/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe017_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 20:05:34,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 20:05:34,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 20:05:34,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 20:05:34,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 20:05:34,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 20:05:34,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 20:05:34,636 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-Lockstep.epf [2021-06-13 20:05:34,671 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 20:05:34,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 20:05:34,672 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 20:05:34,672 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 20:05:34,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 20:05:34,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 20:05:34,674 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 20:05:34,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 20:05:34,674 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 20:05:34,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 20:05:34,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 20:05:34,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 20:05:34,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 20:05:34,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 20:05:34,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 20:05:34,675 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 20:05:34,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 20:05:34,676 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 20:05:34,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 20:05:34,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 20:05:34,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 20:05:34,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 20:05:34,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 20:05:34,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 20:05:34,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 20:05:34,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 20:05:34,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 20:05:34,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 20:05:34,678 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-13 20:05:34,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 20:05:34,678 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 20:05:34,678 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 20:05:34,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 20:05:34,679 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 20:05:34,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 20:05:34,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 20:05:34,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 20:05:34,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 20:05:34,957 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-13 20:05:34,958 INFO L275 PluginConnector]: CDTParser initialized [2021-06-13 20:05:34,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe017_tso.oepc.i [2021-06-13 20:05:35,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/036b1b61c/dcaa0e7432a545bea14fef17c22be696/FLAGe102d6c33 [2021-06-13 20:05:35,566 INFO L306 CDTParser]: Found 1 translation units. [2021-06-13 20:05:35,566 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe017_tso.oepc.i [2021-06-13 20:05:35,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/036b1b61c/dcaa0e7432a545bea14fef17c22be696/FLAGe102d6c33 [2021-06-13 20:05:36,033 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/036b1b61c/dcaa0e7432a545bea14fef17c22be696 [2021-06-13 20:05:36,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 20:05:36,038 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-13 20:05:36,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-13 20:05:36,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-13 20:05:36,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-13 20:05:36,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 08:05:36" (1/1) ... [2021-06-13 20:05:36,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f715b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:05:36, skipping insertion in model container [2021-06-13 20:05:36,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 08:05:36" (1/1) ... [2021-06-13 20:05:36,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-13 20:05:36,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-13 20:05:36,241 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.oepc.i[950,963] [2021-06-13 20:05:36,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 20:05:36,451 INFO L203 MainTranslator]: Completed pre-run [2021-06-13 20:05:36,463 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.oepc.i[950,963] [2021-06-13 20:05:36,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 20:05:36,574 INFO L208 MainTranslator]: Completed translation [2021-06-13 20:05:36,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:05:36 WrapperNode [2021-06-13 20:05:36,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-13 20:05:36,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 20:05:36,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 20:05:36,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 20:05:36,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:05:36" (1/1) ... [2021-06-13 20:05:36,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:05:36" (1/1) ... [2021-06-13 20:05:36,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 20:05:36,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 20:05:36,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 20:05:36,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 20:05:36,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:05:36" (1/1) ... [2021-06-13 20:05:36,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:05:36" (1/1) ... [2021-06-13 20:05:36,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:05:36" (1/1) ... [2021-06-13 20:05:36,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:05:36" (1/1) ... [2021-06-13 20:05:36,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:05:36" (1/1) ... [2021-06-13 20:05:36,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:05:36" (1/1) ... [2021-06-13 20:05:36,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:05:36" (1/1) ... [2021-06-13 20:05:36,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 20:05:36,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 20:05:36,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 20:05:36,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 20:05:36,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:05:36" (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 [2021-06-13 20:05:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-13 20:05:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-13 20:05:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-13 20:05:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-13 20:05:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-13 20:05:36,751 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-13 20:05:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-13 20:05:36,752 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-13 20:05:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-13 20:05:36,752 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-13 20:05:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-13 20:05:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-13 20:05:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 20:05:36,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 20:05:36,753 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 20:05:37,198 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 20:05:37,198 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-13 20:05:37,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 08:05:37 BoogieIcfgContainer [2021-06-13 20:05:37,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 20:05:37,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 20:05:37,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 20:05:37,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 20:05:37,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.06 08:05:36" (1/3) ... [2021-06-13 20:05:37,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d58c6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 08:05:37, skipping insertion in model container [2021-06-13 20:05:37,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:05:36" (2/3) ... [2021-06-13 20:05:37,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d58c6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 08:05:37, skipping insertion in model container [2021-06-13 20:05:37,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 08:05:37" (3/3) ... [2021-06-13 20:05:37,210 INFO L111 eAbstractionObserver]: Analyzing ICFG safe017_tso.oepc.i [2021-06-13 20:05:37,216 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 20:05:37,216 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 20:05:37,216 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 20:05:37,217 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 