/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe028_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 08:39:59,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 08:39:59,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 08:39:59,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 08:39:59,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 08:39:59,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 08:39:59,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 08:39:59,437 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-Lockstep.epf [2021-06-17 08:39:59,458 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 08:39:59,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 08:39:59,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 08:39:59,459 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 08:39:59,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 08:39:59,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 08:39:59,460 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 08:39:59,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 08:39:59,461 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 08:39:59,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 08:39:59,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 08:39:59,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 08:39:59,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 08:39:59,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 08:39:59,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 08:39:59,462 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 08:39:59,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 08:39:59,462 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 08:39:59,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 08:39:59,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 08:39:59,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 08:39:59,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 08:39:59,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 08:39:59,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 08:39:59,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 08:39:59,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 08:39:59,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 08:39:59,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 08:39:59,465 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-17 08:39:59,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 08:39:59,465 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 08:39:59,465 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 08:39:59,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 08:39:59,466 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 08:39:59,466 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 08:39:59,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 08:39:59,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 08:39:59,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 08:39:59,810 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-17 08:39:59,810 INFO L275 PluginConnector]: CDTParser initialized [2021-06-17 08:39:59,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe028_pso.opt.i [2021-06-17 08:39:59,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47ca47056/217e5b81be14457a8420f1338a88549d/FLAG6676366cf [2021-06-17 08:40:00,390 INFO L306 CDTParser]: Found 1 translation units. [2021-06-17 08:40:00,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe028_pso.opt.i [2021-06-17 08:40:00,407 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47ca47056/217e5b81be14457a8420f1338a88549d/FLAG6676366cf [2021-06-17 08:40:00,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47ca47056/217e5b81be14457a8420f1338a88549d [2021-06-17 08:40:00,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 08:40:00,693 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-17 08:40:00,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-17 08:40:00,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-17 08:40:00,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-17 08:40:00,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 08:40:00" (1/1) ... [2021-06-17 08:40:00,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a6f3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:00, skipping insertion in model container [2021-06-17 08:40:00,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 08:40:00" (1/1) ... [2021-06-17 08:40:00,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-17 08:40:00,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-17 08:40:00,919 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/safe028_pso.opt.i[949,962] [2021-06-17 08:40:01,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 08:40:01,040 INFO L203 MainTranslator]: Completed pre-run [2021-06-17 08:40:01,050 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/safe028_pso.opt.i[949,962] [2021-06-17 08:40:01,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 08:40:01,157 INFO L208 MainTranslator]: Completed translation [2021-06-17 08:40:01,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:01 WrapperNode [2021-06-17 08:40:01,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-17 08:40:01,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 08:40:01,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 08:40:01,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 08:40:01,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:01" (1/1) ... [2021-06-17 08:40:01,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:01" (1/1) ... [2021-06-17 08:40:01,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 08:40:01,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 08:40:01,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 08:40:01,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 08:40:01,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:01" (1/1) ... [2021-06-17 08:40:01,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:01" (1/1) ... [2021-06-17 08:40:01,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:01" (1/1) ... [2021-06-17 08:40:01,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:01" (1/1) ... [2021-06-17 08:40:01,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:01" (1/1) ... [2021-06-17 08:40:01,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:01" (1/1) ... [2021-06-17 08:40:01,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:01" (1/1) ... [2021-06-17 08:40:01,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 08:40:01,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 08:40:01,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 08:40:01,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 08:40:01,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:01" (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 08:40:01,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-17 08:40:01,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-17 08:40:01,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-17 08:40:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-17 08:40:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-17 08:40:01,347 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-17 08:40:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-17 08:40:01,347 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-17 08:40:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-17 08:40:01,348 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-17 08:40:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-17 