/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe003_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 22:56:30,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 22:56:30,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 22:56:30,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 22:56:30,996 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-Random42.epf [2021-06-16 22:56:31,034 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 22:56:31,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 22:56:31,035 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 22:56:31,035 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 22:56:31,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 22:56:31,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 22:56:31,038 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 22:56:31,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 22:56:31,039 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 22:56:31,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 22:56:31,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 22:56:31,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 22:56:31,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 22:56:31,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 22:56:31,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 22:56:31,040 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 22:56:31,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 22:56:31,041 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 22:56:31,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 22:56:31,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 22:56:31,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 22:56:31,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 22:56:31,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 22:56:31,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 22:56:31,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 22:56:31,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 22:56:31,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 22:56:31,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 22:56:31,042 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-16 22:56:31,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 22:56:31,043 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 22:56:31,043 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 22:56:31,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 22:56:31,043 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 22:56:31,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-16 22:56:31,044 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 22:56:31,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 22:56:31,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 22:56:31,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 22:56:31,370 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 22:56:31,370 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 22:56:31,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe003_tso.opt.i [2021-06-16 22:56:31,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82f82bf16/6198cb8ee480443aa7963751e3c64f07/FLAGf5a96fe42 [2021-06-16 22:56:31,951 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 22:56:31,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_tso.opt.i [2021-06-16 22:56:31,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82f82bf16/6198cb8ee480443aa7963751e3c64f07/FLAGf5a96fe42 [2021-06-16 22:56:32,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82f82bf16/6198cb8ee480443aa7963751e3c64f07 [2021-06-16 22:56:32,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 22:56:32,405 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 22:56:32,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 22:56:32,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 22:56:32,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 22:56:32,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 10:56:32" (1/1) ... [2021-06-16 22:56:32,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279158ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:56:32, skipping insertion in model container [2021-06-16 22:56:32,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 10:56:32" (1/1) ... [2021-06-16 22:56:32,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 22:56:32,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 22:56:32,590 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/safe003_tso.opt.i[949,962] [2021-06-16 22:56:32,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 22:56:32,723 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 22:56:32,734 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/safe003_tso.opt.i[949,962] [2021-06-16 22:56:32,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 22:56:32,817 INFO L208 MainTranslator]: Completed translation [2021-06-16 22:56:32,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:56:32 WrapperNode [2021-06-16 22:56:32,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 22:56:32,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 22:56:32,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 22:56:32,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 22:56:32,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:56:32" (1/1) ... [2021-06-16 22:56:32,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:56:32" (1/1) ... [2021-06-16 22:56:32,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 22:56:32,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 22:56:32,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 22:56:32,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 22:56:32,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:56:32" (1/1) ... [2021-06-16 22:56:32,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:56:32" (1/1) ... [2021-06-16 22:56:32,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:56:32" (1/1) ... [2021-06-16 22:56:32,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:56:32" (1/1) ... [2021-06-16 22:56:32,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:56:32" (1/1) ... [2021-06-16 22:56:32,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:56:32" (1/1) ... [2021-06-16 22:56:32,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:56:32" (1/1) ... [2021-06-16 22:56:32,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 22:56:32,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 22:56:32,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 22:56:32,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 22:56:32,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:56:32" (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 22:56:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 22:56:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-16 22:56:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 22:56:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 22:56:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-16 22:56:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-16 22:56:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-16 22:56:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-16 22:56:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-16 