/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 20:11:57,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 20:11:57,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 20:11:57,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 20:11:57,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 20:11:57,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 20:11:57,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 20:11:57,544 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-07-14 20:11:57,565 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 20:11:57,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 20:11:57,566 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 20:11:57,566 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 20:11:57,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 20:11:57,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 20:11:57,567 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 20:11:57,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 20:11:57,568 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 20:11:57,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 20:11:57,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 20:11:57,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 20:11:57,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 20:11:57,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 20:11:57,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 20:11:57,586 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 20:11:57,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 20:11:57,587 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 20:11:57,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 20:11:57,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 20:11:57,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 20:11:57,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 20:11:57,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 20:11:57,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 20:11:57,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 20:11:57,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 20:11:57,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 20:11:57,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 20:11:57,588 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 20:11:57,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 20:11:57,589 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 20:11:57,589 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 20:11:57,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 20:11:57,589 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 20:11:57,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 20:11:57,589 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 20:11:57,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 20:11:57,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 20:11:57,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 20:11:57,923 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 20:11:57,924 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 20:11:57,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.oepc.i [2021-07-14 20:11:57,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29a87c9de/87e241f91ca1450c934a0dbaa06fc3d9/FLAGec68b0956 [2021-07-14 20:11:58,502 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 20:11:58,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_tso.oepc.i [2021-07-14 20:11:58,520 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29a87c9de/87e241f91ca1450c934a0dbaa06fc3d9/FLAGec68b0956 [2021-07-14 20:11:58,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29a87c9de/87e241f91ca1450c934a0dbaa06fc3d9 [2021-07-14 20:11:58,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 20:11:58,996 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 20:11:58,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 20:11:58,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 20:11:59,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 20:11:59,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 08:11:58" (1/1) ... [2021-07-14 20:11:59,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1cad73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:11:59, skipping insertion in model container [2021-07-14 20:11:59,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 08:11:58" (1/1) ... [2021-07-14 20:11:59,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 20:11:59,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 20:11:59,185 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/thin002_tso.oepc.i[950,963] [2021-07-14 20:11:59,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 20:11:59,349 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 20:11:59,363 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/thin002_tso.oepc.i[950,963] [2021-07-14 20:11:59,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 20:11:59,456 INFO L208 MainTranslator]: Completed translation [2021-07-14 20:11:59,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:11:59 WrapperNode [2021-07-14 20:11:59,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 20:11:59,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 20:11:59,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 20:11:59,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 20:11:59,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:11:59" (1/1) ... [2021-07-14 20:11:59,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:11:59" (1/1) ... [2021-07-14 20:11:59,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 20:11:59,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 20:11:59,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 20:11:59,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 20:11:59,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:11:59" (1/1) ... [2021-07-14 20:11:59,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:11:59" (1/1) ... [2021-07-14 20:11:59,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:11:59" (1/1) ... [2021-07-14 20:11:59,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:11:59" (1/1) ... [2021-07-14 20:11:59,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:11:59" (1/1) ... [2021-07-14 20:11:59,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:11:59" (1/1) ... [2021-07-14 20:11:59,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:11:59" (1/1) ... [2021-07-14 20:11:59,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 20:11:59,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 20:11:59,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 20:11:59,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 20:11:59,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:11:59" (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 [2021-07-14 20:11:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 20:11:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 20:11:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 20:11:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 20:11:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-14 20:11:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-14 20:11:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-14 20:11:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-14 20:11:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-14 20:11:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-14 20:11:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-07-14 20:11:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-07-14 20:11:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 20:11:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 20:11:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 20:11:59,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 20:11:59,605 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 20:11:59,982 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 20:11:59,982 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-14 20:11:59,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:11:59 BoogieIcfgContainer [2021-07-14 20:11:59,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 20:11:59,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 20:11:59,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 20:11:59,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 20:11:59,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 08:11:58" (1/3) ... [2021-07-14 20:11:59,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@390a80e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:11:59, skipping insertion in model container [2021-07-14 20:11:59,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:11:59" (2/3) ... [2021-07-14 20:11:59,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@390a80e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:11:59, skipping