/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-NewStatesSleep-NoLbe-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe015_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 19:29:10,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 19:29:10,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 19:29:10,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 19:29:10,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 19:29:10,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 19:29:10,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 19:29:10,515 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-NewStatesSleep-NoLbe-Symm.epf [2021-06-16 19:29:10,545 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 19:29:10,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 19:29:10,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 19:29:10,546 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 19:29:10,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 19:29:10,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 19:29:10,547 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 19:29:10,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 19:29:10,547 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 19:29:10,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 19:29:10,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 19:29:10,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 19:29:10,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 19:29:10,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 19:29:10,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 19:29:10,548 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 19:29:10,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 19:29:10,548 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 19:29:10,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 19:29:10,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 19:29:10,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 19:29:10,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 19:29:10,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 19:29:10,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 19:29:10,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 19:29:10,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 19:29:10,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 19:29:10,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 19:29:10,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 19:29:10,550 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 19:29:10,550 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 19:29:10,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 19:29:10,551 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 19:29:10,551 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 19:29:10,551 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 19:29:10,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 19:29:10,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 19:29:10,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 19:29:10,785 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 19:29:10,785 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 19:29:10,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe015_pso.opt.i [2021-06-16 19:29:10,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a1afb481/3663cdba49c4499bb44435c4dabf2bb3/FLAG8ed64fcc6 [2021-06-16 19:29:11,300 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 19:29:11,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_pso.opt.i [2021-06-16 19:29:11,323 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a1afb481/3663cdba49c4499bb44435c4dabf2bb3/FLAG8ed64fcc6 [2021-06-16 19:29:11,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a1afb481/3663cdba49c4499bb44435c4dabf2bb3 [2021-06-16 19:29:11,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 19:29:11,594 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 19:29:11,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 19:29:11,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 19:29:11,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 19:29:11,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 07:29:11" (1/1) ... [2021-06-16 19:29:11,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37df75ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:11, skipping insertion in model container [2021-06-16 19:29:11,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 07:29:11" (1/1) ... [2021-06-16 19:29:11,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 19:29:11,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 19:29:11,811 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/safe015_pso.opt.i[949,962] [2021-06-16 19:29:11,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 19:29:11,958 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 19:29:11,968 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/safe015_pso.opt.i[949,962] [2021-06-16 19:29:11,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 19:29:12,050 INFO L208 MainTranslator]: Completed translation [2021-06-16 19:29:12,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:12 WrapperNode [2021-06-16 19:29:12,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 19:29:12,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 19:29:12,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 19:29:12,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 19:29:12,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:12" (1/1) ... [2021-06-16 19:29:12,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:12" (1/1) ... [2021-06-16 19:29:12,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 19:29:12,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 19:29:12,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 19:29:12,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 19:29:12,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:12" (1/1) ... [2021-06-16 19:29:12,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:12" (1/1) ... [2021-06-16 19:29:12,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:12" (1/1) ... [2021-06-16 19:29:12,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:12" (1/1) ... [2021-06-16 19:29:12,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:12" (1/1) ... [2021-06-16 19:29:12,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:12" (1/1) ... [2021-06-16 19:29:12,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:12" (1/1) ... [2021-06-16 19:29:12,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 19:29:12,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 19:29:12,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 19:29:12,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 19:29:12,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:12" (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 [2021-06-16 19:29:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 19:29:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-16 19:29:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 19:29:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 19:29:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-16 19:29:12,185 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-16 19:29:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-16 19:29:12,186 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-16 19:29:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-16 19:29:12,186 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-16 19:29:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 19:29:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-16 19:29:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 19:29:12,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 19:29:12,187 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 19:29:12,459 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 19:29:12,459 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-16 19:29:12,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 07:29:12 BoogieIcfgContainer [2021-06-16 19:29:12,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 19:29:12,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 19:29:12,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 19:29:12,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 19:29:12,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 07:29:11" (1/3) ... [2021-06-16 19:29:12,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377d6289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 07:29:12, skipping insertion in model container [2021-06-16 19:29:12,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:12" (2/3) ... [2021-06-16 