20:05:37,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,255 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,255 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,255 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,255 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,257 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,257 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,258 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,258 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,261 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,262 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,262 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,262 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,263 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,263 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,270 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,271 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,271 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,271 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,275 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,276 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,276 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,276 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,278 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,278 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,279 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,279 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:05:37,281 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-13 20:05:37,301 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 20:05:37,372 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 20:05:37,372 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 20:05:37,372 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 20:05:37,372 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 20:05:37,373 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 20:05:37,373 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 20:05:37,373 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 20:05:37,373 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 20:05:37,443 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 20:05:37,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 20:05:37,449 INFO L82 PathProgramCache]: Analyzing trace with hash 226402836, now seen corresponding path program 1 times [2021-06-13 20:05:37,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 20:05:37,456 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139960873] [2021-06-13 20:05:37,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 20:05:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 20:05:37,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 20:05:37,633 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 20:05:37,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139960873] [2021-06-13 20:05:37,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139960873] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 20:05:37,635 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 20:05:37,635 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-13 20:05:37,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173159786] [2021-06-13 20:05:37,640 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-13 20:05:37,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 20:05:37,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-13 20:05:37,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-13 20:05:37,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:05:37,656 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 20:05:37,657 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 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) [2021-06-13 20:05:37,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:05:37,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:05:37,679 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 20:05:37,679 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 20:05:37,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 20:05:37,681 INFO L82 PathProgramCache]: Analyzing trace with hash 998221479, now seen corresponding path program 1 times [2021-06-13 20:05:37,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 20:05:37,683 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905484158] [2021-06-13 20:05:37,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 20:05:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 20:05:37,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 20:05:37,969 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 20:05:37,971 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905484158] [2021-06-13 20:05:37,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905484158] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 20:05:37,972 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 20:05:37,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-13 20:05:37,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259248254] [2021-06-13 20:05:37,975 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 20:05:37,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 20:05:37,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 20:05:37,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-13 20:05:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:05:37,980 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 20:05:37,980 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) [2021-06-13 20:05:37,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:05:37,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:05:38,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:05:38,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 20:05:38,174 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 20:05:38,174 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 20:05:38,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 20:05:38,174 INFO L82 PathProgramCache]: Analyzing trace with hash -472515249, now seen corresponding path program 2 times [2021-06-13 20:05:38,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 20:05:38,175 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819897165] [2021-06-13 20:05:38,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 20:05:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 20:05:38,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 20:05:38,343 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 20:05:38,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819897165] [2021-06-13 20:05:38,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819897165] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 20:05:38,343 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 20:05:38,343 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-13 20:05:38,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716860656] [2021-06-13 20:05:38,344 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 20:05:38,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 20:05:38,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 20:05:38,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-13 20:05:38,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:05:38,345 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 20:05:38,345 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) [2021-06-13 20:05:38,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:05:38,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 20:05:38,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:05:39,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:05:39,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 20:05:39,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 20:05:39,246 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-13 20:05:39,246 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 20:05:39,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 20:05:39,247 INFO L82 PathProgramCache]: Analyzing trace with hash 9969655, now seen corresponding path program 3 times [2021-06-13 20:05:39,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 20:05:39,247 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660170274] [2021-06-13 20:05:39,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 20:05:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 20:05:39,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 20:05:39,417 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 20:05:39,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660170274] [2021-06-13 20:05:39,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660170274] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 20:05:39,418 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 20:05:39,418 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 20:05:39,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225910065] [2021-06-13 20:05:39,419 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 20:05:39,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 20:05:39,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 20:05:39,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-13 20:05:39,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:05:39,420 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 20:05:39,420 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 20:05:39,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:05:39,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 20:05:39,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-13 20:05:39,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:05:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:05:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 20:05:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 20:05:39,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 20:05:39,986 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-13 20:05:39,993 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 20:05:39,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 08:05:39 BasicIcfg [2021-06-13 20:05:39,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 20:05:39,996 INFO L168 Benchmark]: Toolchain (without parser) took 3957.67 ms. Allocated memory was 224.4 MB in the beginning and 299.9 MB in the end (delta: 75.5 MB). Free memory was 186.8 MB in the beginning and 123.8 MB in the end (delta: 63.0 MB). Peak memory consumption was 139.8 MB. Max. memory is 8.0 GB. [2021-06-13 20:05:39,996 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 224.4 MB. Free memory is still 204.