/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/safe018_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 22:58:59,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 22:58:59,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 22:58:59,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 22:58:59,607 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 22:58:59,624 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 22:58:59,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 22:58:59,624 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 22:58:59,624 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 22:58:59,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 22:58:59,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 22:58:59,626 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 22:58:59,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 22:58:59,626 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 22:58:59,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 22:58:59,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 22:58:59,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 22:58:59,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 22:58:59,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 22:58:59,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 22:58:59,627 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 22:58:59,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 22:58:59,628 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 22:58:59,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 22:58:59,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 22:58:59,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 22:58:59,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 22:58:59,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 22:58:59,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 22:58:59,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 22:58:59,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 22:58:59,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 22:58:59,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 22:58:59,629 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-16 22:58:59,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 22:58:59,630 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 22:58:59,630 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 22:58:59,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 22:58:59,630 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 22:58:59,630 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-16 22:58:59,630 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 22:58:59,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 22:58:59,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 22:58:59,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 22:58:59,962 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 22:58:59,963 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 22:58:59,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_tso.opt.i [2021-06-16 22:59:00,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41c4666f8/9c42ca5f33a6470cac1645081b0aa4b6/FLAG618465d97 [2021-06-16 22:59:00,465 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 22:59:00,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_tso.opt.i [2021-06-16 22:59:00,477 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41c4666f8/9c42ca5f33a6470cac1645081b0aa4b6/FLAG618465d97 [2021-06-16 22:59:00,494 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41c4666f8/9c42ca5f33a6470cac1645081b0aa4b6 [2021-06-16 22:59:00,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 22:59:00,499 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 22:59:00,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 22:59:00,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 22:59:00,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 22:59:00,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 10:59:00" (1/1) ... [2021-06-16 22:59:00,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@423bce25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:00, skipping insertion in model container [2021-06-16 22:59:00,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 10:59:00" (1/1) ... [2021-06-16 22:59:00,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 22:59:00,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 22:59:00,678 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/safe018_tso.opt.i[949,962] [2021-06-16 22:59:00,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 22:59:00,849 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 22:59:00,858 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/safe018_tso.opt.i[949,962] [2021-06-16 22:59:00,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 22:59:00,930 INFO L208 MainTranslator]: Completed translation [2021-06-16 22:59:00,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:00 WrapperNode [2021-06-16 22:59:00,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 22:59:00,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 22:59:00,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 22:59:00,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 22:59:00,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:00" (1/1) ... [2021-06-16 22:59:00,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:00" (1/1) ... [2021-06-16 22:59:00,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 22:59:00,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 22:59:00,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 22:59:00,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 22:59:00,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:00" (1/1) ... [2021-06-16 22:59:00,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:00" (1/1) ... [2021-06-16 22:59:00,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:00" (1/1) ... [2021-06-16 22:59:00,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:00" (1/1) ... [2021-06-16 22:59:00,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:00" (1/1) ... [2021-06-16 22:59:00,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:00" (1/1) ... [2021-06-16 22:59:00,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:00" (1/1) ... [2021-06-16 22:59:00,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 22:59:00,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 22:59:00,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 22:59:00,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 22:59:00,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:00" (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 22:59:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 22:59:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-16 22:59:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 22:59:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 22:59:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-16 22:59:01,052 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-16 22:59:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-16 22:59:01,052 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-16 22:59:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-16 22:59:01,052 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-16 22:59:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 22:59:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-16 22:59:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 22:59:01,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 22:59:01,053 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 22:59:01,328 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 22:59:01,329 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-16 22:59:01,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 10:59:01 BoogieIcfgContainer [2021-06-16 22:59:01,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 22:59:01,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 22:59:01,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 22:59:01,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 22:59:01,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 10:59:00" (1/3) ... [2021-06-16 22:59:01,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1c1d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 10:59:01, skipping insertion in model container [2021-06-16 22:59:01,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:00" (2/3) ... [2021-06-16 22:59:01,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1c1d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 10:59:01, skipping insertion in model container [2021-06-16 22:59:01,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 10:59:01" (3/3) ... [2021-06-16 22:59:01,335 INFO L111 eAbstractionObserver]: Analyzing ICFG safe018_tso.opt.i [2021-06-16 22:59:01,339 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 22:59:01,339 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 22:59:01,339 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 22:59:01,339 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 22:59:01,365 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,366 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,366 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,366 