19:29:12,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377d6289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 07:29:12, skipping insertion in model container [2021-06-16 19:29:12,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 07:29:12" (3/3) ... [2021-06-16 19:29:12,465 INFO L111 eAbstractionObserver]: Analyzing ICFG safe015_pso.opt.i [2021-06-16 19:29:12,469 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 19:29:12,470 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 19:29:12,470 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 19:29:12,470 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 19:29:12,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,488 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,488 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,489 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,489 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,490 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,490 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,490 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,490 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,491 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,491 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,492 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,492 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,494 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,494 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,497 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,498 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,498 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,499 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,499 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:12,500 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 19:29:12,514 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 [2021-06-16 19:29:12,550 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 19:29:12,550 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 19:29:12,550 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 19:29:12,550 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 19:29:12,550 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 19:29:12,550 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 19:29:12,550 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 19:29:12,551 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 19:29:12,592 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:29:12,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:29:12,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1006197950, now seen corresponding path program 1 times [2021-06-16 19:29:12,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:29:12,607 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378708195] [2021-06-16 19:29:12,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:29:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:29:12,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:29:12,749 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:29:12,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378708195] [2021-06-16 19:29:12,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378708195] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:29:12,751 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:29:12,751 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 19:29:12,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386690026] [2021-06-16 19:29:12,755 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-16 19:29:12,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:29:12,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-16 19:29:12,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-16 19:29:12,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:12,769 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:29:12,770 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2021-06-16 19:29:12,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:12,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:12,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 19:29:12,781 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:29:12,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:29:12,782 INFO L82 PathProgramCache]: Analyzing trace with hash 664786297, now seen corresponding path program 1 times [2021-06-16 19:29:12,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:29:12,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915522354] [2021-06-16 19:29:12,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:29:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:29:13,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:29:13,004 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:29:13,004 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915522354] [2021-06-16 19:29:13,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915522354] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:29:13,005 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:29:13,005 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 19:29:13,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677149806] [2021-06-16 19:29:13,006 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 19:29:13,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:29:13,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 19:29:13,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-16 19:29:13,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:13,006 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:29:13,007 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2021-06-16 19:29:13,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:13,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:13,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:13,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:29:13,175 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 19:29:13,175 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:29:13,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:29:13,176 INFO L82 PathProgramCache]: Analyzing trace with hash -40194374, now seen corresponding path program 1 times [2021-06-16 19:29:13,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:29:13,176 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174112159] [2021-06-16 19:29:13,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:29:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:29:13,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:29:13,269 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:29:13,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174112159] [2021-06-16 19:29:13,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174112159] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:29:13,269 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:29:13,269 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 19:29:13,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542255031] [2021-06-16 19:29:13,270 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 19:29:13,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:29:13,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 19:29:13,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-16 19:29:13,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:13,271 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:29:13,271 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 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) [2021-06-16 19:29:13,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:13,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:29:13,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:13,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:13,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:29:13,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 19:29:13,397 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 19:29:13,398 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:29:13,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:29:13,398 INFO L82 PathProgramCache]: Analyzing trace with hash 653096247, now seen corresponding path program 1 times [2021-06-16 19:29:13,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:29:13,398 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852872646] [2021-06-16 19:29:13,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:29:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:29:13,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:29:13,473 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:29:13,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852872646] [2021-06-16 