/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/safe018_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 12:07:34,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 12:07:34,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 12:07:34,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 12:07:34,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 12:07:34,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 12:07:34,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 12:07:34,079 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 [2021-06-17 12:07:34,108 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 12:07:34,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 12:07:34,109 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 12:07:34,109 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 12:07:34,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 12:07:34,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 12:07:34,111 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 12:07:34,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 12:07:34,111 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 12:07:34,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 12:07:34,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 12:07:34,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 12:07:34,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 12:07:34,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 12:07:34,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 12:07:34,112 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 12:07:34,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 12:07:34,113 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 12:07:34,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 12:07:34,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 12:07:34,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 12:07:34,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 12:07:34,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 12:07:34,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 12:07:34,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 12:07:34,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 12:07:34,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 12:07:34,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 12:07:34,114 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 12:07:34,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 12:07:34,115 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 12:07:34,115 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 12:07:34,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 12:07:34,115 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 12:07:34,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 12:07:34,115 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 12:07:34,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 12:07:34,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 12:07:34,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 12:07:34,458 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-17 12:07:34,459 INFO L275 PluginConnector]: CDTParser initialized [2021-06-17 12:07:34,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_pso.opt.i [2021-06-17 12:07:34,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf1b64410/7f672b5ff4d041158b03ae113d654e9e/FLAG1be201f60 [2021-06-17 12:07:35,045 INFO L306 CDTParser]: Found 1 translation units. [2021-06-17 12:07:35,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_pso.opt.i [2021-06-17 12:07:35,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf1b64410/7f672b5ff4d041158b03ae113d654e9e/FLAG1be201f60 [2021-06-17 12:07:35,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf1b64410/7f672b5ff4d041158b03ae113d654e9e [2021-06-17 12:07:35,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 12:07:35,365 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-17 12:07:35,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-17 12:07:35,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-17 12:07:35,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-17 12:07:35,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 12:07:35" (1/1) ... [2021-06-17 12:07:35,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b942ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:07:35, skipping insertion in model container [2021-06-17 12:07:35,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 12:07:35" (1/1) ... [2021-06-17 12:07:35,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-17 12:07:35,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-17 12:07:35,550 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_pso.opt.i[949,962] [2021-06-17 12:07:35,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 12:07:35,717 INFO L203 MainTranslator]: Completed pre-run [2021-06-17 12:07:35,730 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_pso.opt.i[949,962] [2021-06-17 12:07:35,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 12:07:35,849 INFO L208 MainTranslator]: Completed translation [2021-06-17 12:07:35,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:07:35 WrapperNode [2021-06-17 12:07:35,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-17 12:07:35,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 12:07:35,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 12:07:35,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 12:07:35,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:07:35" (1/1) ... [2021-06-17 12:07:35,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:07:35" (1/1) ... [2021-06-17 12:07:35,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 12:07:35,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 12:07:35,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 12:07:35,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 12:07:35,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:07:35" (1/1) ... [2021-06-17 12:07:35,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:07:35" (1/1) ... [2021-06-17 12:07:35,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:07:35" (1/1) ... [2021-06-17 12:07:35,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:07:35" (1/1) ... [2021-06-17 12:07:35,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:07:35" (1/1) ... [2021-06-17 12:07:35,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:07:35" (1/1) ... [2021-06-17 12:07:35,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:07:35" (1/1) ... [2021-06-17 12:07:35,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 12:07:35,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 12:07:35,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 12:07:35,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 12:07:35,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:07:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 12:07:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-17 12:07:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-17 12:07:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-17 12:07:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-17 12:07:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-17 12:07:36,014 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-17 12:07:36,014 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-17 12:07:36,014 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-17 12:07:36,014 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-17 12:07:36,014 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-17 12:07:36,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-17 12:07:36,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-17 12:07:36,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 12:07:36,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 12:07:36,016 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 12:07:36,410 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 12:07:36,410 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-17 12:07:36,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:07:36 BoogieIcfgContainer [2021-06-17 12:07:36,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 12:07:36,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 12:07:36,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 12:07:36,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 12:07:36,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.06 12:07:35" (1/3) ... [2021-06-17 12:07:36,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd1c81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 12:07:36, skipping