,823 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 12:12:11,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 12:12:11,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 12:12:11,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 12:12:11,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 12:12:11,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 12:12:11,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 12:12:11,824 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 12:12:11,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 12:12:11,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 12:12:11,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 12:12:11,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 12:12:11,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 12:12:11,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 12:12:11,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 12:12:11,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 12:12:11,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 12:12:11,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 12:12:11,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 12:12:11,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 12:12:11,826 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 12:12:11,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 12:12:11,826 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 12:12:11,826 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 12:12:11,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 12:12:11,826 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 12:12:11,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 12:12:11,827 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 12:12:12,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 12:12:12,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 12:12:12,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 12:12:12,217 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-17 12:12:12,218 INFO L275 PluginConnector]: CDTParser initialized [2021-06-17 12:12:12,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037_tso.oepc.i [2021-06-17 12:12:12,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d96a3ca8b/0d83428f6f9549bbba7c8bc8f3247348/FLAG3b56429ed [2021-06-17 12:12:12,784 INFO L306 CDTParser]: Found 1 translation units. [2021-06-17 12:12:12,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037_tso.oepc.i [2021-06-17 12:12:12,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d96a3ca8b/0d83428f6f9549bbba7c8bc8f3247348/FLAG3b56429ed [2021-06-17 12:12:13,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d96a3ca8b/0d83428f6f9549bbba7c8bc8f3247348 [2021-06-17 12:12:13,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 12:12:13,089 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-17 12:12:13,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-17 12:12:13,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-17 12:12:13,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-17 12:12:13,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 12:12:13" (1/1) ... [2021-06-17 12:12:13,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb5f797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:13, skipping insertion in model container [2021-06-17 12:12:13,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 12:12:13" (1/1) ... [2021-06-17 12:12:13,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-17 12:12:13,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-17 12:12:13,324 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/safe037_tso.oepc.i[950,963] [2021-06-17 12:12:13,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 12:12:13,520 INFO L203 MainTranslator]: Completed pre-run [2021-06-17 12:12:13,530 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/safe037_tso.oepc.i[950,963] [2021-06-17 12:12:13,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 12:12:13,646 INFO L208 MainTranslator]: Completed translation [2021-06-17 12:12:13,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:13 WrapperNode [2021-06-17 12:12:13,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-17 12:12:13,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 12:12:13,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 12:12:13,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 12:12:13,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:13" (1/1) ... [2021-06-17 12:12:13,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:13" (1/1) ... [2021-06-17 12:12:13,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 12:12:13,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 12:12:13,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 12:12:13,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 12:12:13,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:13" (1/1) ... [2021-06-17 12:12:13,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:13" (1/1) ... [2021-06-17 12:12:13,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:13" (1/1) ... [2021-06-17 12:12:13,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:13" (1/1) ... [2021-06-17 12:12:13,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:13" (1/1) ... [2021-06-17 12:12:13,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:13" (1/1) ... [2021-06-17 12:12:13,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:13" (1/1) ... [2021-06-17 12:12:13,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 12:12:13,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 12:12:13,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 12:12:13,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 12:12:13,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:13" (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 12:12:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-17 12:12:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-17 12:12:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-17 12:12:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-17 12:12:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-17 12:12:13,840 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-17 12:12:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-17 12:12:13,841 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-17 12:12:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-17 12:12:13,841 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-17 12:12:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-17 12:12:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-17 12:12:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 12:12:13,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 12:12:13,843 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 12:12:14,196 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 12:12:14,196 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-17 12:12:14,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:12:14 BoogieIcfgContainer [2021-06-17 12:12:14,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 12:12:14,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 12:12:14,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 12:12:14,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 12:12:14,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.06 12:12:13" (1/3) ... [2021-06-17 12:12:14,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6081d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 12:12:14, skipping insertion in model container [2021-06-17 12:12:14,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:12:13" (2/3) ... [2021-06-17 12:12:14,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6081d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 12:12:14, skipping insertion in model container [2021-06-17 12:12:14,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:12:14" (3/3) ... [2021-06-17 12:12:14,207 INFO L111 eAbstractionObserver]: Analyzing ICFG safe037_tso.oepc.i [2021-06-17 12:12:14,212 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 12:12:14,212 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 12:12:14,213 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 12:12:14,213 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 12:12:14,247 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,248 