/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 23:02:47,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 23:02:47,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 23:02:47,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 23:02:47,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 23:02:47,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 23:02:47,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 23:02:47,119 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-06-16 23:02:47,141 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 23:02:47,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 23:02:47,141 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 23:02:47,141 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 23:02:47,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 23:02:47,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 23:02:47,142 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 23:02:47,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 23:02:47,142 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 23:02:47,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 23:02:47,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 23:02:47,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 23:02:47,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 23:02:47,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 23:02:47,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 23:02:47,143 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 23:02:47,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 23:02:47,143 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 23:02:47,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 23:02:47,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 23:02:47,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 23:02:47,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 23:02:47,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 23:02:47,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 23:02:47,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 23:02:47,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 23:02:47,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 23:02:47,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 23:02:47,144 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-16 23:02:47,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 23:02:47,144 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 23:02:47,144 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 23:02:47,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 23:02:47,145 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 23:02:47,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-16 23:02:47,145 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 23:02:47,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 23:02:47,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 23:02:47,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 23:02:47,378 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 23:02:47,379 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 23:02:47,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.oepc.i [2021-06-16 23:02:47,429 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bc751f5e/cbc1802a12ee4f609225540fe30f571a/FLAGce3d67483 [2021-06-16 23:02:47,840 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 23:02:47,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_tso.oepc.i [2021-06-16 23:02:47,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bc751f5e/cbc1802a12ee4f609225540fe30f571a/FLAGce3d67483 [2021-06-16 23:02:48,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bc751f5e/cbc1802a12ee4f609225540fe30f571a [2021-06-16 23:02:48,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 23:02:48,245 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 23:02:48,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 23:02:48,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 23:02:48,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 23:02:48,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 11:02:48" (1/1) ... [2021-06-16 23:02:48,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dfe8453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:02:48, skipping insertion in model container [2021-06-16 23:02:48,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 11:02:48" (1/1) ... [2021-06-16 23:02:48,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 23:02:48,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 23:02:48,415 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_tso.oepc.i[950,963] [2021-06-16 23:02:48,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 23:02:48,558 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 23:02:48,567 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_tso.oepc.i[950,963] [2021-06-16 23:02:48,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 23:02:48,652 INFO L208 MainTranslator]: Completed translation [2021-06-16 23:02:48,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:02:48 WrapperNode [2021-06-16 23:02:48,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 23:02:48,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 23:02:48,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 23:02:48,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 23:02:48,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:02:48" (1/1) ... [2021-06-16 23:02:48,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:02:48" (1/1) ... [2021-06-16 23:02:48,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 23:02:48,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 23:02:48,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 23:02:48,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 23:02:48,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:02:48" (1/1) ... [2021-06-16 23:02:48,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:02:48" (1/1) ... [2021-06-16 23:02:48,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:02:48" (1/1) ... [2021-06-16 23:02:48,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:02:48" (1/1) ... [2021-06-16 23:02:48,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:02:48" (1/1) ... [2021-06-16 23:02:48,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:02:48" (1/1) ... [2021-06-16 23:02:48,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:02:48" (1/1) ... [2021-06-16 23:02:48,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 23:02:48,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 23:02:48,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 23:02:48,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 23:02:48,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:02:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 23:02:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 23:02:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-16 23:02:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 23:02:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 23:02:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-16 23:02:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-16 23:02:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-16 23:02:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-16 23:02:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-16 23:02:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-16 23:02:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-16 23:02:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-16 23:02:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 23:02:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-16 23:02:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 23:02:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 23:02:48,797 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 23:02:49,182 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 23:02:49,183 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-16 23:02:49,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 11:02:49 BoogieIcfgContainer [2021-06-16 23:02:49,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 23:02:49,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 23:02:49,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 23:02:49,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 23:02:49,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 11:02:48" (1/3) ... [2021-06-16 