/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe001_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 18:24:26,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 18:24:26,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 18:24:26,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 18:24:26,907 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-06-14 18:24:26,943 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 18:24:26,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 18:24:26,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 18:24:26,944 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 18:24:26,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 18:24:26,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 18:24:26,946 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 18:24:26,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 18:24:26,947 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 18:24:26,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 18:24:26,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 18:24:26,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 18:24:26,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 18:24:26,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 18:24:26,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 18:24:26,948 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 18:24:26,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 18:24:26,949 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 18:24:26,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 18:24:26,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 18:24:26,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 18:24:26,949 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 18:24:26,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 18:24:26,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 18:24:26,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 18:24:26,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 18:24:26,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 18:24:26,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 18:24:26,950 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-14 18:24:26,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 18:24:26,950 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 18:24:26,950 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 18:24:26,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 18:24:26,951 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-14 18:24:26,951 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 18:24:27,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 18:24:27,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 18:24:27,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 18:24:27,293 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-14 18:24:27,293 INFO L275 PluginConnector]: CDTParser initialized [2021-06-14 18:24:27,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe001_tso.oepc.i [2021-06-14 18:24:27,362 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d59c3e813/600140d30d424afa961604db2a8fb6ab/FLAG870621450 [2021-06-14 18:24:27,815 INFO L306 CDTParser]: Found 1 translation units. [2021-06-14 18:24:27,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe001_tso.oepc.i [2021-06-14 18:24:27,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d59c3e813/600140d30d424afa961604db2a8fb6ab/FLAG870621450 [2021-06-14 18:24:27,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d59c3e813/600140d30d424afa961604db2a8fb6ab [2021-06-14 18:24:27,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 18:24:27,844 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-14 18:24:27,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-14 18:24:27,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-14 18:24:27,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-14 18:24:27,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 06:24:27" (1/1) ... [2021-06-14 18:24:27,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@823832b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:24:27, skipping insertion in model container [2021-06-14 18:24:27,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 06:24:27" (1/1) ... [2021-06-14 18:24:27,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-14 18:24:27,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-14 18:24:28,003 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/safe001_tso.oepc.i[950,963] [2021-06-14 18:24:28,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 18:24:28,213 INFO L203 MainTranslator]: Completed pre-run [2021-06-14 18:24:28,225 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/safe001_tso.oepc.i[950,963] [2021-06-14 18:24:28,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 18:24:28,335 INFO L208 MainTranslator]: Completed translation [2021-06-14 18:24:28,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:24:28 WrapperNode [2021-06-14 18:24:28,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-14 18:24:28,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 18:24:28,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 18:24:28,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 18:24:28,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:24:28" (1/1) ... [2021-06-14 18:24:28,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:24:28" (1/1) ... [2021-06-14 18:24:28,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 18:24:28,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 18:24:28,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 18:24:28,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 18:24:28,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:24:28" (1/1) ... [2021-06-14 18:24:28,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:24:28" (1/1) ... [2021-06-14 18:24:28,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:24:28" (1/1) ... [2021-06-14 18:24:28,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:24:28" (1/1) ... [2021-06-14 18:24:28,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:24:28" (1/1) ... [2021-06-14 18:24:28,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:24:28" (1/1) ... [2021-06-14 18:24:28,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:24:28" (1/1) ... [2021-06-14 18:24:28,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 18:24:28,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 18:24:28,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 18:24:28,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 18:24:28,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:24:28" (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 [2021-06-14 18:24:28,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-14 18:24:28,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-14 18:24:28,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-14 18:24:28,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-14 18:24:28,491 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-14 