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,248 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,249 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,249 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,250 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,251 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,253 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,253 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,258 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,258 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,259 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,259 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,260 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,260 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,264 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,264 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,270 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,270 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,270 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,270 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,274 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,275 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,275 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,275 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:12:14,278 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-17 12:12:14,297 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 12:12:14,370 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 12:12:14,370 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 12:12:14,370 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 12:12:14,371 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 12:12:14,371 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 12:12:14,371 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 12:12:14,371 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 12:12:14,372 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 12:12:14,614 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 12:12:14,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:12:14,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1863636272, now seen corresponding path program 1 times [2021-06-17 12:12:14,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:12:14,624 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082357339] [2021-06-17 12:12:14,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:12:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:12:15,059 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 12:12:15,060 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:12:15,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082357339] [2021-06-17 12:12:15,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082357339] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:12:15,063 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:12:15,063 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 12:12:15,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140710807] [2021-06-17 12:12:15,068 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 12:12:15,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:12:15,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 12:12:15,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 12:12:15,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:12:15,085 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:12:15,088 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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 12:12:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:12:15,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:12:15,330 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 12:12:15,330 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 12:12:15,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:12:15,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1112634889, now seen corresponding path program 1 times [2021-06-17 12:12:15,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:12:15,331 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033084452] [2021-06-17 12:12:15,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:12:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:12:15,544 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 12:12:15,546 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:12:15,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033084452] [2021-06-17 12:12:15,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033084452] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:12:15,548 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:12:15,548 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-17 12:12:15,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205190881] [2021-06-17 12:12:15,550 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 12:12:15,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:12:15,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 12:12:15,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-17 12:12:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:12:15,557 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:12:15,557 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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 12:12:15,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:12:15,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:12:16,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:12:16,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:12:16,644 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 12:12:16,644 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 12:12:16,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:12:16,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1578705482, now seen corresponding path program 2 times [2021-06-17 12:12:16,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:12:16,652 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066893240] [2021-06-17 12:12:16,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:12:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:12:16,804 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 12:12:16,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:12:16,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066893240] [2021-06-17 12:12:16,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066893240] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:12:16,805 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:12:16,805 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 12:12:16,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112203208] [2021-06-17 12:12:16,806 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 12:12:16,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:12:16,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 12:12:16,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 12:12:16,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:12:16,807 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:12:16,807 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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 12:12:16,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:12:16,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:12:16,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:12:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:12:17,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:12:17,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:12:17,788 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-17 12:12:17,788 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 12:12:17,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:12:17,789 INFO L82 PathProgramCache]: Analyzing trace with hash 148511148, now seen corresponding path program 3 times [2021-06-17 12:12:17,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:12:17,790 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32000619] [2021-06-17 12:12:17,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:12:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:12:17,938 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 12:12:17,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:12:17,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32000619] [2021-06-17 