/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/safe017_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 20:09:10,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 20:09:10,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 20:09:10,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 20:09:10,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-07-14 20:09:10,333 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 20:09:10,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 20:09:10,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 20:09:10,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 20:09:10,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 20:09:10,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 20:09:10,336 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 20:09:10,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 20:09:10,336 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 20:09:10,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 20:09:10,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 20:09:10,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 20:09:10,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 20:09:10,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 20:09:10,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 20:09:10,338 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 20:09:10,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 20:09:10,338 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 20:09:10,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 20:09:10,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 20:09:10,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 20:09:10,338 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 20:09:10,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 20:09:10,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 20:09:10,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 20:09:10,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 20:09:10,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 20:09:10,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 20:09:10,339 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 20:09:10,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 20:09:10,339 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 20:09:10,339 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 20:09:10,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 20:09:10,340 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 20:09:10,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 20:09:10,340 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 20:09:10,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 20:09:10,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 20:09:10,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 20:09:10,572 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 20:09:10,572 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 20:09:10,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe017_tso.opt.i [2021-07-14 20:09:10,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3455aac6/80a38a85373d4128899648a267ab0f4d/FLAGadde3667f [2021-07-14 20:09:11,013 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 20:09:11,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe017_tso.opt.i [2021-07-14 20:09:11,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3455aac6/80a38a85373d4128899648a267ab0f4d/FLAGadde3667f [2021-07-14 20:09:11,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3455aac6/80a38a85373d4128899648a267ab0f4d [2021-07-14 20:09:11,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 20:09:11,369 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 20:09:11,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 20:09:11,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 20:09:11,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 20:09:11,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 08:09:11" (1/1) ... [2021-07-14 20:09:11,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fedd99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:09:11, skipping insertion in model container [2021-07-14 20:09:11,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 08:09:11" (1/1) ... [2021-07-14 20:09:11,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 20:09:11,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 20:09:11,528 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/safe017_tso.opt.i[949,962] [2021-07-14 20:09:11,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 20:09:11,660 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 20:09:11,672 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/safe017_tso.opt.i[949,962] [2021-07-14 20:09:11,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 20:09:11,732 INFO L208 MainTranslator]: Completed translation [2021-07-14 20:09:11,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:09:11 WrapperNode [2021-07-14 20:09:11,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 20:09:11,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 20:09:11,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 20:09:11,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 20:09:11,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:09:11" (1/1) ... [2021-07-14 20:09:11,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:09:11" (1/1) ... [2021-07-14 20:09:11,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 20:09:11,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 20:09:11,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 20:09:11,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 20:09:11,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:09:11" (1/1) ... [2021-07-14 20:09:11,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:09:11" (1/1) ... [2021-07-14 20:09:11,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:09:11" (1/1) ... [2021-07-14 20:09:11,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:09:11" (1/1) ... [2021-07-14 20:09:11,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:09:11" (1/1) ... [2021-07-14 20:09:11,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:09:11" (1/1) ... [2021-07-14 20:09:11,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:09:11" (1/1) ... [2021-07-14 20:09:11,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 20:09:11,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 20:09:11,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 20:09:11,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 20:09:11,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:09:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 20:09:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 20:09:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 20:09:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 20:09:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 20:09:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-14 