23:02:49,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f97631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 11:02:49, skipping insertion in model container [2021-06-16 23:02:49,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:02:48" (2/3) ... [2021-06-16 23:02:49,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f97631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 11:02:49, skipping insertion in model container [2021-06-16 23:02:49,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 11:02:49" (3/3) ... [2021-06-16 23:02:49,190 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_tso.oepc.i [2021-06-16 23:02:49,196 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 23:02:49,196 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 23:02:49,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 23:02:49,197 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 23:02:49,230 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,231 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,231 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,231 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,231 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,232 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,232 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,232 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,232 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,232 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,232 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,232 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,232 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,233 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,233 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,233 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,234 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,234 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,234 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,234 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,234 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,235 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,235 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,236 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,236 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,237 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,237 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,237 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,238 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,238 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,238 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,238 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,238 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,238 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,238 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,239 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,239 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,240 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,240 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,240 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,240 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,244 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,244 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,244 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,244 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,246 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,246 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,246 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,249 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,249 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:02:49,250 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 23:02:49,265 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-16 23:02:49,324 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 23:02:49,324 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 23:02:49,324 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 23:02:49,324 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 23:02:49,324 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 23:02:49,325 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 23:02:49,325 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 23:02:49,325 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-16 23:02:49,365 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 23:02:49,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:02:49,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1644477273, now seen corresponding path program 1 times [2021-06-16 23:02:49,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:02:49,377 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472420328] [2021-06-16 23:02:49,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:02:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:02:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:02:49,590 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:02:49,590 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472420328] [2021-06-16 23:02:49,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472420328] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 23:02:49,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 23:02:49,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 23:02:49,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683467697] [2021-06-16 23:02:49,594 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-16 23:02:49,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:02:49,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-16 23:02:49,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-16 23:02:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:02:49,604 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:02:49,606 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:02:49,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:02:49,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:02:49,616 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 23:02:49,616 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 23:02:49,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:02:49,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1570630956, now seen corresponding path program 1 times [2021-06-16 23:02:49,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:02:49,616 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675787553] [2021-06-16 23:02:49,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:02:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:02:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:02:49,838 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:02:49,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675787553] [2021-06-16 23:02:49,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675787553] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 23:02:49,838 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 23:02:49,838 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 23:02:49,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391246614] [2021-06-16 23:02:49,842 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 23:02:49,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:02:49,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 23:02:49,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-16 23:02:49,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:02:49,843 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:02:49,843 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:02:49,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:02:49,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:02:54,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:02:54,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:02:54,530 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 23:02:54,530 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 23:02:54,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:02:54,536 INFO L82 PathProgramCache]: Analyzing trace with hash 773114976, now seen corresponding path program 2 times [2021-06-16 23:02:54,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:02:54,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564858878] [2021-06-16 