insertion in model container [2021-06-17 12:07:36,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:07:35" (2/3) ... [2021-06-17 12:07:36,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd1c81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 12:07:36, skipping insertion in model container [2021-06-17 12:07:36,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:07:36" (3/3) ... [2021-06-17 12:07:36,422 INFO L111 eAbstractionObserver]: Analyzing ICFG safe018_pso.opt.i [2021-06-17 12:07:36,427 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 12:07:36,427 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 12:07:36,428 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 12:07:36,428 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 12:07:36,457 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,457 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,457 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,457 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,458 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,458 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,458 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,458 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,458 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,458 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,459 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,460 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,460 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,460 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,462 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,462 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,467 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,467 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,467 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,468 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,468 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,468 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,469 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,469 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,472 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,473 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,478 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,478 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,479 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,479 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:07:36,483 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-17 12:07:36,502 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 12:07:36,571 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 12:07:36,571 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 12:07:36,571 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 12:07:36,571 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 12:07:36,571 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 12:07:36,571 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 12:07:36,572 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 12:07:36,572 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 12:07:36,762 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 12:07:36,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:07:36,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1144415033, now seen corresponding path program 1 times [2021-06-17 12:07:36,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:07:36,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027865419] [2021-06-17 12:07:36,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:07:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:07:37,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:07:37,118 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:07:37,118 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027865419] [2021-06-17 12:07:37,119 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027865419] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:07:37,120 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:07:37,120 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 12:07:37,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237277756] [2021-06-17 12:07:37,126 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 12:07:37,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:07:37,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 12:07:37,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 12:07:37,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:07:37,146 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:07:37,150 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:07:37,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:07:38,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:07:38,517 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 12:07:38,517 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 12:07:38,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:07:38,520 INFO L82 PathProgramCache]: Analyzing trace with hash 262525070, now seen corresponding path program 1 times [2021-06-17 12:07:38,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:07:38,521 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090461257] [2021-06-17 12:07:38,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:07:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:07:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:07:38,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:07:38,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090461257] [2021-06-17 12:07:38,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090461257] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:07:38,682 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:07:38,683 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 12:07:38,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376647692] [2021-06-17 12:07:38,689 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 12:07:38,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:07:38,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 12:07:38,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 12:07:38,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:07:38,690 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:07:38,691 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) [2021-06-17 12:07:38,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:07:38,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:07:39,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:07:39,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:07:39,873 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 12:07:39,873 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 12:07:39,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:07:39,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1259248570, now seen corresponding path program 2 times [2021-06-17 12:07:39,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:07:39,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79700659] [2021-06-17 12:07:39,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:07:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:07:40,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:07:40,069 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:07:40,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79700659] [2021-06-17 12:07:40,070 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79700659] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:07:40,070 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:07:40,070 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 12:07:40,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726945141] [2021-06-17 12:07:40,071 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 12:07:40,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:07:40,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 12:07:40,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-17 12:07:40,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:07:40,072 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:07:40,072 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) [2021-06-17 12:07:40,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:07:40,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:07:40,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:07:41,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:07:41,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:07:41,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:07:41,060 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-17 