20:09:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-14 20:09:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-14 20:09:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-14 20:09:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-14 20:09:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-14 20:09:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 20:09:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 20:09:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 20:09:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 20:09:11,858 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 20:09:12,135 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 20:09:12,135 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-14 20:09:12,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:09:12 BoogieIcfgContainer [2021-07-14 20:09:12,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 20:09:12,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 20:09:12,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 20:09:12,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 20:09:12,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 08:09:11" (1/3) ... [2021-07-14 20:09:12,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126c40ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:09:12, skipping insertion in model container [2021-07-14 20:09:12,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:09:11" (2/3) ... [2021-07-14 20:09:12,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126c40ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:09:12, skipping insertion in model container [2021-07-14 20:09:12,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:09:12" (3/3) ... [2021-07-14 20:09:12,142 INFO L111 eAbstractionObserver]: Analyzing ICFG safe017_tso.opt.i [2021-07-14 20:09:12,146 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 20:09:12,146 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 20:09:12,146 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 20:09:12,146 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 20:09:12,165 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,165 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,165 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,165 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,166 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,166 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,166 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,166 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,166 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,166 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,166 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,167 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,167 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,167 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,167 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,168 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,169 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,169 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,169 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,169 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,171 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,171 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,175 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,175 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,175 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,175 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,177 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,177 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:09:12,178 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 20:09:12,194 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 [2021-07-14 20:09:12,239 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 20:09:12,239 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 20:09:12,239 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 20:09:12,239 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 20:09:12,239 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 20:09:12,239 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 20:09:12,240 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 20:09:12,240 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 20:09:12,421 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 20:09:12,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:09:12,425 INFO L82 PathProgramCache]: Analyzing trace with hash -781496391, now seen corresponding path program 1 times [2021-07-14 20:09:12,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:09:12,431 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002017034] [2021-07-14 20:09:12,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:09:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:09:12,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:09:12,697 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:09:12,697 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002017034] [2021-07-14 20:09:12,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002017034] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:09:12,698 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:09:12,698 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 20:09:12,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719853278] [2021-07-14 20:09:12,701 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 20:09:12,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:09:12,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 20:09:12,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-14 20:09:12,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:09:12,713 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:09:12,714 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 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) [2021-07-14 20:09:12,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:09:13,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:09:13,075 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 20:09:13,075 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 20:09:13,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:09:13,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1330780531, now seen corresponding path program 1 times [2021-07-14 20:09:13,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:09:13,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369799991] [2021-07-14 20:09:13,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:09:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:09:13,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:09:13,220 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:09:13,220 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369799991] [2021-07-14 20:09:13,220 