insertion in model container [2021-07-14 20:11:59,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:11:59" (3/3) ... [2021-07-14 20:11:59,994 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_tso.oepc.i [2021-07-14 20:12:00,000 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 20:12:00,002 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 20:12:00,002 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 20:12:00,003 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 20:12:00,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,047 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,047 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,047 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,047 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,050 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,050 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,051 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,051 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,052 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,053 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,054 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,055 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,055 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,057 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,058 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,058 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,058 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,061 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,061 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,061 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,062 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,067 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,067 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,070 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,071 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,074 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,074 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:12:00,077 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 20:12:00,099 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 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 [2021-07-14 20:12:00,171 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 20:12:00,171 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 20:12:00,172 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 20:12:00,172 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 20:12:00,172 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 20:12:00,172 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 20:12:00,172 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 20:12:00,172 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 20:12:00,396 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 20:12:00,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:12:00,401 INFO L82 PathProgramCache]: Analyzing trace with hash -435473598, now seen corresponding path program 1 times [2021-07-14 20:12:00,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:12:00,410 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261398202] [2021-07-14 20:12:00,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:12:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:12:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:12:00,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:12:00,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261398202] [2021-07-14 20:12:00,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261398202] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:12:00,845 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:12:00,845 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 20:12:00,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993832545] [2021-07-14 20:12:00,859 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 20:12:00,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:12:00,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 20:12:00,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-14 20:12:00,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:12:00,876 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:12:00,878 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 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) [2021-07-14 20:12:00,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:12:04,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:12:04,339 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 20:12:04,339 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 20:12:04,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:12:04,340 INFO L82 PathProgramCache]: Analyzing trace with hash 598675444, now seen corresponding path program 2 times [2021-07-14 20:12:04,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:12:04,340 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899486573] [2021-07-14 20:12:04,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:12:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:12:04,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:12:04,516 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:12:04,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899486573] [2021-07-14 20:12:04,517 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899486573] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:12:04,517 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:12:04,517 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 20:12:04,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744844115] [2021-07-14 20:12:04,519 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 20:12:04,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:12:04,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 20:12:04,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-14 20:12:04,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:12:04,521 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:12:04,521 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 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) [2021-07-14 20:12:04,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:12:04,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:12:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:12:07,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:12:07,830 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 20:12:07,830 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 20:12:07,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:12:07,831 INFO L82 PathProgramCache]: Analyzing trace with hash -512839190, now seen corresponding path program 3 times [2021-07-14 20:12:07,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:12:07,831 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184778266] [2021-07-14 20:12:07,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:12:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:12:07,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:12:07,960 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:12:07,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184778266] [2021-07-14 20:12:07,960 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184778266] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:12:07,960 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:12:07,960 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 20:12:07,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578196156] [2021-07-14 20:12:07,961 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 20:12:07,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:12:07,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 20:12:07,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-14 20:12:07,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:12:07,962 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:12:07,962 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 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) [2021-07-14 20:12:07,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:12:07,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:12:07,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:12:08,179 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-07-14 20:12:12,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:12:12,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:12:12,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:12:12,178 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 20:12:12,179 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 20:12:12,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:12:12,179 INFO L82 PathProgramCache]: Analyzing