18:24:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-14 18:24:28,491 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-14 18:24:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-14 18:24:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-14 18:24:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-14 18:24:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-14 18:24:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-14 18:24:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 18:24:28,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 18:24:28,497 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 18:24:28,887 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 18:24:28,888 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-14 18:24:28,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 06:24:28 BoogieIcfgContainer [2021-06-14 18:24:28,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 18:24:28,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 18:24:28,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 18:24:28,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 18:24:28,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 06:24:27" (1/3) ... [2021-06-14 18:24:28,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690f70e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 06:24:28, skipping insertion in model container [2021-06-14 18:24:28,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:24:28" (2/3) ... [2021-06-14 18:24:28,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690f70e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 06:24:28, skipping insertion in model container [2021-06-14 18:24:28,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 06:24:28" (3/3) ... [2021-06-14 18:24:28,895 INFO L111 eAbstractionObserver]: Analyzing ICFG safe001_tso.oepc.i [2021-06-14 18:24:28,902 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 18:24:28,902 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 18:24:28,902 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 18:24:28,903 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 18:24:28,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,939 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,939 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,940 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,940 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,942 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,942 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,943 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,944 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,944 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,944 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,950 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,950 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,951 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,951 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,954 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,955 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,955 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,955 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,959 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,960 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,960 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,962 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,963 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:24:28,966 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-14 18:24:28,984 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 [2021-06-14 18:24:29,065 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 18:24:29,065 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 18:24:29,065 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 18:24:29,065 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 18:24:29,065 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 18:24:29,065 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 18:24:29,066 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 18:24:29,066 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 18:24:29,245 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 18:24:29,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 18:24:29,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1901562764, now seen corresponding path program 1 times [2021-06-14 18:24:29,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 18:24:29,256 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113800136] [2021-06-14 18:24:29,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 18:24:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 18:24:29,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 18:24:29,423 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 18:24:29,424 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113800136] [2021-06-14 18:24:29,424 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113800136] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 18:24:29,425 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 18:24:29,425 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 18:24:29,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045486153] [2021-06-14 18:24:29,432 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-14 18:24:29,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 18:24:29,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-14 18:24:29,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-14 18:24:29,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:24:29,448 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 18:24:29,455 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 18:24:29,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:24:29,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:24:29,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 18:24:29,500 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 18:24:29,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 18:24:29,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1068172096, now seen corresponding path program 1 times [2021-06-14 18:24:29,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 18:24:29,505 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742325054] [2021-06-14 18:24:29,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 18:24:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 18:24:29,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 18:24:29,787 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 18:24:29,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742325054] [2021-06-14 18:24:29,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742325054] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 18:24:29,791 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 18:24:29,791 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-14 