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369799991] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:09:13,221 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:09:13,221 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 20:09:13,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725916841] [2021-07-14 20:09:13,222 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 20:09:13,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:09:13,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 20:09:13,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-14 20:09:13,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:09:13,225 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:09:13,228 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:09:13,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:09:13,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:09:13,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:09:13,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:09:13,754 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 20:09:13,754 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 20:09:13,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:09:13,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1449517715, now seen corresponding path program 2 times [2021-07-14 20:09:13,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:09:13,755 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157709463] [2021-07-14 20:09:13,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:09:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:09:13,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:09:13,858 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:09:13,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157709463] [2021-07-14 20:09:13,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157709463] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:09:13,859 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:09:13,859 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 20:09:13,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253956813] [2021-07-14 20:09:13,859 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 20:09:13,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:09:13,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 20:09:13,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 20:09:13,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:09:13,860 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:09:13,860 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 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) [2021-07-14 20:09:13,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:09:13,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:09:13,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:09:14,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:09:14,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:09:14,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:09:14,065 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 20:09:14,065 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 20:09:14,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:09:14,066 INFO L82 PathProgramCache]: Analyzing trace with hash -525021309, now seen corresponding path program 3 times [2021-07-14 20:09:14,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:09:14,067 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686747431] [2021-07-14 20:09:14,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:09:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:09:14,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:09:14,227 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:09:14,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686747431] [2021-07-14 20:09:14,227 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686747431] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:09:14,228 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:09:14,228 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 20:09:14,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677959238] [2021-07-14 20:09:14,228 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 20:09:14,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:09:14,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 20:09:14,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 20:09:14,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:09:14,229 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:09:14,229 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) [2021-07-14 20:09:14,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:09:14,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:09:14,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:09:14,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:09:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:09:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:09:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:09:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:09:14,572 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 20:09:14,578 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 20:09:14,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 08:09:14 BasicIcfg [2021-07-14 20:09:14,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 20:09:14,581 INFO L168 Benchmark]: Toolchain (without parser) took 3212.44 ms. Allocated memory was 186.6 MB in the beginning and 246.4 MB in the end (delta: 59.8 MB). Free memory was 149.5 MB in the beginning and 151.8 MB in the end (delta: -2.3 MB). Peak memory consumption was 144.4 MB. Max. memory is 8.0 GB. [2021-07-14 20:09:14,581 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 186.6 MB. Free memory is still 167.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 20:09:14,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.80 ms. Allocated memory is still 186.6 MB. Free memory was 149.3 MB in the beginning and 161.9 MB in the end (delta: -12.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 8.0 GB. [2021-07-14 20:09:14,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.93 ms. Allocated memory is still 186.6 MB. Free memory was 161.9 MB in the beginning and 159.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 20:09:14,582 INFO L168 Benchmark]: Boogie Preprocessor took 26.60 ms. Allocated memory is still 186.6 MB. Free memory was 159.8 MB in the beginning and 158.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 20:09:14,582 INFO L168 Benchmark]: RCFGBuilder took 335.50 ms. Allocated memory is still 186.6 MB. Free memory was 158.2 MB in the beginning and 134.6 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-07-14 20:09:14,582 INFO L168 Benchmark]: TraceAbstraction took 2442.79 ms. Allocated memory was 186.6 MB in the beginning and 246.4 MB in the end (delta: 59.8 MB). Free memory was 134.6 MB in the beginning and 151.8 MB in the end (delta: -17.2 MB). Peak memory consumption was 128.5 MB. Max. memory is 8.0 GB. [2021-07-14 20:09:14,584 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 186.6 MB. Free memory is still 167.