trace with hash 2144836946, now seen corresponding path program 4 times [2021-07-14 20:12:12,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:12:12,179 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107124122] [2021-07-14 20:12:12,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:12:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:12:12,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:12:12,278 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:12:12,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107124122] [2021-07-14 20:12:12,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107124122] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:12:12,278 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:12:12,278 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 20:12:12,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012151078] [2021-07-14 20:12:12,279 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 20:12:12,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:12:12,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 20:12:12,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 20:12:12,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:12:12,280 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:12:12,280 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 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) [2021-07-14 20:12:12,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:12:12,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:12:12,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:12:12,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:12:19,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:12:19,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:12:19,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:12:19,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:12:19,994 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 20:12:20,005 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 20:12:20,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 08:12:20 BasicIcfg [2021-07-14 20:12:20,008 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 20:12:20,009 INFO L168 Benchmark]: Toolchain (without parser) took 21012.63 ms. Allocated memory was 198.2 MB in the beginning and 6.4 GB in the end (delta: 6.2 GB). Free memory was 162.0 MB in the beginning and 5.4 GB in the end (delta: -5.2 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-07-14 20:12:20,009 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 198.2 MB. Free memory is still 180.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 20:12:20,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.84 ms. Allocated memory is still 198.2 MB. Free memory was 161.8 MB in the beginning and 171.6 MB in the end (delta: -9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-14 20:12:20,010 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.99 ms. Allocated memory is still 198.2 MB. Free memory was 171.3 MB in the beginning and 169.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 20:12:20,010 INFO L168 Benchmark]: Boogie Preprocessor took 30.65 ms. Allocated memory is still 198.2 MB. Free memory was 169.5 MB in the beginning and 167.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 20:12:20,011 INFO L168 Benchmark]: RCFGBuilder took 458.53 ms. Allocated memory is still 198.2 MB. Free memory was 167.8 MB in the beginning and 142.0 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-07-14 20:12:20,011 INFO L168 Benchmark]: TraceAbstraction took 20021.37 ms. Allocated memory was 198.2 MB in the beginning and 6.4 GB in the end (delta: 6.2 GB). Free memory was 141.2 MB in the beginning and 5.4 GB in the end (delta: -5.3 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-07-14 20:12:20,013 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 198.2 MB. Free memory is still 180.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 459.84 ms. Allocated memory is still 198.2 MB. Free memory was 161.8 MB in the beginning and 171.6 MB in the end (delta: -9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 36.99 ms. Allocated memory is still 198.2 MB. Free memory was 171.3 MB in the beginning and 169.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 30.65 ms. Allocated memory is still 198.2 MB. Free memory was 169.5 MB in the beginning and 167.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 458.53 ms. Allocated memory is still 198.2 MB. Free memory was 167.8 MB in the beginning and 142.0 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 20021.37 ms. Allocated memory was 198.2 MB in the beginning and 6.4 GB in the end (delta: 6.2 GB). Free memory was 141.2 MB in the beginning and 5.4 GB in the end (delta: -5.3 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1385327, positive: 1346501, positive conditional: 1330499, positive unconditional: 16002, negative: 38826, negative conditional: 38674, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1363352, positive: 1346501, positive conditional: 1330499, positive unconditional: 16002, negative: 16851, negative conditional: 16699, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1363352, positive: 1339579, positive conditional: 0, positive unconditional: 1339579, negative: 23773, negative conditional: 0, negative unconditional: 23773, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2463, positive: 2436, positive conditional: 0, positive unconditional: 2436, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2463, positive: 2424, positive conditional: 0, positive unconditional: 2424, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 36, negative conditional: 9, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 72, positive conditional: 36, positive unconditional: 36, negative: 124, negative conditional: 30, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1363352, positive: 1337143, positive conditional: 0, positive unconditional: 1337143, negative: 23746, negative conditional: 0, negative unconditional: 23746, unknown: 2463, unknown conditional: 0, unknown unconditional: 2463] , Statistics on independence cache: Total cache size (in pairs): 2485, Positive cache size: 2449, Positive conditional cache size: 13, Positive unconditional cache size: 2436, Negative cache size: 36, Negative conditional cache size: 9, Negative unconditional cache size: 27, SemanticConditionEliminator.Independence Queries: [ total: 62681, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 55759, negative conditional: 1628, negative unconditional: 54131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62681, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 55759, negative conditional: 1628, negative unconditional: 54131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 36, negative conditional: 9, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 72, positive conditional: 36, positive unconditional: 36, negative: 124, negative conditional: 30, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62681, positive: 6909, positive conditional: 6909, positive unconditional: 0, negative: 55750, negative conditional: 1619, negative unconditional: 54131, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2485, Positive cache size: 2449, Positive conditional cache size: 13, Positive unconditional cache size: 2436, Negative cache size: 36, Negative conditional cache size: 9, Negative unconditional cache size: 27, Eliminated conditions: 53983, SemanticConditionEliminator.Independence Queries: [ total: 62681, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 55759, negative conditional: 1628, negative unconditional: 54131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62681, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 55759, negative conditional: 1628, negative unconditional: 54131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 36, negative conditional: 9, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 72, positive conditional: 36, positive unconditional: 36, negative: 124, negative conditional: 30, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62681, positive: 6909, positive conditional: 6909, positive unconditional: 0, negative: 55750, negative conditional: 1619, negative unconditional: 54131, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2485, Positive cache size: 2449, Positive conditional cache size: 13, Positive unconditional cache size: 2436, Negative cache size: 36, Negative conditional cache size: 9, Negative unconditional cache size: 27, Eliminated conditions: 53983, SemanticConditionEliminator.Independence Queries: [ total: 62681, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 55759, negative conditional: 1628, negative unconditional: 54131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62681, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 