08:40:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-17 08:40:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 08:40:01,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 08:40:01,350 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 08:40:01,870 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 08:40:01,870 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-17 08:40:01,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 08:40:01 BoogieIcfgContainer [2021-06-17 08:40:01,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 08:40:01,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 08:40:01,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 08:40:01,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 08:40:01,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.06 08:40:00" (1/3) ... [2021-06-17 08:40:01,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44aebe28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 08:40:01, skipping insertion in model container [2021-06-17 08:40:01,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:01" (2/3) ... [2021-06-17 08:40:01,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44aebe28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 08:40:01, skipping insertion in model container [2021-06-17 08:40:01,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 08:40:01" (3/3) ... [2021-06-17 08:40:01,880 INFO L111 eAbstractionObserver]: Analyzing ICFG safe028_pso.opt.i [2021-06-17 08:40:01,885 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 08:40:01,885 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 08:40:01,885 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 08:40:01,886 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 08:40:01,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,923 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,923 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,924 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,924 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,928 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,928 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,929 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,930 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,934 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,935 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,935 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,935 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,936 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,936 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,939 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,939 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,945 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,946 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,946 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,946 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,952 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,952 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:01,955 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-17 08:40:01,972 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 08:40:02,020 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 08:40:02,020 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 08:40:02,020 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 08:40:02,020 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 08:40:02,020 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 08:40:02,020 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 08:40:02,021 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 08:40:02,021 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 08:40:02,247 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:40:02,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:40:02,253 INFO L82 PathProgramCache]: Analyzing trace with hash 538168431, now seen corresponding path program 1 times [2021-06-17 08:40:02,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:40:02,260 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648381825] [2021-06-17 08:40:02,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:40:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:40:02,468 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 08:40:02,468 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:40:02,468 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648381825] [2021-06-17 08:40:02,469 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648381825] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:40:02,469 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:40:02,469 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 08:40:02,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482803238] [2021-06-17 08:40:02,473 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-17 08:40:02,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:40:02,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-17 08:40:02,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-17 08:40:02,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:02,486 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:40:02,488 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 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 08:40:02,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:02,509 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 08:40:02,509 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:40:02,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:40:02,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1903765173, now seen corresponding path program 1 times [2021-06-17 08:40:02,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:40:02,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060878763] [2021-06-17 08:40:02,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:40:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:40:02,796 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 08:40:02,797 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:40:02,797 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060878763] [2021-06-17 08:40:02,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060878763] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:40:02,797 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:40:02,797 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 08:40:02,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563164643] [2021-06-17 08:40:02,799 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 08:40:02,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:40:02,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 08:40:02,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 08:40:02,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:02,800 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:40:02,800 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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 08:40:02,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:02,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:02,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:02,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 08:40:02,987 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 08:40:02,987 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:40:02,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:40:02,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1516539167, now seen corresponding path program 2 times [2021-06-17 08:40:02,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:40:02,988 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655293654] [2021-06-17 08:40:02,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:40:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:40:03,138 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 08:40:03,138 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:40:03,138 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655293654] [2021-06-17 08:40:03,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655293654] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:40:03,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:40:03,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-17 08:40:03,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476396590] [2021-06-17 08:40:03,140 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 08:40:03,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:40:03,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 08:40:03,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-17 08:40:03,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:03,141 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:40:03,141 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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 08:40:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 08:40:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:04,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 08:40:04,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:40:04,303 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-17 08:40:04,304 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:40:04,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:40:04,306 INFO L82 PathProgramCache]: Analyzing trace with hash 953364265, now seen corresponding path program 3 times [2021-06-17 08:40:04,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:40:04,306 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227821053] [2021-06-17 08:40:04,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:40:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:40:04,500 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 08:40:04,500 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:40:04,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227821053] [2021-06-17 08:40:04,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227821053] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:40:04,500 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:40:04,501 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 08:40:04,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988186537] [2021-06-17 08:40:04,502 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 08:40:04,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:40:04,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 08:40:04,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 08:40:04,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:04,504 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:40:04,504 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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 08:40:04,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:04,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 08:40:04,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:40:04,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:05,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:05,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 08:40:05,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:40:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 08:40:05,151 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-17 08:40:05,151 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:40:05,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:40:05,152 INFO L82 PathProgramCache]: Analyzing trace with hash 454328613, now seen corresponding path program 4 times [2021-06-17 08:40:05,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:40:05,153 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184352682] [2021-06-17 08:40:05,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:40:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:40:05,294 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 08:40:05,295 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:40:05,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184352682] [2021-06-17 08:40:05,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184352682] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:40:05,295 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:40:05,295 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 08:40:05,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631001852] [2021-06-17 08:40:05,296 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 08:40:05,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:40:05,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 08:40:05,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 08:40:05,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:05,297 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:40:05,297 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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 08:40:05,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:05,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 08:40:05,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:40:05,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 08:40:05,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 08:40:06,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:40:06,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 08:40:06,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 08:40:06,178 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-17 08:40:06,178 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:40:06,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:40:06,179 INFO L82 PathProgramCache]: Analyzing trace with hash -2046735887, now seen corresponding path program 5 times [2021-06-17 08:40:06,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:40:06,179 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606328226] [2021-06-17 08:40:06,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:40:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:40:06,327 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 08:40:06,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:40:06,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606328226] [2021-06-17 08:40:06,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606328226] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:40:06,328 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:40:06,328 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 08:40:06,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695806553] [2021-06-17 08:40:06,329 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 08:40:06,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:40:06,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 08:40:06,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 08:40:06,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:06,331 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:40:06,331 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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 08:40:06,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:06,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 