23:02:54,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:02:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:02:54,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:02:54,692 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:02:54,692 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564858878] [2021-06-16 23:02:54,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564858878] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 23:02:54,692 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 23:02:54,692 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 23:02:54,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081523969] [2021-06-16 23:02:54,693 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 23:02:54,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:02:54,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 23:02:54,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-16 23:02:54,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:02:54,694 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:02:54,694 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:02:54,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:02:54,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:02:54,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:02:58,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:02:58,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:02:58,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:02:58,650 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 23:02:58,650 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 23:02:58,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:02:58,651 INFO L82 PathProgramCache]: Analyzing trace with hash 513726776, now seen corresponding path program 3 times [2021-06-16 23:02:58,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:02:58,651 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66092682] [2021-06-16 23:02:58,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:02:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:02:58,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:02:58,736 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:02:58,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66092682] [2021-06-16 23:02:58,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66092682] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 23:02:58,736 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 23:02:58,736 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 23:02:58,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826234665] [2021-06-16 23:02:58,737 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 23:02:58,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:02:58,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 23:02:58,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-16 23:02:58,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:02:58,737 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:02:58,738 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:02:58,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:02:58,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:02:58,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:02:58,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:03:04,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:03:04,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:03:04,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:03:04,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:03:04,234 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 23:03:04,235 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 23:03:04,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:03:04,235 INFO L82 PathProgramCache]: Analyzing trace with hash -2027042884, now seen corresponding path program 4 times [2021-06-16 23:03:04,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:03:04,235 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90616194] [2021-06-16 23:03:04,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:03:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:03:04,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:03:04,306 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:03:04,306 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90616194] [2021-06-16 23:03:04,306 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90616194] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 23:03:04,306 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 23:03:04,306 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 23:03:04,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063206945] [2021-06-16 23:03:04,307 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 23:03:04,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:03:04,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 23:03:04,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 23:03:04,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:03:04,307 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:03:04,308 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:03:04,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:03:04,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:03:04,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:03:04,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:03:04,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:03:15,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:03:15,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:03:15,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:03:15,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:03:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:03:15,378 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-16 23:03:15,384 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 23:03:15,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 11:03:15 BasicIcfg [2021-06-16 23:03:15,385 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 23:03:15,386 INFO L168 Benchmark]: Toolchain (without parser) took 27140.85 ms. Allocated memory was 191.9 MB in the beginning and 5.6 GB in the end (delta: 5.4 GB). Free memory was 154.2 MB in the beginning and 3.5 GB in the end (delta: -3.3 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2021-06-16 23:03:15,386 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 191.9 MB. Free memory is still 172.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 23:03:15,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.17 ms. Allocated memory is still 191.9 MB. Free memory was 154.0 MB in the beginning and 152.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-16 23:03:15,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.32 ms. Allocated memory is still 191.9 MB. Free memory was 152.5 MB in the beginning and 150.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 23:03:15,387 INFO L168 Benchmark]: Boogie Preprocessor took 26.46 ms. Allocated memory is still 191.9 MB. Free memory was 150.8 MB in the beginning and 149.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 23:03:15,387 INFO L168 Benchmark]: RCFGBuilder took 458.91 ms. Allocated memory is still 191.9 MB. Free memory was 149.3 MB in the beginning and 122.6 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2021-06-16 23:03:15,388 INFO L168 Benchmark]: TraceAbstraction took 26199.20 ms. Allocated memory was 191.9 MB in the beginning and 5.6 GB in the end (delta: 5.4 GB). Free memory was 122.1 MB in the beginning and 3.5 GB in the end (delta: -3.3 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2021-06-16 23:03:15,389 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 191.9 MB. Free memory is still 172.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 406.17 ms. Allocated memory is still 191.9 MB. Free memory was 154.0 MB in the beginning and 152.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 45.32 ms. Allocated memory is still 191.9 MB. Free memory was 152.5 MB in the beginning and 150.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.46 ms. Allocated memory is still 191.9 MB. Free memory was 150.8 MB in the beginning and 149.