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 362.80 ms. Allocated memory is still 186.6 MB. Free memory was 149.3 MB in the beginning and 161.9 MB in the end (delta: -12.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 39.93 ms. Allocated memory is still 186.6 MB. Free memory was 161.9 MB in the beginning and 159.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.60 ms. Allocated memory is still 186.6 MB. Free memory was 159.8 MB in the beginning and 158.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 335.50 ms. Allocated memory is still 186.6 MB. Free memory was 158.2 MB in the beginning and 134.6 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2442.79 ms. Allocated memory was 186.6 MB in the beginning and 246.4 MB in the end (delta: 59.8 MB). Free memory was 134.6 MB in the beginning and 151.8 MB in the end (delta: -17.2 MB). Peak memory consumption was 128.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 47580, positive: 45165, positive conditional: 38880, positive unconditional: 6285, negative: 2415, negative conditional: 2318, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 45632, positive: 45165, positive conditional: 38880, positive unconditional: 6285, negative: 467, negative conditional: 370, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 45632, positive: 44819, positive conditional: 0, positive unconditional: 44819, negative: 813, negative conditional: 0, negative unconditional: 813, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1248, positive: 1224, positive conditional: 0, positive unconditional: 1224, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1248, positive: 1218, positive conditional: 0, positive unconditional: 1218, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 31, negative conditional: 7, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 37, positive conditional: 18, positive unconditional: 19, negative: 99, negative conditional: 7, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 45632, positive: 43595, positive conditional: 0, positive unconditional: 43595, negative: 789, negative conditional: 0, negative unconditional: 789, unknown: 1248, unknown conditional: 0, unknown unconditional: 1248] , Statistics on independence cache: Total cache size (in pairs): 1268, Positive cache size: 1237, Positive conditional cache size: 13, Positive unconditional cache size: 1224, Negative cache size: 31, Negative conditional cache size: 7, Negative unconditional cache size: 24, SemanticConditionEliminator.Independence Queries: [ total: 1972, positive: 346, positive conditional: 346, positive unconditional: 0, negative: 1626, negative conditional: 213, negative unconditional: 1413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1972, positive: 346, positive conditional: 346, positive unconditional: 0, negative: 1626, negative conditional: 213, negative unconditional: 1413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 31, negative conditional: 7, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 37, positive conditional: 18, positive unconditional: 19, negative: 99, negative conditional: 7, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1972, positive: 333, positive conditional: 333, positive unconditional: 0, negative: 1619, negative conditional: 206, negative unconditional: 1413, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1268, Positive cache size: 1237, Positive conditional cache size: 13, Positive unconditional cache size: 1224, Negative cache size: 31, Negative conditional cache size: 7, Negative unconditional cache size: 24, Eliminated conditions: 1283, SemanticConditionEliminator.Independence Queries: [ total: 1972, positive: 346, positive conditional: 346, positive unconditional: 0, negative: 1626, negative conditional: 213, negative unconditional: 1413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1972, positive: 346, positive conditional: 346, positive unconditional: 0, negative: 1626, negative conditional: 213, negative unconditional: 1413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 31, negative conditional: 7, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 37, positive conditional: 18, positive unconditional: 19, negative: 99, negative conditional: 7, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1972, positive: 333, positive conditional: 333, positive unconditional: 0, negative: 1619, negative conditional: 206, negative unconditional: 1413, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1268, Positive cache size: 1237, Positive conditional cache size: 13, Positive unconditional cache size: 1224, Negative cache size: 31, Negative conditional cache size: 7, Negative unconditional cache size: 24, Eliminated conditions: 1283, SemanticConditionEliminator.Independence Queries: [ total: 1972, positive: 346, positive conditional: 346, positive unconditional: 0, negative: 1626, negative conditional: 213, negative unconditional: 1413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1972, positive: 346, positive conditional: 346, positive unconditional: 0, negative: 1626, negative conditional: 213, negative unconditional: 1413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 31, negative conditional: 7, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 37, positive conditional: 18, positive unconditional: 19, negative: 99, negative conditional: 7, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1972, positive: 333, positive conditional: 333, positive unconditional: 0, negative: 1619, negative conditional: 206, negative unconditional: 1413, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1268, Positive cache size: 1237, Positive conditional cache size: 13, Positive unconditional cache size: 1224, Negative cache size: 31, Negative conditional cache size: 7, Negative unconditional cache size: 24, Eliminated conditions: 1283, SemanticConditionEliminator.Independence Queries: [ total: 1972, positive: 346, positive conditional: 346, positive unconditional: 0, negative: 1626, negative conditional: 213, negative unconditional: 1413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1972, positive: 346, positive conditional: 346, positive unconditional: 0, negative: 1626, negative conditional: 213, negative unconditional: 1413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 31, negative conditional: 7, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 37, positive conditional: 18, positive unconditional: 19, negative: 99, negative conditional: 7, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1972, positive: 333, positive conditional: 333, positive unconditional: 0, negative: 1619, negative conditional: 206, negative unconditional: 1413, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1268, Positive cache size: 1237, Positive conditional cache size: 13, Positive unconditional cache size: 1224, Negative cache size: 31, Negative