22:56:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-16 22:56:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 22:56:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-16 22:56:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 22:56:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 22:56:33,025 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 22:56:33,438 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 22:56:33,438 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-16 22:56:33,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 10:56:33 BoogieIcfgContainer [2021-06-16 22:56:33,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 22:56:33,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 22:56:33,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 22:56:33,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 22:56:33,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 10:56:32" (1/3) ... [2021-06-16 22:56:33,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9f2610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 10:56:33, skipping insertion in model container [2021-06-16 22:56:33,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:56:32" (2/3) ... [2021-06-16 22:56:33,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9f2610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 10:56:33, skipping insertion in model container [2021-06-16 22:56:33,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 10:56:33" (3/3) ... [2021-06-16 22:56:33,448 INFO L111 eAbstractionObserver]: Analyzing ICFG safe003_tso.opt.i [2021-06-16 22:56:33,454 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 22:56:33,454 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 22:56:33,454 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 22:56:33,455 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 22:56:33,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,488 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,488 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,489 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,489 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,491 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,491 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,493 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,493 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,498 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,498 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,498 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,499 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,500 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,500 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,501 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,504 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,504 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,509 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,510 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,510 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,510 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,512 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,512 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,512 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:56:33,516 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 22:56:33,537 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 22:56:33,608 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 22:56:33,608 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 22:56:33,608 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 22:56:33,608 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 22:56:33,608 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 22:56:33,608 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 22:56:33,608 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 22:56:33,609 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 22:56:33,719 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:56:33,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:56:33,724 INFO L82 PathProgramCache]: Analyzing trace with hash -326600474, now seen corresponding path program 1 times [2021-06-16 22:56:33,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:56:33,732 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3014096] [2021-06-16 22:56:33,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:56:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:56:34,173 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 22:56:34,174 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:56:34,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3014096] [2021-06-16 22:56:34,176 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3014096] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:56:34,176 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:56:34,176 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 22:56:34,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885566661] [2021-06-16 22:56:34,182 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 22:56:34,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:56:34,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 22:56:34,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-16 22:56:34,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:56:34,199 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:56:34,201 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 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) [2021-06-16 22:56:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:56:34,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 22:56:34,667 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 22:56:34,667 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:56:34,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:56:34,668 INFO L82 PathProgramCache]: Analyzing trace with hash 873896982, now seen corresponding path program 2 times [2021-06-16 22:56:34,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:56:34,668 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803283099] [2021-06-16 22:56:34,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:56:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:56:34,839 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 22:56:34,839 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:56:34,839 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803283099] [2021-06-16 22:56:34,840 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803283099] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:56:34,840 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:56:34,840 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 22:56:34,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325072180] [2021-06-16 22:56:34,846 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 22:56:34,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:56:34,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 22:56:34,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 22:56:34,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:56:34,855 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:56:34,855 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 