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 458.91 ms. Allocated memory is still 191.9 MB. Free memory was 149.3 MB in the beginning and 122.6 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 26199.20 ms. Allocated memory was 191.9 MB in the beginning and 5.6 GB in the end (delta: 5.4 GB). Free memory was 122.1 MB in the beginning and 3.5 GB in the end (delta: -3.3 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2719947, positive: 2647892, positive conditional: 2647892, positive unconditional: 0, negative: 72055, negative conditional: 72055, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2662123, positive: 2647892, positive conditional: 2647892, positive unconditional: 0, negative: 14231, negative conditional: 14231, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2662123, positive: 2640761, positive conditional: 0, positive unconditional: 2640761, negative: 21362, negative conditional: 0, negative unconditional: 21362, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1394, positive: 1376, positive conditional: 0, positive unconditional: 1376, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1394, positive: 1364, positive conditional: 0, positive unconditional: 1364, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 52, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 27, negative conditional: 9, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 50, positive conditional: 23, positive unconditional: 27, negative: 56, negative conditional: 9, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2662123, positive: 2639385, positive conditional: 0, positive unconditional: 2639385, negative: 21344, negative conditional: 0, negative unconditional: 21344, unknown: 1394, unknown conditional: 0, unknown unconditional: 1394] , Statistics on independence cache: Total cache size (in pairs): 1416, Positive cache size: 1389, Positive conditional cache size: 13, Positive unconditional cache size: 1376, Negative cache size: 27, Negative conditional cache size: 9, Negative unconditional cache size: 18, SemanticConditionEliminator.Independence Queries: [ total: 74440, positive: 7131, positive conditional: 7131, positive unconditional: 0, negative: 67309, negative conditional: 2658, negative unconditional: 64651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 74440, positive: 7131, positive conditional: 7131, positive unconditional: 0, negative: 67309, negative conditional: 2658, negative unconditional: 64651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 52, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 27, negative conditional: 9, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 50, positive conditional: 23, positive unconditional: 27, negative: 56, negative conditional: 9, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 74440, positive: 7118, positive conditional: 7118, positive unconditional: 0, negative: 67300, negative conditional: 2649, negative unconditional: 64651, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1416, Positive cache size: 1389, Positive conditional cache size: 13, Positive unconditional cache size: 1376, Negative cache size: 27, Negative conditional cache size: 9, Negative unconditional cache size: 18, Eliminated conditions: 64651, SemanticConditionEliminator.Independence Queries: [ total: 74440, positive: 7131, positive conditional: 7131, positive unconditional: 0, negative: 67309, negative conditional: 2658, negative unconditional: 64651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 74440, positive: 7131, positive conditional: 7131, positive unconditional: 0, negative: 67309, negative conditional: 2658, negative unconditional: 64651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 52, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 27, negative conditional: 9, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 50, positive conditional: 23, positive unconditional: 27, negative: 56, negative conditional: 9, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 74440, positive: 7118, positive conditional: 7118, positive unconditional: 0, negative: 67300, negative conditional: 2649, negative unconditional: 64651, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1416, Positive cache size: 1389, Positive conditional cache size: 13, Positive unconditional cache size: 1376, Negative cache size: 27, Negative conditional cache size: 9, Negative unconditional cache size: 18, Eliminated conditions: 64651, SemanticConditionEliminator.Independence Queries: [ total: 74440, positive: 7131, positive conditional: 7131, positive unconditional: 0, negative: 67309, negative conditional: 2658, negative unconditional: 64651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 74440, positive: 7131, positive conditional: 7131, positive unconditional: 0, negative: 67309, negative conditional: 2658, negative unconditional: 64651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 52, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 27, negative conditional: 9, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 50, positive conditional: 23, positive unconditional: 27, negative: 56, negative conditional: 9, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 74440, positive: 7118, positive conditional: 7118, positive unconditional: 0, negative: 67300, negative conditional: 2649, negative unconditional: 64651, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1416, Positive cache size: 1389, Positive conditional cache size: 13, Positive unconditional cache size: 1376, Negative cache size: 27, Negative conditional cache size: 9, Negative unconditional cache size: 18, Eliminated conditions: 64651, SemanticConditionEliminator.Independence Queries: [ total: 74440, positive: 7131, positive conditional: 7131, positive unconditional: 0, negative: 67309, negative conditional: 2658, negative unconditional: 64651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 74440, positive: 7131, positive conditional: 7131, positive unconditional: 0, negative: 67309, negative conditional: 2658, negative unconditional: 64651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 52, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 27, negative conditional: 9, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 50, positive conditional: 23, positive unconditional: 27, negative: 56, negative conditional: 9, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 74440, positive: 7118, positive conditional: 7118, positive unconditional: 0, negative: 67300, negative conditional: 2649, negative unconditional: 64651, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1416, Positive cache size: 1389, Positive conditional cache size: 13, Positive unconditional cache size: 1376, Negative cache size: 27, Negative conditional cache size: 9, Negative unconditional cache size: 18, Eliminated conditions: 64651, SemanticConditionEliminator.Independence Queries: [ total: 74440, positive: 7131, positive conditional: 7131, positive unconditional: 0, negative: 67309, negative conditional: 2658, negative unconditional: 64651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 74440, positive: 7131, positive conditional: 7131, positive unconditional: 0, negative: 67309, negative conditional: 2658, negative unconditional: 64651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 52, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 27, negative conditional: 9, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 50, positive conditional: 23, positive unconditional: 27, negative: 56, negative conditional: 9, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 74440, positive: 7118, positive conditional: 7118, positive unconditional: 0, negative: 67300, negative conditional: 2649, negative unconditional: 64651, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1416, Positive cache size: 1389, Positive conditional cache size: 13, Positive unconditional cache size: 1376, Negative cache size: 27, Negative conditional cache size: 9, Negative unconditional cache size: 18, Eliminated conditions: 64651 ], Maximal queried relation: 5, Independence queries for same thread: 57824 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 134 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26099.8ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.1ms, PartialOrderReductionTime: 25247.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 44, 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: 20.8ms SsaConstructionTime, 137.0ms SatisfiabilityAnalysisTime, 507.3ms InterpolantComputationTime, 416 NumberOfCodeBlocks, 416 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 411 ConstructedInterpolants, 0 QuantifiedInterpolants, 1539 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...