12:07:41,061 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 12:07:41,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:07:41,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1374016687, now seen corresponding path program 2 times [2021-06-17 12:07:41,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:07:41,063 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813623124] [2021-06-17 12:07:41,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:07:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:07:41,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:07:41,248 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:07:41,248 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813623124] [2021-06-17 12:07:41,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813623124] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:07:41,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:07:41,249 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-17 12:07:41,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789343470] [2021-06-17 12:07:41,249 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 12:07:41,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:07:41,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 12:07:41,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-17 12:07:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:07:41,250 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:07:41,251 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:07:41,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:07:41,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:07:41,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:07:41,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:07:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:07:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:07:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:07:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:07:42,275 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-17 12:07:42,284 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 12:07:42,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 12:07:42 BasicIcfg [2021-06-17 12:07:42,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 12:07:42,287 INFO L168 Benchmark]: Toolchain (without parser) took 6921.23 ms. Allocated memory was 190.8 MB in the beginning and 426.8 MB in the end (delta: 235.9 MB). Free memory was 154.8 MB in the beginning and 182.7 MB in the end (delta: -27.9 MB). Peak memory consumption was 270.4 MB. Max. memory is 8.0 GB. [2021-06-17 12:07:42,287 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 190.8 MB. Free memory is still 172.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 12:07:42,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.87 ms. Allocated memory is still 190.8 MB. Free memory was 154.6 MB in the beginning and 153.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-17 12:07:42,288 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.80 ms. Allocated memory is still 190.8 MB. Free memory was 153.2 MB in the beginning and 151.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 12:07:42,288 INFO L168 Benchmark]: Boogie Preprocessor took 17.24 ms. Allocated memory is still 190.8 MB. Free memory was 151.1 MB in the beginning and 149.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 12:07:42,289 INFO L168 Benchmark]: RCFGBuilder took 485.98 ms. Allocated memory is still 190.8 MB. Free memory was 149.6 MB in the beginning and 126.0 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-06-17 12:07:42,289 INFO L168 Benchmark]: TraceAbstraction took 5869.46 ms. Allocated memory was 190.8 MB in the beginning and 426.8 MB in the end (delta: 235.9 MB). Free memory was 125.4 MB in the beginning and 182.7 MB in the end (delta: -57.3 MB). Peak memory consumption was 241.0 MB. Max. memory is 8.0 GB. [2021-06-17 12:07:42,291 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 190.8 MB. Free memory is still 172.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 482.87 ms. Allocated memory is still 190.8 MB. Free memory was 154.6 MB in the beginning and 153.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 58.80 ms. Allocated memory is still 190.8 MB. Free memory was 153.2 MB in the beginning and 151.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.24 ms. Allocated memory is still 190.8 MB. Free memory was 151.1 MB in the beginning and 149.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 485.98 ms. Allocated memory is still 190.8 MB. Free memory was 149.6 MB in the beginning and 126.0 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5869.46 ms. Allocated memory was 190.8 MB in the beginning and 426.8 MB in the end (delta: 235.9 MB). Free memory was 125.4 MB in the beginning and 182.7 MB in the end (delta: -57.3 MB). Peak memory consumption was 241.0 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: 83707, positive: 79962, positive conditional: 75207, positive unconditional: 4755, negative: 3745, negative conditional: 3690, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 80543, positive: 79962, positive conditional: 75207, positive unconditional: 4755, negative: 581, negative conditional: 526, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 80543, positive: 79556, positive conditional: 0, positive unconditional: 79556, negative: 987, negative conditional: 0, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1310, positive: 1292, positive conditional: 0, positive unconditional: 1292, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1310, positive: 1286, positive conditional: 0, positive unconditional: 1286, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 26, negative conditional: 8, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 132, positive: 47, positive conditional: 21, positive unconditional: 26, negative: 85, negative conditional: 11, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 80543, positive: 78264, positive conditional: 0, positive unconditional: 78264, negative: 969, negative conditional: 0, negative unconditional: 969, unknown: 1310, unknown conditional: 0, unknown unconditional: 1310] , Statistics on independence cache: Total cache size (in pairs): 1331, Positive cache size: 1305, Positive conditional cache size: 13, Positive unconditional cache size: 1292, Negative cache size: 26, Negative conditional cache size: 8, Negative unconditional cache size: 18, SemanticConditionEliminator.Independence Queries: [ total: 2247, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1841, negative conditional: 193, negative unconditional: 1648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2247, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1841, negative conditional: 193, negative unconditional: 1648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 26, negative conditional: 8, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 132, positive: 47, positive conditional: 21, positive unconditional: 26, negative: 85, negative conditional: 11, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2247, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1833, negative conditional: 185, negative unconditional: 1648, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1331, Positive cache size: 1305, Positive conditional cache size: 13, Positive unconditional cache size: 1292, Negative cache size: 26, Negative conditional cache size: 8, Negative unconditional cache size: 18, Eliminated conditions: 1599, SemanticConditionEliminator.Independence Queries: [ total: 2247, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1841, negative conditional: 193, negative unconditional: 1648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2247, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1841, negative conditional: 193, negative unconditional: 1648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 26, negative conditional: 8, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 132, positive: 47, positive conditional: 21, positive unconditional: 26, negative: 85, negative conditional: 11, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2247, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1833, negative conditional: 185, negative unconditional: 1648, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1331, Positive cache size: 1305, Positive conditional cache size: 13, Positive unconditional cache size: 1292, Negative cache size: 26, Negative conditional cache size: 8, Negative unconditional cache size: 18, Eliminated conditions: 