08:40:06,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:40:06,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 08:40:06,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 08:40:06,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:07,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 08:40:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:40:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 08:40:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 08:40:07,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 08:40:07,469 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-17 08:40:07,487 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 08:40:07,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 08:40:07 BasicIcfg [2021-06-17 08:40:07,489 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 08:40:07,490 INFO L168 Benchmark]: Toolchain (without parser) took 6797.34 ms. Allocated memory was 176.2 MB in the beginning and 376.4 MB in the end (delta: 200.3 MB). Free memory was 139.3 MB in the beginning and 240.1 MB in the end (delta: -100.8 MB). Peak memory consumption was 182.0 MB. Max. memory is 8.0 GB. [2021-06-17 08:40:07,491 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 176.2 MB. Free memory is still 157.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 08:40:07,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.68 ms. Allocated memory is still 176.2 MB. Free memory was 139.1 MB in the beginning and 138.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 12.4 MB. Max. memory is 8.0 GB. [2021-06-17 08:40:07,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.83 ms. Allocated memory is still 176.2 MB. Free memory was 138.1 MB in the beginning and 136.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 08:40:07,491 INFO L168 Benchmark]: Boogie Preprocessor took 42.75 ms. Allocated memory is still 176.2 MB. Free memory was 136.0 MB in the beginning and 134.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 08:40:07,492 INFO L168 Benchmark]: RCFGBuilder took 607.38 ms. Allocated memory is still 176.2 MB. Free memory was 134.4 MB in the beginning and 110.8 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-06-17 08:40:07,492 INFO L168 Benchmark]: TraceAbstraction took 5614.90 ms. Allocated memory was 176.2 MB in the beginning and 376.4 MB in the end (delta: 200.3 MB). Free memory was 110.3 MB in the beginning and 240.1 MB in the end (delta: -129.8 MB). Peak memory consumption was 152.8 MB. Max. memory is 8.0 GB. [2021-06-17 08:40:07,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 176.2 MB. Free memory is still 157.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 462.68 ms. Allocated memory is still 176.2 MB. Free memory was 139.1 MB in the beginning and 138.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 12.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 63.83 ms. Allocated memory is still 176.2 MB. Free memory was 138.1 MB in the beginning and 136.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 42.75 ms. Allocated memory is still 176.2 MB. Free memory was 136.0 MB in the beginning and 134.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 607.38 ms. Allocated memory is still 176.2 MB. Free memory was 134.4 MB in the beginning and 110.8 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5614.90 ms. Allocated memory was 176.2 MB in the beginning and 376.4 MB in the end (delta: 200.3 MB). Free memory was 110.3 MB in the beginning and 240.1 MB in the end (delta: -129.8 MB). Peak memory consumption was 152.8 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: 52740, positive: 50185, positive conditional: 43360, positive unconditional: 6825, negative: 2555, negative conditional: 2484, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 50436, positive: 50185, positive conditional: 43360, positive unconditional: 6825, negative: 251, negative conditional: 180, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 50436, positive: 49691, positive conditional: 0, positive unconditional: 49691, negative: 745, negative conditional: 0, negative unconditional: 745, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1016, positive: 1000, positive conditional: 0, positive unconditional: 1000, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1016, positive: 994, positive conditional: 0, positive unconditional: 994, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 57, positive conditional: 36, positive unconditional: 20, negative: 95, negative conditional: 13, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 50436, positive: 48691, positive conditional: 0, positive unconditional: 48691, negative: 729, negative conditional: 0, negative unconditional: 729, unknown: 1016, unknown conditional: 0, unknown unconditional: 1016] , Statistics on independence cache: Total cache size (in pairs): 1033, Positive cache size: 1010, Positive conditional cache size: 10, Positive unconditional cache size: 1000, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, SemanticConditionEliminator.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 57, positive conditional: 36, positive unconditional: 20, negative: 95, negative conditional: 13, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2530, positive: 484, positive conditional: 484, positive unconditional: 0, negative: 2029, negative conditional: 94, negative unconditional: 1935, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1033, Positive cache size: 1010, Positive conditional cache size: 10, Positive unconditional cache size: 1000, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, Eliminated conditions: 1749, SemanticConditionEliminator.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 57, positive conditional: 36, positive unconditional: 20, negative: 95, negative conditional: 13, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2530, positive: 484, positive conditional: 484, positive unconditional: 0, negative: 2029, negative conditional: 94, negative unconditional: 1935, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1033, Positive cache size: 1010, Positive conditional cache size: 10, Positive unconditional cache size: 1000, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, Eliminated conditions: 1749, SemanticConditionEliminator.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 57, positive conditional: 36, positive unconditional: 20, negative: 95, negative conditional: 13, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2530, positive: 484, positive conditional: 484, positive unconditional: 0, negative: 2029, negative conditional: 94, negative unconditional: 1935, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1033, Positive cache size: 1010, Positive conditional cache size: 10, Positive unconditional cache size: 1000, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, Eliminated conditions: 1749, SemanticConditionEliminator.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 57, positive conditional: 36, positive unconditional: 20, negative: 95, negative conditional: 13, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2530, positive: 484, positive conditional: 484, positive unconditional: 0, negative: 2029, negative conditional: 94, negative unconditional: 1935, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1033, Positive cache size: 1010, Positive conditional cache size: 10, Positive unconditional cache size: 1000, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, Eliminated conditions: 1749, SemanticConditionEliminator.