18:24:29,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300120053] [2021-06-14 18:24:29,793 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-14 18:24:29,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 18:24:29,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-14 18:24:29,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-14 18:24:29,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:24:29,797 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 18:24:29,798 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) [2021-06-14 18:24:29,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:24:29,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:24:31,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:24:31,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 18:24:31,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-14 18:24:31,032 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 18:24:31,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 18:24:31,039 INFO L82 PathProgramCache]: Analyzing trace with hash 275169196, now seen corresponding path program 2 times [2021-06-14 18:24:31,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 18:24:31,040 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278770744] [2021-06-14 18:24:31,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 18:24:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 18:24:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 18:24:31,219 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 18:24:31,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278770744] [2021-06-14 18:24:31,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278770744] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 18:24:31,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 18:24:31,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-14 18:24:31,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099542282] [2021-06-14 18:24:31,220 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-14 18:24:31,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 18:24:31,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-14 18:24:31,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-14 18:24:31,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:24:31,221 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 18:24:31,221 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) [2021-06-14 18:24:31,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:24:31,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 18:24:31,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:24:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:24:32,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 18:24:32,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 18:24:32,667 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-14 18:24:32,667 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 18:24:32,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 18:24:32,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1551961968, now seen corresponding path program 3 times [2021-06-14 18:24:32,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 18:24:32,669 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658019639] [2021-06-14 18:24:32,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 18:24:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 18:24:32,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 18:24:32,817 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 18:24:32,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658019639] [2021-06-14 18:24:32,817 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658019639] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 18:24:32,817 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 18:24:32,818 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-14 18:24:32,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494259808] [2021-06-14 18:24:32,819 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-14 18:24:32,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 18:24:32,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-14 18:24:32,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-14 18:24:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:24:32,821 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 18:24:32,821 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) [2021-06-14 18:24:32,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:24:32,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 18:24:32,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 18:24:32,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:24:34,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:24:34,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 18:24:34,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 18:24:34,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 18:24:34,258 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-14 18:24:34,271 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 18:24:34,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 06:24:34 BasicIcfg [2021-06-14 18:24:34,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 18:24:34,273 INFO L168 Benchmark]: Toolchain (without parser) took 6429.22 ms. Allocated memory was 206.6 MB in the beginning and 346.0 MB in the end (delta: 139.5 MB). Free memory was 168.4 MB in the beginning and 136.8 MB in the end (delta: 31.6 MB). Peak memory consumption was 173.7 MB. Max. memory is 8.0 GB. [2021-06-14 18:24:34,274 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 206.6 MB. Free memory is still 186.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 18:24:34,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.76 ms. Allocated memory is still 206.6 MB. Free memory was 168.2 MB in the beginning and 167.8 MB in the end (delta: 475.2 kB). Peak memory consumption was 14.3 MB. Max. memory is 8.0 GB. [2021-06-14 18:24:34,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.77 ms. Allocated memory is still 206.6 MB. Free memory was 167.8 MB in the beginning and 165.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-14 18:24:34,275 INFO L168 Benchmark]: Boogie Preprocessor took 30.32 ms. Allocated memory is still 206.6 MB. Free memory was 165.7 MB in the beginning and 164.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 18:24:34,275 INFO L168 Benchmark]: RCFGBuilder took 477.35 ms. Allocated memory is still 206.6 MB. Free memory was 164.1 MB in the beginning and 140.5 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-06-14 18:24:34,275 INFO L168 Benchmark]: TraceAbstraction took 5381.82 ms. Allocated memory was 206.6 MB in the beginning and 346.0 MB in the end (delta: 139.5 MB). Free memory was 140.5 MB in the beginning and 136.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 144.7 MB. Max. memory is 8.0 GB. [2021-06-14 18:24:34,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 206.6 MB. Free memory is still 186.