55759, negative conditional: 1628, negative unconditional: 54131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 36, negative conditional: 9, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 72, positive conditional: 36, positive unconditional: 36, negative: 124, negative conditional: 30, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62681, positive: 6909, positive conditional: 6909, positive unconditional: 0, negative: 55750, negative conditional: 1619, negative unconditional: 54131, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2485, Positive cache size: 2449, Positive conditional cache size: 13, Positive unconditional cache size: 2436, Negative cache size: 36, Negative conditional cache size: 9, Negative unconditional cache size: 27, Eliminated conditions: 53983, SemanticConditionEliminator.Independence Queries: [ total: 62681, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 55759, negative conditional: 1628, negative unconditional: 54131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62681, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 55759, negative conditional: 1628, negative unconditional: 54131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 36, negative conditional: 9, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 72, positive conditional: 36, positive unconditional: 36, negative: 124, negative conditional: 30, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62681, positive: 6909, positive conditional: 6909, positive unconditional: 0, negative: 55750, negative conditional: 1619, negative unconditional: 54131, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2485, Positive cache size: 2449, Positive conditional cache size: 13, Positive unconditional cache size: 2436, Negative cache size: 36, Negative conditional cache size: 9, Negative unconditional cache size: 27, Eliminated conditions: 53983 ], Maximal queried relation: 4, Independence queries for same thread: 21975 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1716, Number of persistent set computation: 34032, Number of trivial persistent sets: 31637, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1385327, positive: 1346501, positive conditional: 1330499, positive unconditional: 16002, negative: 38826, negative conditional: 38674, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1363352, positive: 1346501, positive conditional: 1330499, positive unconditional: 16002, negative: 16851, negative conditional: 16699, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1363352, positive: 1339579, positive conditional: 0, positive unconditional: 1339579, negative: 23773, negative conditional: 0, negative unconditional: 23773, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2463, positive: 2436, positive conditional: 0, positive unconditional: 2436, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2463, positive: 2424, positive conditional: 0, positive unconditional: 2424, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 36, negative conditional: 9, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 72, positive conditional: 36, positive unconditional: 36, negative: 124, negative conditional: 30, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1363352, positive: 1337143, positive conditional: 0, positive unconditional: 1337143, negative: 23746, negative conditional: 0, negative unconditional: 23746, unknown: 2463, unknown conditional: 0, unknown unconditional: 2463] , Statistics on independence cache: Total cache size (in pairs): 2485, Positive cache size: 2449, Positive conditional cache size: 13, Positive unconditional cache size: 2436, Negative cache size: 36, Negative conditional cache size: 9, Negative unconditional cache size: 27, SemanticConditionEliminator.Independence Queries: [ total: 62681, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 55759, negative conditional: 1628, negative unconditional: 54131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62681, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 55759, negative conditional: 1628, negative unconditional: 54131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 36, negative conditional: 9, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 72, positive conditional: 36, positive unconditional: 36, negative: 124, negative conditional: 30, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62681, positive: 6909, positive conditional: 6909, positive unconditional: 0, negative: 55750, negative conditional: 1619, negative unconditional: 54131, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2485, Positive cache size: 2449, Positive conditional cache size: 13, Positive unconditional cache size: 2436, Negative cache size: 36, Negative conditional cache size: 9, Negative unconditional cache size: 27, Eliminated conditions: 53983, SemanticConditionEliminator.Independence Queries: [ total: 62681, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 55759, negative conditional: 1628, negative unconditional: 54131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62681, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 55759, negative conditional: 1628, negative unconditional: 54131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 36, negative conditional: 9, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 72, positive conditional: 36, positive unconditional: 36, negative: 124, negative conditional: 30, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62681, positive: 6909, positive conditional: 6909, positive unconditional: 0, negative: 55750, negative conditional: 1619, negative unconditional: 54131, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2485, Positive cache size: 2449, Positive conditional cache size: 13, Positive unconditional cache size: 2436, Negative cache size: 36, Negative conditional cache size: 9, Negative unconditional cache size: 27, Eliminated conditions: 53983, SemanticConditionEliminator.Independence Queries: [ total: 62681, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 55759, negative conditional: 1628, negative unconditional: 54131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62681, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 55759, negative conditional: 1628, negative unconditional: 54131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 36, negative conditional: 9, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 72, positive conditional: 36, positive unconditional: 36, negative: 124, negative conditional: 30, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62681, positive: 6909, positive conditional: 6909, positive unconditional: 0, negative: 55750, negative conditional: 1619, negative unconditional: 54131, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2485, Positive cache size: 2449, Positive conditional cache size: 13, Positive unconditional cache size: 2436, Negative cache size: 36, Negative conditional cache size: 9, Negative unconditional cache size: 27, Eliminated conditions: 53983, SemanticConditionEliminator.Independence Queries: [ total: 62681, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 55759, negative conditional: 1628, negative unconditional: 54131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62681, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 55759, negative conditional: 1628, negative unconditional: 54131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 36, negative conditional: 9, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 72, positive conditional: 36, positive unconditional: 36, negative: 124, negative conditional: 30, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62681, positive: 6909, positive conditional: 6909, positive unconditional: 0, negative: 55750, negative conditional: 1619, negative unconditional: 54131, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2485, Positive cache size: 2449, Positive conditional cache size: 13, Positive unconditional cache size: 2436, Negative cache size: 36, Negative conditional cache size: 9, Negative unconditional cache size: 27, Eliminated conditions: 53983 ], Maximal queried relation: 4, Independence queries for same thread: 21975 - 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 9 procedures, 134 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19875.3ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.5ms, PartialOrderReductionTime: 18896.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 42, 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: 16.4ms SsaConstructionTime, 136.3ms SatisfiabilityAnalysisTime, 609.3ms InterpolantComputationTime, 332 NumberOfCodeBlocks, 332 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 328 ConstructedInterpolants, 0 QuantifiedInterpolants, 1456 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...