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,366 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,366 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,366 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,367 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,367 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,368 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,368 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,368 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,368 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,369 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,369 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,369 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,369 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,370 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,370 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,372 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,372 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,381 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,381 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,385 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,385 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:01,389 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 22:59:01,405 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 22:59:01,453 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 22:59:01,454 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 22:59:01,454 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 22:59:01,454 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 22:59:01,454 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 22:59:01,454 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 22:59:01,454 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 22:59:01,454 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 22:59:01,494 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:59:01,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:59:01,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1144415033, now seen corresponding path program 1 times [2021-06-16 22:59:01,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:59:01,503 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311043228] [2021-06-16 22:59:01,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:59:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:59:01,739 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 22:59:01,739 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:59:01,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311043228] [2021-06-16 22:59:01,740 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311043228] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:59:01,740 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:59:01,740 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 22:59:01,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99352047] [2021-06-16 22:59:01,743 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 22:59:01,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:59:01,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 22:59:01,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 22:59:01,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:01,753 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:59:01,755 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) [2021-06-16 22:59:01,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:02,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 22:59:02,326 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 22:59:02,327 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:59:02,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:59:02,329 INFO L82 PathProgramCache]: Analyzing trace with hash 262525070, now seen corresponding path program 1 times [2021-06-16 22:59:02,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:59:02,330 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643260676] [2021-06-16 22:59:02,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:59:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:59:02,530 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 22:59:02,532 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:59:02,532 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643260676] [2021-06-16 22:59:02,533 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643260676] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:59:02,533 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:59:02,534 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 22:59:02,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536748254] [2021-06-16 22:59:02,535 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 22:59:02,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:59:02,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 22:59:02,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 22:59:02,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:02,540 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:59:02,540 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 22:59:02,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 22:59:02,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:03,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 22:59:03,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 22:59:03,014 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 22:59:03,014 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:59:03,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:59:03,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1259248570, now seen corresponding path program 2 times [2021-06-16 22:59:03,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:59:03,020 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654607016] [2021-06-16 22:59:03,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:59:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:59:03,144 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 22:59:03,145 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:59:03,145 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654607016] [2021-06-16 22:59:03,145 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654607016] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:59:03,145 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:59:03,145 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 22:59:03,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866442659] [2021-06-16 22:59:03,146 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 22:59:03,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:59:03,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 22:59:03,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 22:59:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:03,146 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:59:03,147 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 22:59:03,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 22:59:03,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 22:59:03,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:03,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 22:59:03,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 22:59:03,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 22:59:03,606 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 22:59:03,606 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:59:03,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:59:03,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1374016687, now seen corresponding path program 2 times [2021-06-16 22:59:03,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:59:03,607 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745425822] [2021-06-16 22:59:03,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:59:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:59:03,729 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 22:59:03,729 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:59:03,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745425822] [2021-06-16 22:59:03,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745425822] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:59:03,731 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:59:03,731 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 22:59:03,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29899398] [2021-06-16 22:59:03,732 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 22:59:03,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:59:03,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 22:59:03,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 22:59:03,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:03,733 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:59:03,733 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) [2021-06-16 22:59:03,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 22:59:03,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 22:59:03,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 22:59:03,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:04,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 22:59:04,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 22:59:04,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 22:59:04,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 22:59:04,247 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 22:59:04,258 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 22:59:04,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 10:59:04 BasicIcfg [2021-06-16 22:59:04,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 22:59:04,261 INFO L168 Benchmark]: Toolchain (without parser) took 3761.16 ms. Allocated memory was 215.0 MB in the beginning and 486.5 MB in the end (delta: 271.6 MB). Free memory was 178.3 MB in the beginning and 310.7 MB in the end (delta: -132.4 MB). Peak memory consumption was 193.7 MB. Max. memory is 8.0 GB. [2021-06-16 22:59:04,261 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 215.0 MB. Free memory is still 196.