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) [2021-06-16 22:56:34,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 22:56:34,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:56:35,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 22:56:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 22:56:35,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 22:56:35,413 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:56:35,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:56:35,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1256664972, now seen corresponding path program 3 times [2021-06-16 22:56:35,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:56:35,421 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89938547] [2021-06-16 22:56:35,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:56:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:56:35,645 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 22:56:35,645 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:56:35,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89938547] [2021-06-16 22:56:35,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89938547] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:56:35,646 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:56:35,646 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 22:56:35,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905117184] [2021-06-16 22:56:35,646 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 22:56:35,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:56:35,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 22:56:35,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 22:56:35,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:56:35,647 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:56:35,647 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 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) [2021-06-16 22:56:35,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 22:56:35,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 22:56:35,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:56:36,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 22:56:36,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 22:56:36,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 22:56:36,883 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 22:56:36,883 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:56:36,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:56:36,884 INFO L82 PathProgramCache]: Analyzing trace with hash -488530870, now seen corresponding path program 4 times [2021-06-16 22:56:36,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:56:36,884 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111216214] [2021-06-16 22:56:36,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:56:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:56:36,973 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 22:56:36,973 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:56:36,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111216214] [2021-06-16 22:56:36,974 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111216214] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:56:36,974 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:56:36,974 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 22:56:36,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577068123] [2021-06-16 22:56:36,974 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 22:56:36,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:56:36,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 22:56:36,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 22:56:36,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:56:36,975 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:56:36,976 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 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) [2021-06-16 22:56:36,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 22:56:36,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 22:56:36,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 22:56:36,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:56:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 22:56:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 22:56:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 22:56:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 22:56:39,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 22:56:39,100 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:56:39,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:56:39,100 INFO L82 PathProgramCache]: Analyzing trace with hash 870518614, now seen corresponding path program 5 times [2021-06-16 22:56:39,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:56:39,105 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371546952] [2021-06-16 22:56:39,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:56:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:56:39,363 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2021-06-16 22:56:39,364 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 22:56:39,365 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:56:39,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371546952] [2021-06-16 22:56:39,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371546952] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:56:39,365 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:56:39,365 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 22:56:39,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862993452] [2021-06-16 22:56:39,366 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 22:56:39,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:56:39,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 22:56:39,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-16 22:56:39,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:56:39,367 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:56:39,367 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 22:56:39,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 22:56:39,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 22:56:39,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 22:56:39,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 22:56:39,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:56:41,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 22:56:41,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 22:56:41,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 22:56:41,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 22:56:41,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 22:56:41,371 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-16 22:56:41,371 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:56:41,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:56:41,372 INFO L82 PathProgramCache]: Analyzing trace with hash -377347930, now seen corresponding path program 6 times [2021-06-16 22:56:41,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:56:41,372 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354508621] [2021-06-16 22:56:41,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:56:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:56:41,453 