19:29:13,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852872646] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:29:13,473 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:29:13,473 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 19:29:13,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554191222] [2021-06-16 19:29:13,474 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 19:29:13,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:29:13,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 19:29:13,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-16 19:29:13,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:13,474 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:29:13,475 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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) [2021-06-16 19:29:13,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:13,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:29:13,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 19:29:13,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:14,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:14,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:29:14,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 19:29:14,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 19:29:14,084 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 19:29:14,085 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:29:14,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:29:14,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1218080327, now seen corresponding path program 2 times [2021-06-16 19:29:14,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:29:14,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925528928] [2021-06-16 19:29:14,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:29:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:29:14,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:29:14,229 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:29:14,229 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925528928] [2021-06-16 19:29:14,229 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925528928] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:29:14,229 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:29:14,229 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 19:29:14,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798863179] [2021-06-16 19:29:14,230 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 19:29:14,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:29:14,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 19:29:14,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-16 19:29:14,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:14,230 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:29:14,231 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2021-06-16 19:29:14,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:14,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:29:14,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 19:29:14,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 19:29:14,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:14,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:14,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:29:14,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 19:29:14,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 19:29:14,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 19:29:14,687 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-16 19:29:14,687 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:29:14,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:29:14,688 INFO L82 PathProgramCache]: Analyzing trace with hash -609135055, now seen corresponding path program 3 times [2021-06-16 19:29:14,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:29:14,688 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501340398] [2021-06-16 19:29:14,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:29:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:29:14,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:29:14,772 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:29:14,772 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501340398] [2021-06-16 19:29:14,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501340398] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:29:14,772 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:29:14,772 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 19:29:14,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968995258] [2021-06-16 19:29:14,773 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 19:29:14,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:29:14,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 19:29:14,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-16 19:29:14,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:14,774 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:29:14,775 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2021-06-16 19:29:14,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:29:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 19:29:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 19:29:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 19:29:14,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:15,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:15,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:29:15,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 19:29:15,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 19:29:15,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 19:29:15,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 19:29:15,408 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-16 19:29:15,413 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 19:29:15,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 07:29:15 BasicIcfg [2021-06-16 19:29:15,415 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 19:29:15,415 INFO L168 Benchmark]: Toolchain (without parser) took 3821.28 ms. Allocated memory was 158.3 MB in the beginning and 266.3 MB in the end (delta: 108.0 MB). Free memory was 121.2 MB in the beginning and 65.9 MB in the end (delta: 55.3 MB). Peak memory consumption was 163.1 MB. Max. memory is 8.0 GB. [2021-06-16 19:29:15,415 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 158.3 MB. Free memory is still 139.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 19:29:15,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.98 ms. Allocated memory is still 158.3 MB. Free memory was 121.0 MB in the beginning and 119.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-16 19:29:15,416 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.51 ms. Allocated memory is still 158.3 MB. Free memory was 119.4 MB in the beginning and 117.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 19:29:15,416 INFO L168 Benchmark]: Boogie Preprocessor took 26.75 ms. Allocated memory is still 158.3 MB. Free memory was 117.9 MB in the beginning and 116.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 19:29:15,416 INFO L168 Benchmark]: RCFGBuilder took 334.30 ms. Allocated memory is still 158.3 MB. Free memory was 116.3 MB in the beginning and 92.7 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-06-16 19:29:15,417 INFO L168 Benchmark]: TraceAbstraction took 2953.11 ms. Allocated memory was 158.3 MB in the beginning and 266.3 MB in the end (delta: 108.0 MB). Free memory was 92.7 MB in the beginning and 65.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 135.8 MB. Max. memory is 8.0 GB. [2021-06-16 19:29:15,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 158.3 MB. Free memory is still 139.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 454.98 ms. Allocated memory is still 158.3 MB. Free memory was 121.0 MB in the beginning and 119.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 47.51 ms. Allocated memory is still 158.3 MB. Free memory was 119.4 MB in the beginning and 117.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.75 ms. Allocated memory is still 158.3 MB. Free memory was 117.9 MB in the beginning and 116.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 334.30 ms. Allocated memory is still 158.3 MB. Free memory was 116.3 MB in the beginning and 92.7 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2953.11 ms. Allocated memory was 158.3 MB in the beginning and 266.3 MB in the end (delta: 108.0 MB). Free memory was 92.7 MB in the beginning and 65.