12:12:17,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32000619] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:12:17,939 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:12:17,939 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 12:12:17,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737477032] [2021-06-17 12:12:17,940 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 12:12:17,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:12:17,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 12:12:17,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 12:12:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:12:17,945 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:12:17,946 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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 12:12:17,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:12:17,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:12:17,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:12:17,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:12:19,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:12:19,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:12:19,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:12:19,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:12:19,119 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-17 12:12:19,138 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 12:12:19,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 12:12:19 BasicIcfg [2021-06-17 12:12:19,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 12:12:19,142 INFO L168 Benchmark]: Toolchain (without parser) took 6053.22 ms. Allocated memory was 345.0 MB in the beginning and 691.0 MB in the end (delta: 346.0 MB). Free memory was 307.1 MB in the beginning and 584.7 MB in the end (delta: -277.6 MB). Peak memory consumption was 294.8 MB. Max. memory is 8.0 GB. [2021-06-17 12:12:19,142 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 345.0 MB. Free memory is still 325.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 12:12:19,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.90 ms. Allocated memory is still 345.0 MB. Free memory was 306.8 MB in the beginning and 305.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. [2021-06-17 12:12:19,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.21 ms. Allocated memory is still 345.0 MB. Free memory was 305.4 MB in the beginning and 303.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 12:12:19,143 INFO L168 Benchmark]: Boogie Preprocessor took 36.47 ms. Allocated memory is still 345.0 MB. Free memory was 303.9 MB in the beginning and 302.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 12:12:19,143 INFO L168 Benchmark]: RCFGBuilder took 449.11 ms. Allocated memory is still 345.0 MB. Free memory was 302.3 MB in the beginning and 277.7 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-06-17 12:12:19,144 INFO L168 Benchmark]: TraceAbstraction took 4941.89 ms. Allocated memory was 345.0 MB in the beginning and 691.0 MB in the end (delta: 346.0 MB). Free memory was 277.1 MB in the beginning and 584.7 MB in the end (delta: -307.5 MB). Peak memory consumption was 264.9 MB. Max. memory is 8.0 GB. [2021-06-17 12:12:19,146 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 345.0 MB. Free memory is still 325.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 554.90 ms. Allocated memory is still 345.0 MB. Free memory was 306.8 MB in the beginning and 305.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 63.21 ms. Allocated memory is still 345.0 MB. Free memory was 305.4 MB in the beginning and 303.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.47 ms. Allocated memory is still 345.0 MB. Free memory was 303.9 MB in the beginning and 302.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 449.11 ms. Allocated memory is still 345.0 MB. Free memory was 302.3 MB in the beginning and 277.7 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4941.89 ms. Allocated memory was 345.0 MB in the beginning and 691.0 MB in the end (delta: 346.0 MB). Free memory was 277.1 MB in the beginning and 584.7 MB in the end (delta: -307.5 MB). Peak memory consumption was 264.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 49634, positive: 47656, positive conditional: 43710, positive unconditional: 3946, negative: 1978, negative conditional: 1934, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 47990, positive: 47656, positive conditional: 43710, positive unconditional: 3946, negative: 334, negative conditional: 290, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 47990, positive: 47356, positive conditional: 0, positive unconditional: 47356, negative: 634, negative conditional: 0, negative unconditional: 634, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1227, positive: 1210, positive conditional: 0, positive unconditional: 1210, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1227, positive: 1204, positive conditional: 0, positive unconditional: 1204, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 4, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 66, positive conditional: 41, positive unconditional: 25, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 47990, positive: 46146, positive conditional: 0, positive unconditional: 46146, negative: 617, negative conditional: 0, negative unconditional: 617, unknown: 1227, unknown conditional: 0, unknown unconditional: 1227] , Statistics on independence cache: Total cache size (in pairs): 1241, Positive cache size: 1220, Positive conditional cache size: 10, Positive unconditional cache size: 1210, Negative cache size: 21, Negative conditional cache size: 4, Negative unconditional cache size: 17, SemanticConditionEliminator.Independence Queries: [ total: 1618, positive: 300, positive conditional: 300, positive unconditional: 0, negative: 1318, negative conditional: 74, negative unconditional: 1244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1618, positive: 300, positive conditional: 300, positive unconditional: 0, negative: 1318, negative conditional: 74, negative unconditional: 1244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 4, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 66, positive conditional: 41, positive unconditional: 25, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1618, positive: 290, positive conditional: 290, positive unconditional: 0, negative: 1314, negative conditional: 70, negative unconditional: 1244, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1241, Positive cache size: 1220, Positive conditional cache size: 10, Positive unconditional cache size: 1210, Negative cache size: 21, Negative conditional cache size: 4, Negative unconditional cache size: 17, Eliminated conditions: 1177, SemanticConditionEliminator.Independence Queries: [ total: 1618, positive: 300, positive conditional: 300, positive unconditional: 0, negative: 1318, negative conditional: 74, negative unconditional: 1244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1618, positive: 300, positive conditional: 300, positive unconditional: 0, negative: 1318, negative conditional: 74, negative unconditional: 1244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 4, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 66, positive conditional: 41, positive unconditional: 25, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1618, positive: 290, positive conditional: 290, positive unconditional: 0, negative: 1314, negative conditional: 70, negative unconditional: 1244, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1241, Positive cache size: 1220, Positive conditional cache size: 10, Positive unconditional cache size: 1210, Negative cache size: 21, Negative conditional cache size: 4, Negative unconditional cache size: 17, Eliminated conditions: 1177, SemanticConditionEliminator.Independence Queries: [ total: 1618, positive: 300, positive conditional: 300, positive unconditional: 0, negative: 1318, negative conditional: 74, negative unconditional: 1244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1618, positive: 300, positive conditional: 300, positive unconditional: 0, negative: 1318, negative conditional: 74, negative unconditional: 