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 22:56:41,453 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:56:41,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354508621] [2021-06-16 22:56:41,453 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354508621] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:56:41,453 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:56:41,453 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 22:56:41,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151715805] [2021-06-16 22:56:41,454 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 22:56:41,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:56:41,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 22:56:41,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-16 22:56:41,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:56:41,455 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:56:41,455 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 22:56:41,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 22:56:41,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 22:56:41,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 22:56:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 22:56:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 22:56:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:56:44,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 22:56:44,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 22:56:44,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 22:56:44,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 22:56:44,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 22:56:44,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 22:56:44,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-16 22:56:44,084 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 22:56:44,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 10:56:44 BasicIcfg [2021-06-16 22:56:44,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 22:56:44,087 INFO L168 Benchmark]: Toolchain (without parser) took 11682.66 ms. Allocated memory was 181.4 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 143.8 MB in the beginning and 2.7 GB in the end (delta: -2.6 GB). Peak memory consumption was 883.6 MB. Max. memory is 8.0 GB. [2021-06-16 22:56:44,088 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 181.4 MB. Free memory is still 162.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 22:56:44,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.32 ms. Allocated memory is still 181.4 MB. Free memory was 143.5 MB in the beginning and 142.8 MB in the end (delta: 710.1 kB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-16 22:56:44,088 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.97 ms. Allocated memory is still 181.4 MB. Free memory was 142.8 MB in the beginning and 140.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 22:56:44,089 INFO L168 Benchmark]: Boogie Preprocessor took 46.04 ms. Allocated memory is still 181.4 MB. Free memory was 140.7 MB in the beginning and 138.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 22:56:44,089 INFO L168 Benchmark]: RCFGBuilder took 510.49 ms. Allocated memory is still 181.4 MB. Free memory was 138.9 MB in the beginning and 115.6 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-06-16 22:56:44,089 INFO L168 Benchmark]: TraceAbstraction took 10645.32 ms. Allocated memory was 181.4 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 115.0 MB in the beginning and 2.7 GB in the end (delta: -2.6 GB). Peak memory consumption was 854.5 MB. Max. memory is 8.0 GB. [2021-06-16 22:56:44,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 181.4 MB. Free memory is still 162.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 412.32 ms. Allocated memory is still 181.4 MB. Free memory was 143.5 MB in the beginning and 142.8 MB in the end (delta: 710.1 kB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 62.97 ms. Allocated memory is still 181.4 MB. Free memory was 142.8 MB in the beginning and 140.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 46.04 ms. Allocated memory is still 181.4 MB. Free memory was 140.7 MB in the beginning and 138.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 510.49 ms. Allocated memory is still 181.4 MB. Free memory was 138.9 MB in the beginning and 115.6 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10645.32 ms. Allocated memory was 181.4 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 115.0 MB in the beginning and 2.7 GB in the end (delta: -2.6 GB). Peak memory consumption was 854.5 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: 399906, positive: 387089, positive conditional: 387089, positive unconditional: 0, negative: 12817, negative conditional: 12817, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 390554, positive: 387089, positive conditional: 387089, positive unconditional: 0, negative: 3465, negative conditional: 3465, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 390554, positive: 385410, positive conditional: 0, positive unconditional: 385410, negative: 5144, negative conditional: 0, negative unconditional: 5144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 978, positive: 954, positive conditional: 0, positive unconditional: 954, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 978, positive: 948, positive conditional: 0, positive unconditional: 948, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 128, positive: 37, positive conditional: 31, positive unconditional: 6, negative: 91, negative conditional: 67, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 112, positive conditional: 54, positive unconditional: 58, negative: 134, negative conditional: 94, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 390554, positive: 384456, positive conditional: 0, positive unconditional: 384456, negative: 5120, negative conditional: 0, negative unconditional: 5120, unknown: 978, unknown conditional: 0, unknown unconditional: 978] , Statistics on independence cache: Total cache size (in pairs): 1076, Positive cache size: 985, Positive conditional cache size: 31, Positive unconditional cache size: 954, Negative cache size: 91, Negative conditional cache size: 67, Negative unconditional cache size: 24, SemanticConditionEliminator.Independence Queries: [ total: 21063, positive: 1679, positive conditional: 1679, positive unconditional: 0, negative: 19384, negative conditional: 3330, negative unconditional: 16054, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21063, positive: 1679, positive conditional: 1679, positive unconditional: 0, negative: 19384, negative conditional: 3330, negative unconditional: 16054, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 128, positive: 37, positive conditional: 31, positive unconditional: 6, negative: 91, negative conditional: 67, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 112, positive conditional: 54, positive unconditional: 58, negative: 134, negative conditional: 94, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21063, positive: 1648, positive conditional: 1648, positive unconditional: 0, negative: 19317, negative conditional: 3263, negative unconditional: 16054, unknown: 