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 22:59:04,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.52 ms. Allocated memory is still 215.0 MB. Free memory was 178.1 MB in the beginning and 176.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-16 22:59:04,261 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.17 ms. Allocated memory is still 215.0 MB. Free memory was 176.2 MB in the beginning and 174.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 22:59:04,264 INFO L168 Benchmark]: Boogie Preprocessor took 26.66 ms. Allocated memory is still 215.0 MB. Free memory was 174.2 MB in the beginning and 172.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 22:59:04,264 INFO L168 Benchmark]: RCFGBuilder took 331.82 ms. Allocated memory is still 215.0 MB. Free memory was 172.6 MB in the beginning and 148.5 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-06-16 22:59:04,264 INFO L168 Benchmark]: TraceAbstraction took 2928.81 ms. Allocated memory was 215.0 MB in the beginning and 486.5 MB in the end (delta: 271.6 MB). Free memory was 148.5 MB in the beginning and 310.7 MB in the end (delta: -162.2 MB). Peak memory consumption was 164.4 MB. Max. memory is 8.0 GB. [2021-06-16 22:59:04,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 215.0 MB. Free memory is still 196.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 429.52 ms. Allocated memory is still 215.0 MB. Free memory was 178.1 MB in the beginning and 176.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 40.17 ms. Allocated memory is still 215.0 MB. Free memory was 176.2 MB in the beginning and 174.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.66 ms. Allocated memory is still 215.0 MB. Free memory was 174.2 MB in the beginning and 172.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 331.82 ms. Allocated memory is still 215.0 MB. Free memory was 172.6 MB in the beginning and 148.5 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2928.81 ms. Allocated memory was 215.0 MB in the beginning and 486.5 MB in the end (delta: 271.6 MB). Free memory was 148.5 MB in the beginning and 310.7 MB in the end (delta: -162.2 MB). Peak memory consumption was 164.4 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: 103670, positive: 99941, positive conditional: 99941, positive unconditional: 0, negative: 3729, negative conditional: 3729, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 100506, positive: 99941, positive conditional: 99941, positive unconditional: 0, negative: 565, negative conditional: 565, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 100506, positive: 99535, positive conditional: 0, positive unconditional: 99535, negative: 971, negative conditional: 0, negative unconditional: 971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 756, positive: 745, positive conditional: 0, positive unconditional: 745, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 756, positive: 739, positive conditional: 0, positive unconditional: 739, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 19, negative conditional: 8, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 43, positive conditional: 29, positive unconditional: 15, negative: 46, negative conditional: 12, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 100506, positive: 98790, positive conditional: 0, positive unconditional: 98790, negative: 960, negative conditional: 0, negative unconditional: 960, unknown: 756, unknown conditional: 0, unknown unconditional: 756] , Statistics on independence cache: Total cache size (in pairs): 777, Positive cache size: 758, Positive conditional cache size: 13, Positive unconditional cache size: 745, Negative cache size: 19, Negative conditional cache size: 8, Negative unconditional cache size: 11, SemanticConditionEliminator.Independence Queries: [ total: 2319, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1913, negative conditional: 217, negative unconditional: 1696, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2319, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1913, negative conditional: 217, negative unconditional: 1696, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 19, negative conditional: 8, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 43, positive conditional: 29, positive unconditional: 15, negative: 46, negative conditional: 12, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2319, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1905, negative conditional: 209, negative unconditional: 1696, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 777, Positive cache size: 758, Positive conditional cache size: 13, Positive unconditional cache size: 745, Negative cache size: 19, Negative conditional cache size: 8, Negative unconditional cache size: 11, Eliminated conditions: 1696, SemanticConditionEliminator.Independence Queries: [ total: 2319, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1913, negative conditional: 217, negative unconditional: 1696, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2319, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1913, negative conditional: 217, negative unconditional: 1696, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 19, negative conditional: 8, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 43, positive conditional: 29, positive unconditional: 15, negative: 46, negative conditional: 12, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2319, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1905, negative conditional: 209, negative unconditional: 1696, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 777, Positive cache size: 758, Positive conditional cache size: 13, Positive unconditional cache size: 745, Negative cache size: 19, Negative conditional cache size: 8, Negative unconditional cache size: 11, Eliminated conditions: 1696, SemanticConditionEliminator.Independence Queries: [ total: 2319, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1913, negative conditional: 217, negative unconditional: 1696, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2319, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1913, negative conditional: 217, negative unconditional: 1696, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 19, negative conditional: 8, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 43, positive conditional: 29, positive unconditional: 15, negative: 46, negative conditional: 12, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2319, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1905, negative conditional: 209, negative unconditional: 1696, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 777, Positive cache size: 758, Positive conditional cache size: 13, Positive unconditional cache size: 745, Negative cache size: 19, Negative conditional cache size: 8, Negative unconditional cache size: 11, Eliminated conditions: 1696, SemanticConditionEliminator.Independence Queries: [ total: 2319, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1913, negative conditional: 217, negative unconditional: 1696, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2319, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1913, negative conditional: 217, negative unconditional: 1696, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 19, negative conditional: 8, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 43, positive conditional: 29, positive unconditional: 15, negative: 46, negative conditional: 12, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2319, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1905, negative conditional: 209, negative unconditional: 1696, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 777, Positive cache size: 758, Positive conditional cache size: 13, Positive unconditional cache size: 745, Negative cache size: 19, Negative conditional cache size: 8, Negative unconditional cache size: 11, Eliminated conditions: 1696 ], Maximal queried relation: 4, Independence queries for same thread: 3164 - 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: 2834.9ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.7ms, PartialOrderReductionTime: 2044.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 39, 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: 19.8ms SsaConstructionTime, 115.7ms SatisfiabilityAnalysisTime, 468.4ms InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 737 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...