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 57, positive conditional: 36, positive unconditional: 20, negative: 95, negative conditional: 13, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2530, positive: 484, positive conditional: 484, positive unconditional: 0, negative: 2029, negative conditional: 94, negative unconditional: 1935, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1033, Positive cache size: 1010, Positive conditional cache size: 10, Positive unconditional cache size: 1000, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, Eliminated conditions: 1749, SemanticConditionEliminator.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 57, positive conditional: 36, positive unconditional: 20, negative: 95, negative conditional: 13, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2530, positive: 484, positive conditional: 484, positive unconditional: 0, negative: 2029, negative conditional: 94, negative unconditional: 1935, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1033, Positive cache size: 1010, Positive conditional cache size: 10, Positive unconditional cache size: 1000, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, Eliminated conditions: 1749 ], Maximal queried relation: 6, Independence queries for same thread: 2304 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1900, Number of persistent set computation: 29553, Number of trivial persistent sets: 27015, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 52740, positive: 50185, positive conditional: 43360, positive unconditional: 6825, negative: 2555, negative conditional: 2484, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 50436, positive: 50185, positive conditional: 43360, positive unconditional: 6825, negative: 251, negative conditional: 180, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 50436, positive: 49691, positive conditional: 0, positive unconditional: 49691, negative: 745, negative conditional: 0, negative unconditional: 745, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1016, positive: 1000, positive conditional: 0, positive unconditional: 1000, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1016, positive: 994, positive conditional: 0, positive unconditional: 994, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 57, positive conditional: 36, positive unconditional: 20, negative: 95, negative conditional: 13, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 50436, positive: 48691, positive conditional: 0, positive unconditional: 48691, negative: 729, negative conditional: 0, negative unconditional: 729, unknown: 1016, unknown conditional: 0, unknown unconditional: 1016] , Statistics on independence cache: Total cache size (in pairs): 1033, Positive cache size: 1010, Positive conditional cache size: 10, Positive unconditional cache size: 1000, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, SemanticConditionEliminator.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 57, positive conditional: 36, positive unconditional: 20, negative: 95, negative conditional: 13, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2530, positive: 484, positive conditional: 484, positive unconditional: 0, negative: 2029, negative conditional: 94, negative unconditional: 1935, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1033, Positive cache size: 1010, Positive conditional cache size: 10, Positive unconditional cache size: 1000, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, Eliminated conditions: 1749, SemanticConditionEliminator.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 57, positive conditional: 36, positive unconditional: 20, negative: 95, negative conditional: 13, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2530, positive: 484, positive conditional: 484, positive unconditional: 0, negative: 2029, negative conditional: 94, negative unconditional: 1935, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1033, Positive cache size: 1010, Positive conditional cache size: 10, Positive unconditional cache size: 1000, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, Eliminated conditions: 1749, SemanticConditionEliminator.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 57, positive conditional: 36, positive unconditional: 20, negative: 95, negative conditional: 13, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2530, positive: 484, positive conditional: 484, positive unconditional: 0, negative: 2029, negative conditional: 94, negative unconditional: 1935, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1033, Positive cache size: 1010, Positive conditional cache size: 10, Positive unconditional cache size: 1000, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, Eliminated conditions: 1749, SemanticConditionEliminator.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 57, positive conditional: 36, positive unconditional: 20, negative: 95, negative conditional: 13, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2530, positive: 484, positive conditional: 484, positive unconditional: 0, negative: 2029, negative conditional: 94, negative unconditional: 1935, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1033, Positive cache size: 1010, Positive conditional cache size: 10, Positive unconditional cache size: 1000, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, Eliminated conditions: 1749, SemanticConditionEliminator.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 57, positive conditional: 36, positive unconditional: 20, negative: 95, negative conditional: 13, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2530, positive: 484, positive conditional: 484, positive unconditional: 0, negative: 2029, negative conditional: 94, negative unconditional: 1935, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1033, Positive cache size: 1010, Positive conditional cache size: 10, Positive unconditional cache size: 1000, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, Eliminated conditions: 1749, SemanticConditionEliminator.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2530, positive: 494, positive conditional: 494, positive unconditional: 0, negative: 2036, negative conditional: 101, negative unconditional: 1935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 7, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 57, positive conditional: 36, positive unconditional: 20, negative: 95, negative conditional: 13, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2530, positive: 484, positive conditional: 484, positive unconditional: 0, negative: 2029, negative conditional: 94, negative unconditional: 1935, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1033, Positive cache size: 1010, Positive conditional cache size: 10, Positive unconditional cache size: 1000, Negative cache size: 23, Negative conditional cache size: 7, Negative unconditional cache size: 16, Eliminated conditions: 1749 ], Maximal queried relation: 6, Independence queries for same thread: 2304 - 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, 105 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5501.8ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.9ms, PartialOrderReductionTime: 4240.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 47, 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: 23.6ms SsaConstructionTime, 188.9ms SatisfiabilityAnalysisTime, 797.1ms InterpolantComputationTime, 397 NumberOfCodeBlocks, 397 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 391 ConstructedInterpolants, 0 QuantifiedInterpolants, 1128 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...