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 490.76 ms. Allocated memory is still 206.6 MB. Free memory was 168.2 MB in the beginning and 167.8 MB in the end (delta: 475.2 kB). Peak memory consumption was 14.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 43.77 ms. Allocated memory is still 206.6 MB. Free memory was 167.8 MB in the beginning and 165.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 30.32 ms. Allocated memory is still 206.6 MB. Free memory was 165.7 MB in the beginning and 164.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 477.35 ms. Allocated memory is still 206.6 MB. Free memory was 164.1 MB in the beginning and 140.5 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5381.82 ms. Allocated memory was 206.6 MB in the beginning and 346.0 MB in the end (delta: 139.5 MB). Free memory was 140.5 MB in the beginning and 136.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 144.7 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: 68693, positive: 65249, positive conditional: 58204, positive unconditional: 7045, negative: 3444, negative conditional: 3318, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 65906, positive: 65249, positive conditional: 58204, positive unconditional: 7045, negative: 657, negative conditional: 531, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 65906, positive: 64518, positive conditional: 0, positive unconditional: 64518, negative: 1388, negative conditional: 0, negative unconditional: 1388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1132, positive: 1111, positive conditional: 0, positive unconditional: 1111, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1132, positive: 1105, positive conditional: 0, positive unconditional: 1105, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 33, negative conditional: 12, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 163, positive: 70, positive conditional: 54, positive unconditional: 16, negative: 93, negative conditional: 16, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 65906, positive: 63407, positive conditional: 0, positive unconditional: 63407, negative: 1367, negative conditional: 0, negative unconditional: 1367, unknown: 1132, unknown conditional: 0, unknown unconditional: 1132] , Statistics on independence cache: Total cache size (in pairs): 1170, Positive cache size: 1137, Positive conditional cache size: 26, Positive unconditional cache size: 1111, Negative cache size: 33, Negative conditional cache size: 12, Negative unconditional cache size: 21, SemanticConditionEliminator.Independence Queries: [ total: 3807, positive: 731, positive conditional: 731, positive unconditional: 0, negative: 3076, negative conditional: 169, negative unconditional: 2907, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3807, positive: 731, positive conditional: 731, positive unconditional: 0, negative: 3076, negative conditional: 169, negative unconditional: 2907, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 33, negative conditional: 12, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 163, positive: 70, positive conditional: 54, positive unconditional: 16, negative: 93, negative conditional: 16, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3807, positive: 705, positive conditional: 705, positive unconditional: 0, negative: 3064, negative conditional: 157, negative unconditional: 2907, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1170, Positive cache size: 1137, Positive conditional cache size: 26, Positive unconditional cache size: 1111, Negative cache size: 33, Negative conditional cache size: 12, Negative unconditional cache size: 21, Eliminated conditions: 2660, SemanticConditionEliminator.Independence Queries: [ total: 3807, positive: 731, positive conditional: 731, positive unconditional: 0, negative: 3076, negative conditional: 169, negative unconditional: 2907, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3807, positive: 731, positive conditional: 731, positive unconditional: 0, negative: 3076, negative conditional: 169, negative unconditional: 2907, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 33, negative conditional: 12, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 163, positive: 70, positive conditional: 54, positive unconditional: 16, negative: 93, negative conditional: 16, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3807, positive: 705, positive conditional: 705, positive unconditional: 0, negative: 3064, negative conditional: 157, negative unconditional: 2907, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1170, Positive cache size: 1137, Positive conditional cache size: 26, Positive unconditional cache size: 1111, Negative cache size: 33, Negative conditional cache size: 12, Negative unconditional cache size: 21, Eliminated conditions: 2660, SemanticConditionEliminator.Independence Queries: [ total: 3807, positive: 731, positive conditional: 731, positive unconditional: 0, negative: 3076, negative conditional: 169, negative unconditional: 2907, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3807, positive: 731, positive conditional: 731, positive unconditional: 0, negative: 3076, negative conditional: 169, negative unconditional: 2907, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 33, negative conditional: 12, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 163, positive: 70, positive conditional: 54, positive unconditional: 16, negative: 93, negative conditional: 16, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3807, positive: 705, positive conditional: 705, positive unconditional: 0, negative: 3064, negative conditional: 157, negative unconditional: 2907, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1170, Positive cache size: 1137, Positive conditional cache size: 26, Positive unconditional cache size: 1111, Negative cache size: 33, Negative conditional cache size: 12, Negative unconditional cache size: 21, Eliminated conditions: 2660, SemanticConditionEliminator.Independence Queries: [ total: 3807, positive: 731, positive conditional: 731, positive unconditional: 0, negative: 3076, negative conditional: 169, negative unconditional: 2907, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3807, positive: 731, positive conditional: 731, positive unconditional: 0, negative: 3076, negative conditional: 169, negative unconditional: 2907, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 33, negative conditional: 12, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 163, positive: 70, positive conditional: 54, positive unconditional: 16, negative: 93, negative conditional: 16, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3807, positive: 705, positive conditional: 705, positive unconditional: 0, negative: 3064, negative conditional: 157, negative unconditional: 2907, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1170, Positive cache size: 1137, Positive conditional cache size: 26, Positive unconditional cache size: 1111, Negative cache size: 33, Negative conditional cache size: 12, Negative unconditional cache size: 