conditional cache size: 7, Negative unconditional cache size: 24, Eliminated conditions: 1283 ], Maximal queried relation: 4, Independence queries for same thread: 1948 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 307, Number of persistent set computation: 1944, Number of trivial persistent sets: 672, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 47580, positive: 45165, positive conditional: 38880, positive unconditional: 6285, negative: 2415, negative conditional: 2318, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 45632, positive: 45165, positive conditional: 38880, positive unconditional: 6285, negative: 467, negative conditional: 370, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 45632, positive: 44819, positive conditional: 0, positive unconditional: 44819, negative: 813, negative conditional: 0, negative unconditional: 813, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1248, positive: 1224, positive conditional: 0, positive unconditional: 1224, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1248, positive: 1218, positive conditional: 0, positive unconditional: 1218, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 31, negative conditional: 7, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 37, positive conditional: 18, positive unconditional: 19, negative: 99, negative conditional: 7, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 45632, positive: 43595, positive conditional: 0, positive unconditional: 43595, negative: 789, negative conditional: 0, negative unconditional: 789, unknown: 1248, unknown conditional: 0, unknown unconditional: 1248] , Statistics on independence cache: Total cache size (in pairs): 1268, Positive cache size: 1237, Positive conditional cache size: 13, Positive unconditional cache size: 1224, Negative cache size: 31, Negative conditional cache size: 7, Negative unconditional cache size: 24, SemanticConditionEliminator.Independence Queries: [ total: 1972, positive: 346, positive conditional: 346, positive unconditional: 0, negative: 1626, negative conditional: 213, negative unconditional: 1413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1972, positive: 346, positive conditional: 346, positive unconditional: 0, negative: 1626, negative conditional: 213, negative unconditional: 1413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 31, negative conditional: 7, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 37, positive conditional: 18, positive unconditional: 19, negative: 99, negative conditional: 7, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1972, positive: 333, positive conditional: 333, positive unconditional: 0, negative: 1619, negative conditional: 206, negative unconditional: 1413, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1268, Positive cache size: 1237, Positive conditional cache size: 13, Positive unconditional cache size: 1224, Negative cache size: 31, Negative conditional cache size: 7, Negative unconditional cache size: 24, Eliminated conditions: 1283, SemanticConditionEliminator.Independence Queries: [ total: 1972, positive: 346, positive conditional: 346, positive unconditional: 0, negative: 1626, negative conditional: 213, negative unconditional: 1413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1972, positive: 346, positive conditional: 346, positive unconditional: 0, negative: 1626, negative conditional: 213, negative unconditional: 1413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 31, negative conditional: 7, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 37, positive conditional: 18, positive unconditional: 19, negative: 99, negative conditional: 7, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1972, positive: 333, positive conditional: 333, positive unconditional: 0, negative: 1619, negative conditional: 206, negative unconditional: 1413, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1268, Positive cache size: 1237, Positive conditional cache size: 13, Positive unconditional cache size: 1224, Negative cache size: 31, Negative conditional cache size: 7, Negative unconditional cache size: 24, Eliminated conditions: 1283, SemanticConditionEliminator.Independence Queries: [ total: 1972, positive: 346, positive conditional: 346, positive unconditional: 0, negative: 1626, negative conditional: 213, negative unconditional: 1413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1972, positive: 346, positive conditional: 346, positive unconditional: 0, negative: 1626, negative conditional: 213, negative unconditional: 1413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 31, negative conditional: 7, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 37, positive conditional: 18, positive unconditional: 19, negative: 99, negative conditional: 7, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1972, positive: 333, positive conditional: 333, positive unconditional: 0, negative: 1619, negative conditional: 206, negative unconditional: 1413, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1268, Positive cache size: 1237, Positive conditional cache size: 13, Positive unconditional cache size: 1224, Negative cache size: 31, Negative conditional cache size: 7, Negative unconditional cache size: 24, Eliminated conditions: 1283, SemanticConditionEliminator.Independence Queries: [ total: 1972, positive: 346, positive conditional: 346, positive unconditional: 0, negative: 1626, negative conditional: 213, negative unconditional: 1413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1972, positive: 346, positive conditional: 346, positive unconditional: 0, negative: 1626, negative conditional: 213, negative unconditional: 1413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 31, negative conditional: 7, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 37, positive conditional: 18, positive unconditional: 19, negative: 99, negative conditional: 7, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1972, positive: 333, positive conditional: 333, positive unconditional: 0, negative: 1619, negative conditional: 206, negative unconditional: 1413, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1268, Positive cache size: 1237, Positive conditional cache size: 13, Positive unconditional cache size: 1224, Negative cache size: 31, Negative conditional cache size: 7, Negative unconditional cache size: 24, Eliminated conditions: 1283 ], Maximal queried relation: 4, Independence queries for same thread: 1948 - 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, 103 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2372.3ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.4ms, PartialOrderReductionTime: 1597.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 46, 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: 13.2ms SsaConstructionTime, 140.0ms SatisfiabilityAnalysisTime, 427.5ms InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 691 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...