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 135.8 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: 67780, positive: 66452, positive conditional: 66452, positive unconditional: 0, negative: 1328, negative conditional: 1328, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 67350, positive: 66452, positive conditional: 66452, positive unconditional: 0, negative: 898, negative conditional: 898, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 67350, positive: 65997, positive conditional: 0, positive unconditional: 65997, negative: 1353, negative conditional: 0, negative unconditional: 1353, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 545, positive: 535, positive conditional: 0, positive unconditional: 535, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 545, positive: 532, positive conditional: 0, positive unconditional: 532, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 21, negative conditional: 11, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 63, positive conditional: 52, positive unconditional: 10, negative: 51, negative conditional: 11, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67350, positive: 65462, positive conditional: 0, positive unconditional: 65462, negative: 1343, negative conditional: 0, negative unconditional: 1343, unknown: 545, unknown conditional: 0, unknown unconditional: 545] , Statistics on independence cache: Total cache size (in pairs): 562, Positive cache size: 541, Positive conditional cache size: 6, Positive unconditional cache size: 535, Negative cache size: 21, Negative conditional cache size: 11, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 6044, positive: 455, positive conditional: 455, positive unconditional: 0, negative: 5589, negative conditional: 911, negative unconditional: 4678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6044, positive: 455, positive conditional: 455, positive unconditional: 0, negative: 5589, negative conditional: 911, negative unconditional: 4678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 21, negative conditional: 11, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 63, positive conditional: 52, positive unconditional: 10, negative: 51, negative conditional: 11, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6044, positive: 449, positive conditional: 449, positive unconditional: 0, negative: 5578, negative conditional: 900, negative unconditional: 4678, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 562, Positive cache size: 541, Positive conditional cache size: 6, Positive unconditional cache size: 535, Negative cache size: 21, Negative conditional cache size: 11, Negative unconditional cache size: 10, Eliminated conditions: 4678, SemanticConditionEliminator.Independence Queries: [ total: 6044, positive: 455, positive conditional: 455, positive unconditional: 0, negative: 5589, negative conditional: 911, negative unconditional: 4678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6044, positive: 455, positive conditional: 455, positive unconditional: 0, negative: 5589, negative conditional: 911, negative unconditional: 4678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 21, negative conditional: 11, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 63, positive conditional: 52, positive unconditional: 10, negative: 51, negative conditional: 11, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6044, positive: 449, positive conditional: 449, positive unconditional: 0, negative: 5578, negative conditional: 900, negative unconditional: 4678, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 562, Positive cache size: 541, Positive conditional cache size: 6, Positive unconditional cache size: 535, Negative cache size: 21, Negative conditional cache size: 11, Negative unconditional cache size: 10, Eliminated conditions: 4678, SemanticConditionEliminator.Independence Queries: [ total: 6044, positive: 455, positive conditional: 455, positive unconditional: 0, negative: 5589, negative conditional: 911, negative unconditional: 4678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6044, positive: 455, positive conditional: 455, positive unconditional: 0, negative: 5589, negative conditional: 911, negative unconditional: 4678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 21, negative conditional: 11, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 63, positive conditional: 52, positive unconditional: 10, negative: 51, negative conditional: 11, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6044, positive: 449, positive conditional: 449, positive unconditional: 0, negative: 5578, negative conditional: 900, negative unconditional: 4678, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 562, Positive cache size: 541, Positive conditional cache size: 6, Positive unconditional cache size: 535, Negative cache size: 21, Negative conditional cache size: 11, Negative unconditional cache size: 10, Eliminated conditions: 4678, SemanticConditionEliminator.Independence Queries: [ total: 6044, positive: 455, positive conditional: 455, positive unconditional: 0, negative: 5589, negative conditional: 911, negative unconditional: 4678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6044, positive: 455, positive conditional: 455, positive unconditional: 0, negative: 5589, negative conditional: 911, negative unconditional: 4678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 21, negative conditional: 11, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 63, positive conditional: 52, positive unconditional: 10, negative: 51, negative conditional: 11, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6044, positive: 449, positive conditional: 449, positive unconditional: 0, negative: 5578, negative conditional: 900, negative unconditional: 4678, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 562, Positive cache size: 541, Positive conditional cache size: 6, Positive unconditional cache size: 535, Negative cache size: 21, Negative conditional cache size: 11, Negative unconditional cache size: 10, Eliminated conditions: 4678, SemanticConditionEliminator.Independence Queries: [ total: 6044, positive: 455, positive conditional: 455, positive unconditional: 0, negative: 5589, negative conditional: 911, negative unconditional: 4678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6044, positive: 455, positive conditional: 455, positive unconditional: 0, negative: 5589, negative conditional: 911, negative unconditional: 4678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 21, negative conditional: 11, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 63, positive conditional: 52, positive unconditional: 10, negative: 51, negative conditional: 11, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6044, positive: 449, positive conditional: 449, positive unconditional: 0, negative: 5578, negative conditional: 900, negative unconditional: 4678, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 562, Positive cache size: 541, Positive conditional cache size: 6, Positive unconditional cache size: 535, Negative cache size: 21, Negative conditional cache size: 11, Negative unconditional cache size: 10, Eliminated conditions: 4678, SemanticConditionEliminator.Independence Queries: [ total: 6044, positive: 455, positive conditional: 455, positive unconditional: 0, negative: 5589, negative conditional: 911, negative unconditional: 4678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6044, positive: 455, positive conditional: 455, positive unconditional: 0, negative: 5589, negative conditional: 911, negative unconditional: 4678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 21, negative conditional: 11, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 63, positive conditional: 52, positive unconditional: 10, negative: 51, negative conditional: 11, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6044, positive: 449, positive conditional: 449, positive unconditional: 0, negative: 5578, negative conditional: 900, negative unconditional: 4678, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 562, Positive cache size: 541, Positive conditional cache size: 6, Positive unconditional cache size: 535, Negative cache size: 21, Negative conditional cache size: 11, Negative unconditional cache size: 10, Eliminated conditions: 4678 ], Maximal queried relation: 6, Independence queries for same thread: 430 - 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, 106 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2887.8ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.1ms, PartialOrderReductionTime: 2029.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 56, 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: 18.4ms SsaConstructionTime, 112.8ms SatisfiabilityAnalysisTime, 558.8ms InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 1229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...