21, Eliminated conditions: 2660 ], Maximal queried relation: 4, Independence queries for same thread: 2787 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1896, Number of persistent set computation: 37902, Number of trivial persistent sets: 34250, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 68693, positive: 65249, positive conditional: 58204, positive unconditional: 7045, negative: 3444, negative conditional: 3318, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 65906, positive: 65249, positive conditional: 58204, positive unconditional: 7045, negative: 657, negative conditional: 531, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 65906, positive: 64518, positive conditional: 0, positive unconditional: 64518, negative: 1388, negative conditional: 0, negative unconditional: 1388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1132, positive: 1111, positive conditional: 0, positive unconditional: 1111, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1132, positive: 1105, positive conditional: 0, positive unconditional: 1105, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 33, negative conditional: 12, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 163, positive: 70, positive conditional: 54, positive unconditional: 16, negative: 93, negative conditional: 16, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 65906, positive: 63407, positive conditional: 0, positive unconditional: 63407, negative: 1367, negative conditional: 0, negative unconditional: 1367, unknown: 1132, unknown conditional: 0, unknown unconditional: 1132] , Statistics on independence cache: Total cache size (in pairs): 1170, Positive cache size: 1137, Positive conditional cache size: 26, Positive unconditional cache size: 1111, Negative cache size: 33, Negative conditional cache size: 12, Negative unconditional cache size: 21, SemanticConditionEliminator.Independence Queries: [ total: 3807, positive: 731, positive conditional: 731, positive unconditional: 0, negative: 3076, negative conditional: 169, negative unconditional: 2907, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3807, positive: 731, positive conditional: 731, positive unconditional: 0, negative: 3076, negative conditional: 169, negative unconditional: 2907, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 33, negative conditional: 12, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 163, positive: 70, positive conditional: 54, positive unconditional: 16, negative: 93, negative conditional: 16, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3807, positive: 705, positive conditional: 705, positive unconditional: 0, negative: 3064, negative conditional: 157, negative unconditional: 2907, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1170, Positive cache size: 1137, Positive conditional cache size: 26, Positive unconditional cache size: 1111, Negative cache size: 33, Negative conditional cache size: 12, Negative unconditional cache size: 21, Eliminated conditions: 2660, SemanticConditionEliminator.Independence Queries: [ total: 3807, positive: 731, positive conditional: 731, positive unconditional: 0, negative: 3076, negative conditional: 169, negative unconditional: 2907, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3807, positive: 731, positive conditional: 731, positive unconditional: 0, negative: 3076, negative conditional: 169, negative unconditional: 2907, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 33, negative conditional: 12, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 163, positive: 70, positive conditional: 54, positive unconditional: 16, negative: 93, negative conditional: 16, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3807, positive: 705, positive conditional: 705, positive unconditional: 0, negative: 3064, negative conditional: 157, negative unconditional: 2907, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1170, Positive cache size: 1137, Positive conditional cache size: 26, Positive unconditional cache size: 1111, Negative cache size: 33, Negative conditional cache size: 12, Negative unconditional cache size: 21, Eliminated conditions: 2660, SemanticConditionEliminator.Independence Queries: [ total: 3807, positive: 731, positive conditional: 731, positive unconditional: 0, negative: 3076, negative conditional: 169, negative unconditional: 2907, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3807, positive: 731, positive conditional: 731, positive unconditional: 0, negative: 3076, negative conditional: 169, negative unconditional: 2907, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 33, negative conditional: 12, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 163, positive: 70, positive conditional: 54, positive unconditional: 16, negative: 93, negative conditional: 16, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3807, positive: 705, positive conditional: 705, positive unconditional: 0, negative: 3064, negative conditional: 157, negative unconditional: 2907, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1170, Positive cache size: 1137, Positive conditional cache size: 26, Positive unconditional cache size: 1111, Negative cache size: 33, Negative conditional cache size: 12, Negative unconditional cache size: 21, Eliminated conditions: 2660, SemanticConditionEliminator.Independence Queries: [ total: 3807, positive: 731, positive conditional: 731, positive unconditional: 0, negative: 3076, negative conditional: 169, negative unconditional: 2907, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3807, positive: 731, positive conditional: 731, positive unconditional: 0, negative: 3076, negative conditional: 169, negative unconditional: 2907, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 33, negative conditional: 12, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 163, positive: 70, positive conditional: 54, positive unconditional: 16, negative: 93, negative conditional: 16, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3807, positive: 705, positive conditional: 705, positive unconditional: 0, negative: 3064, negative conditional: 157, negative unconditional: 2907, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1170, Positive cache size: 1137, Positive conditional cache size: 26, Positive unconditional cache size: 1111, Negative cache size: 33, Negative conditional cache size: 12, Negative unconditional cache size: 21, Eliminated conditions: 2660 ], Maximal queried relation: 4, Independence queries for same thread: 2787 - 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, 106 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5257.1ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.3ms, PartialOrderReductionTime: 4322.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 50, 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: 16.6ms SsaConstructionTime, 138.2ms SatisfiabilityAnalysisTime, 530.4ms InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 861 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...