1244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 4, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 66, positive conditional: 41, positive unconditional: 25, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1618, positive: 290, positive conditional: 290, positive unconditional: 0, negative: 1314, negative conditional: 70, negative unconditional: 1244, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1241, Positive cache size: 1220, Positive conditional cache size: 10, Positive unconditional cache size: 1210, Negative cache size: 21, Negative conditional cache size: 4, Negative unconditional cache size: 17, Eliminated conditions: 1177, SemanticConditionEliminator.Independence Queries: [ total: 1618, positive: 300, positive conditional: 300, positive unconditional: 0, negative: 1318, negative conditional: 74, negative unconditional: 1244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1618, positive: 300, positive conditional: 300, positive unconditional: 0, negative: 1318, negative conditional: 74, negative unconditional: 1244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 4, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 66, positive conditional: 41, positive unconditional: 25, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1618, positive: 290, positive conditional: 290, positive unconditional: 0, negative: 1314, negative conditional: 70, negative unconditional: 1244, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1241, Positive cache size: 1220, Positive conditional cache size: 10, Positive unconditional cache size: 1210, Negative cache size: 21, Negative conditional cache size: 4, Negative unconditional cache size: 17, Eliminated conditions: 1177 ], Maximal queried relation: 4, Independence queries for same thread: 1644 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1641, Number of persistent set computation: 25300, Number of trivial persistent sets: 20825, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 49634, positive: 47656, positive conditional: 43710, positive unconditional: 3946, negative: 1978, negative conditional: 1934, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 47990, positive: 47656, positive conditional: 43710, positive unconditional: 3946, negative: 334, negative conditional: 290, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 47990, positive: 47356, positive conditional: 0, positive unconditional: 47356, negative: 634, negative conditional: 0, negative unconditional: 634, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1227, positive: 1210, positive conditional: 0, positive unconditional: 1210, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1227, positive: 1204, positive conditional: 0, positive unconditional: 1204, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 4, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 66, positive conditional: 41, positive unconditional: 25, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 47990, positive: 46146, positive conditional: 0, positive unconditional: 46146, negative: 617, negative conditional: 0, negative unconditional: 617, unknown: 1227, unknown conditional: 0, unknown unconditional: 1227] , Statistics on independence cache: Total cache size (in pairs): 1241, Positive cache size: 1220, Positive conditional cache size: 10, Positive unconditional cache size: 1210, Negative cache size: 21, Negative conditional cache size: 4, Negative unconditional cache size: 17, SemanticConditionEliminator.Independence Queries: [ total: 1618, positive: 300, positive conditional: 300, positive unconditional: 0, negative: 1318, negative conditional: 74, negative unconditional: 1244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1618, positive: 300, positive conditional: 300, positive unconditional: 0, negative: 1318, negative conditional: 74, negative unconditional: 1244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 4, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 66, positive conditional: 41, positive unconditional: 25, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1618, positive: 290, positive conditional: 290, positive unconditional: 0, negative: 1314, negative conditional: 70, negative unconditional: 1244, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1241, Positive cache size: 1220, Positive conditional cache size: 10, Positive unconditional cache size: 1210, Negative cache size: 21, Negative conditional cache size: 4, Negative unconditional cache size: 17, Eliminated conditions: 1177, SemanticConditionEliminator.Independence Queries: [ total: 1618, positive: 300, positive conditional: 300, positive unconditional: 0, negative: 1318, negative conditional: 74, negative unconditional: 1244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1618, positive: 300, positive conditional: 300, positive unconditional: 0, negative: 1318, negative conditional: 74, negative unconditional: 1244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 4, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 66, positive conditional: 41, positive unconditional: 25, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1618, positive: 290, positive conditional: 290, positive unconditional: 0, negative: 1314, negative conditional: 70, negative unconditional: 1244, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1241, Positive cache size: 1220, Positive conditional cache size: 10, Positive unconditional cache size: 1210, Negative cache size: 21, Negative conditional cache size: 4, Negative unconditional cache size: 17, Eliminated conditions: 1177, SemanticConditionEliminator.Independence Queries: [ total: 1618, positive: 300, positive conditional: 300, positive unconditional: 0, negative: 1318, negative conditional: 74, negative unconditional: 1244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1618, positive: 300, positive conditional: 300, positive unconditional: 0, negative: 1318, negative conditional: 74, negative unconditional: 1244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 4, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 66, positive conditional: 41, positive unconditional: 25, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1618, positive: 290, positive conditional: 290, positive unconditional: 0, negative: 1314, negative conditional: 70, negative unconditional: 1244, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1241, Positive cache size: 1220, Positive conditional cache size: 10, Positive unconditional cache size: 1210, Negative cache size: 21, Negative conditional cache size: 4, Negative unconditional cache size: 17, Eliminated conditions: 1177, SemanticConditionEliminator.Independence Queries: [ total: 1618, positive: 300, positive conditional: 300, positive unconditional: 0, negative: 1318, negative conditional: 74, negative unconditional: 1244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1618, positive: 300, positive conditional: 300, positive unconditional: 0, negative: 1318, negative conditional: 74, negative unconditional: 1244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 4, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 66, positive conditional: 41, positive unconditional: 25, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1618, positive: 290, positive conditional: 290, positive unconditional: 0, negative: 1314, negative conditional: 70, negative unconditional: 1244, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1241, Positive cache size: 1220, Positive conditional cache size: 10, Positive unconditional cache size: 1210, Negative cache size: 21, Negative conditional cache size: 4, Negative unconditional cache size: 17, Eliminated conditions: 1177 ], Maximal queried relation: 4, Independence queries for same thread: 1644 - 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 7 procedures, 108 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4817.3ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.8ms, PartialOrderReductionTime: 3709.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 36, 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: 25.7ms SsaConstructionTime, 171.5ms SatisfiabilityAnalysisTime, 665.2ms InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 267 ConstructedInterpolants, 0 QuantifiedInterpolants, 712 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...