1599, SemanticConditionEliminator.Independence Queries: [ total: 2247, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1841, negative conditional: 193, negative unconditional: 1648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2247, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1841, negative conditional: 193, negative unconditional: 1648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 26, negative conditional: 8, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 132, positive: 47, positive conditional: 21, positive unconditional: 26, negative: 85, negative conditional: 11, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2247, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1833, negative conditional: 185, negative unconditional: 1648, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1331, Positive cache size: 1305, Positive conditional cache size: 13, Positive unconditional cache size: 1292, Negative cache size: 26, Negative conditional cache size: 8, Negative unconditional cache size: 18, Eliminated conditions: 1599, SemanticConditionEliminator.Independence Queries: [ total: 2247, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1841, negative conditional: 193, negative unconditional: 1648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2247, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1841, negative conditional: 193, negative unconditional: 1648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 26, negative conditional: 8, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 132, positive: 47, positive conditional: 21, positive unconditional: 26, negative: 85, negative conditional: 11, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2247, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1833, negative conditional: 185, negative unconditional: 1648, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1331, Positive cache size: 1305, Positive conditional cache size: 13, Positive unconditional cache size: 1292, Negative cache size: 26, Negative conditional cache size: 8, Negative unconditional cache size: 18, Eliminated conditions: 1599 ], Maximal queried relation: 4, Independence queries for same thread: 3164 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 2458, Number of persistent set computation: 46544, Number of trivial persistent sets: 38432, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 83707, positive: 79962, positive conditional: 75207, positive unconditional: 4755, negative: 3745, negative conditional: 3690, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 80543, positive: 79962, positive conditional: 75207, positive unconditional: 4755, negative: 581, negative conditional: 526, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 80543, positive: 79556, positive conditional: 0, positive unconditional: 79556, negative: 987, negative conditional: 0, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1310, positive: 1292, positive conditional: 0, positive unconditional: 1292, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1310, positive: 1286, positive conditional: 0, positive unconditional: 1286, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 26, negative conditional: 8, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 132, positive: 47, positive conditional: 21, positive unconditional: 26, negative: 85, negative conditional: 11, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 80543, positive: 78264, positive conditional: 0, positive unconditional: 78264, negative: 969, negative conditional: 0, negative unconditional: 969, unknown: 1310, unknown conditional: 0, unknown unconditional: 1310] , Statistics on independence cache: Total cache size (in pairs): 1331, Positive cache size: 1305, Positive conditional cache size: 13, Positive unconditional cache size: 1292, Negative cache size: 26, Negative conditional cache size: 8, Negative unconditional cache size: 18, SemanticConditionEliminator.Independence Queries: [ total: 2247, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1841, negative conditional: 193, negative unconditional: 1648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2247, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1841, negative conditional: 193, negative unconditional: 1648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 26, negative conditional: 8, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 132, positive: 47, positive conditional: 21, positive unconditional: 26, negative: 85, negative conditional: 11, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2247, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1833, negative conditional: 185, negative unconditional: 1648, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1331, Positive cache size: 1305, Positive conditional cache size: 13, Positive unconditional cache size: 1292, Negative cache size: 26, Negative conditional cache size: 8, Negative unconditional cache size: 18, Eliminated conditions: 1599, SemanticConditionEliminator.Independence Queries: [ total: 2247, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1841, negative conditional: 193, negative unconditional: 1648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2247, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1841, negative conditional: 193, negative unconditional: 1648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 26, negative conditional: 8, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 132, positive: 47, positive conditional: 21, positive unconditional: 26, negative: 85, negative conditional: 11, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2247, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1833, negative conditional: 185, negative unconditional: 1648, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1331, Positive cache size: 1305, Positive conditional cache size: 13, Positive unconditional cache size: 1292, Negative cache size: 26, Negative conditional cache size: 8, Negative unconditional cache size: 18, Eliminated conditions: 1599, SemanticConditionEliminator.Independence Queries: [ total: 2247, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1841, negative conditional: 193, negative unconditional: 1648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2247, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1841, negative conditional: 193, negative unconditional: 1648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 26, negative conditional: 8, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 132, positive: 47, positive conditional: 21, positive unconditional: 26, negative: 85, negative conditional: 11, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2247, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1833, negative conditional: 185, negative unconditional: 1648, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1331, Positive cache size: 1305, Positive conditional cache size: 13, Positive unconditional cache size: 1292, Negative cache size: 26, Negative conditional cache size: 8, Negative unconditional cache size: 18, Eliminated conditions: 1599, SemanticConditionEliminator.Independence Queries: [ total: 2247, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1841, negative conditional: 193, negative unconditional: 1648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2247, positive: 406, positive conditional: 406, positive unconditional: 0, negative: 1841, negative conditional: 193, negative unconditional: 1648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 26, negative conditional: 8, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 132, positive: 47, positive conditional: 21, positive unconditional: 26, negative: 85, negative conditional: 11, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2247, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1833, negative conditional: 185, negative unconditional: 1648, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1331, Positive cache size: 1305, Positive conditional cache size: 13, Positive unconditional cache size: 1292, Negative cache size: 26, Negative conditional cache size: 8, Negative unconditional cache size: 18, Eliminated conditions: 1599 ], 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: 5754.2ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.9ms, PartialOrderReductionTime: 4734.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 40, 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: 24.8ms SsaConstructionTime, 159.0ms SatisfiabilityAnalysisTime, 600.3ms InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 867 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...