98, unknown conditional: 98, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1076, Positive cache size: 985, Positive conditional cache size: 31, Positive unconditional cache size: 954, Negative cache size: 91, Negative conditional cache size: 67, Negative unconditional cache size: 24, Eliminated conditions: 16054, SemanticConditionEliminator.Independence Queries: [ total: 21063, positive: 1679, positive conditional: 1679, positive unconditional: 0, negative: 19384, negative conditional: 3330, negative unconditional: 16054, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21063, positive: 1679, positive conditional: 1679, positive unconditional: 0, negative: 19384, negative conditional: 3330, negative unconditional: 16054, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 128, positive: 37, positive conditional: 31, positive unconditional: 6, negative: 91, negative conditional: 67, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 112, positive conditional: 54, positive unconditional: 58, negative: 134, negative conditional: 94, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21063, positive: 1648, positive conditional: 1648, positive unconditional: 0, negative: 19317, negative conditional: 3263, negative unconditional: 16054, unknown: 98, unknown conditional: 98, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1076, Positive cache size: 985, Positive conditional cache size: 31, Positive unconditional cache size: 954, Negative cache size: 91, Negative conditional cache size: 67, Negative unconditional cache size: 24, Eliminated conditions: 16054, SemanticConditionEliminator.Independence Queries: [ total: 21063, positive: 1679, positive conditional: 1679, positive unconditional: 0, negative: 19384, negative conditional: 3330, negative unconditional: 16054, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21063, positive: 1679, positive conditional: 1679, positive unconditional: 0, negative: 19384, negative conditional: 3330, negative unconditional: 16054, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 128, positive: 37, positive conditional: 31, positive unconditional: 6, negative: 91, negative conditional: 67, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 112, positive conditional: 54, positive unconditional: 58, negative: 134, negative conditional: 94, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21063, positive: 1648, positive conditional: 1648, positive unconditional: 0, negative: 19317, negative conditional: 3263, negative unconditional: 16054, unknown: 98, unknown conditional: 98, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1076, Positive cache size: 985, Positive conditional cache size: 31, Positive unconditional cache size: 954, Negative cache size: 91, Negative conditional cache size: 67, Negative unconditional cache size: 24, Eliminated conditions: 16054, SemanticConditionEliminator.Independence Queries: [ total: 21063, positive: 1679, positive conditional: 1679, positive unconditional: 0, negative: 19384, negative conditional: 3330, negative unconditional: 16054, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21063, positive: 1679, positive conditional: 1679, positive unconditional: 0, negative: 19384, negative conditional: 3330, negative unconditional: 16054, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 128, positive: 37, positive conditional: 31, positive unconditional: 6, negative: 91, negative conditional: 67, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 112, positive conditional: 54, positive unconditional: 58, negative: 134, negative conditional: 94, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21063, positive: 1648, positive conditional: 1648, positive unconditional: 0, negative: 19317, negative conditional: 3263, negative unconditional: 16054, unknown: 98, unknown conditional: 98, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1076, Positive cache size: 985, Positive conditional cache size: 31, Positive unconditional cache size: 954, Negative cache size: 91, Negative conditional cache size: 67, Negative unconditional cache size: 24, Eliminated conditions: 16054, SemanticConditionEliminator.Independence Queries: [ total: 21063, positive: 1679, positive conditional: 1679, positive unconditional: 0, negative: 19384, negative conditional: 3330, negative unconditional: 16054, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21063, positive: 1679, positive conditional: 1679, positive unconditional: 0, negative: 19384, negative conditional: 3330, negative unconditional: 16054, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 128, positive: 37, positive conditional: 31, positive unconditional: 6, negative: 91, negative conditional: 67, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 112, positive conditional: 54, positive unconditional: 58, negative: 134, negative conditional: 94, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21063, positive: 1648, positive conditional: 1648, positive unconditional: 0, negative: 19317, negative conditional: 3263, negative unconditional: 16054, unknown: 98, unknown conditional: 98, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1076, Positive cache size: 985, Positive conditional cache size: 31, Positive unconditional cache size: 954, Negative cache size: 91, Negative conditional cache size: 67, Negative unconditional cache size: 24, Eliminated conditions: 16054, SemanticConditionEliminator.Independence Queries: [ total: 21063, positive: 1679, positive conditional: 1679, positive unconditional: 0, negative: 19384, negative conditional: 3330, negative unconditional: 16054, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21063, positive: 1679, positive conditional: 1679, positive unconditional: 0, negative: 19384, negative conditional: 3330, negative unconditional: 16054, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 128, positive: 37, positive conditional: 31, positive unconditional: 6, negative: 91, negative conditional: 67, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 112, positive conditional: 54, positive unconditional: 58, negative: 134, negative conditional: 94, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21063, positive: 1648, positive conditional: 1648, positive unconditional: 0, negative: 19317, negative conditional: 3263, negative unconditional: 16054, unknown: 98, unknown conditional: 98, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1076, Positive cache size: 985, Positive conditional cache size: 31, Positive unconditional cache size: 954, Negative cache size: 91, Negative conditional cache size: 67, Negative unconditional cache size: 24, Eliminated conditions: 16054 ], Maximal queried relation: 6, Independence queries for same thread: 9352 - 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, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10520.3ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.4ms, PartialOrderReductionTime: 9100.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 88, 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: 28.9ms SsaConstructionTime, 215.1ms SatisfiabilityAnalysisTime, 912.5ms InterpolantComputationTime, 402 NumberOfCodeBlocks, 402 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 1626 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...