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 20:05:39,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.67 ms. Allocated memory is still 224.4 MB. Free memory was 186.6 MB in the beginning and 185.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-13 20:05:39,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.40 ms. Allocated memory is still 224.4 MB. Free memory was 185.4 MB in the beginning and 183.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-13 20:05:39,998 INFO L168 Benchmark]: Boogie Preprocessor took 32.68 ms. Allocated memory is still 224.4 MB. Free memory was 183.4 MB in the beginning and 182.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 20:05:39,998 INFO L168 Benchmark]: RCFGBuilder took 532.82 ms. Allocated memory is still 224.4 MB. Free memory was 182.4 MB in the beginning and 158.8 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-06-13 20:05:39,998 INFO L168 Benchmark]: TraceAbstraction took 2791.64 ms. Allocated memory was 224.4 MB in the beginning and 299.9 MB in the end (delta: 75.5 MB). Free memory was 158.2 MB in the beginning and 123.8 MB in the end (delta: 34.4 MB). Peak memory consumption was 111.0 MB. Max. memory is 8.0 GB. [2021-06-13 20:05:40,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 224.4 MB. Free memory is still 204.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 531.67 ms. Allocated memory is still 224.4 MB. Free memory was 186.6 MB in the beginning and 185.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 58.40 ms. Allocated memory is still 224.4 MB. Free memory was 185.4 MB in the beginning and 183.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.68 ms. Allocated memory is still 224.4 MB. Free memory was 183.4 MB in the beginning and 182.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 532.82 ms. Allocated memory is still 224.4 MB. Free memory was 182.4 MB in the beginning and 158.8 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2791.64 ms. Allocated memory was 224.4 MB in the beginning and 299.9 MB in the end (delta: 75.5 MB). Free memory was 158.2 MB in the beginning and 123.8 MB in the end (delta: 34.4 MB). Peak memory consumption was 111.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 39274, positive: 37868, positive conditional: 37868, positive unconditional: 0, negative: 1406, negative conditional: 1406, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 38033, positive: 37868, positive conditional: 37868, positive unconditional: 0, negative: 165, negative conditional: 165, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 38033, positive: 37496, positive conditional: 0, positive unconditional: 37496, negative: 537, negative conditional: 0, negative unconditional: 537, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 596, positive: 585, positive conditional: 0, positive unconditional: 585, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 596, positive: 579, positive conditional: 0, positive unconditional: 579, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 17, negative conditional: 6, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 40, positive conditional: 21, positive unconditional: 19, negative: 59, negative conditional: 9, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 38033, positive: 36911, positive conditional: 0, positive unconditional: 36911, negative: 526, negative conditional: 0, negative unconditional: 526, unknown: 596, unknown conditional: 0, unknown unconditional: 596] , Statistics on independence cache: Total cache size (in pairs): 612, Positive cache size: 595, Positive conditional cache size: 10, Positive unconditional cache size: 585, Negative cache size: 17, Negative conditional cache size: 6, Negative unconditional cache size: 11, SemanticConditionEliminator.Independence Queries: [ total: 1691, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1319, negative conditional: 81, negative unconditional: 1238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1691, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1319, negative conditional: 81, negative unconditional: 1238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 17, negative conditional: 6, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 40, positive conditional: 21, positive unconditional: 19, negative: 59, negative conditional: 9, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1691, positive: 362, positive conditional: 362, positive unconditional: 0, negative: 1313, negative conditional: 75, negative unconditional: 1238, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 612, Positive cache size: 595, Positive conditional cache size: 10, Positive unconditional cache size: 585, Negative cache size: 17, Negative conditional cache size: 6, Negative unconditional cache size: 11, Eliminated conditions: 1238, SemanticConditionEliminator.Independence Queries: [ total: 1691, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1319, negative conditional: 81, negative unconditional: 1238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1691, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1319, negative conditional: 81, negative unconditional: 1238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 17, negative conditional: 6, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 40, positive conditional: 21, positive unconditional: 19, negative: 59, negative conditional: 9, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1691, positive: 362, positive conditional: 362, positive unconditional: 0, negative: 1313, negative conditional: 75, negative unconditional: 1238, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 612, Positive cache size: 595, Positive conditional cache size: 10, Positive unconditional cache size: 585, Negative cache size: 17, Negative conditional cache size: 6, Negative unconditional cache size: 11, Eliminated conditions: 1238, SemanticConditionEliminator.Independence Queries: [ total: 1691, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1319, negative conditional: 81, negative unconditional: 1238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1691, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1319, negative conditional: 81, negative unconditional: 1238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 17, negative conditional: 6, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 40, positive conditional: 21, positive unconditional: 19, negative: 59, negative conditional: 9, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1691, positive: 362, positive conditional: 362, positive unconditional: 0, negative: 1313, negative conditional: 75, negative unconditional: 1238, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 612, Positive cache size: 595, Positive conditional cache size: 10, Positive unconditional cache size: 585, Negative cache size: 17, Negative conditional cache size: 6, Negative unconditional cache size: 11, Eliminated conditions: 1238, SemanticConditionEliminator.Independence Queries: [ total: 1691, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1319, negative conditional: 81, negative unconditional: 1238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1691, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1319, negative conditional: 81, negative unconditional: 1238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 17, negative conditional: 6, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 40, positive conditional: 21, positive unconditional: 19, negative: 59, negative conditional: 9, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1691, positive: 362, positive conditional: 362, positive unconditional: 0, negative: 1313, negative conditional: 75, negative unconditional: 1238, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 612, Positive cache size: 595, Positive conditional cache size: 10, Positive unconditional cache size: 585, Negative cache size: 17, Negative conditional cache size: 6, Negative unconditional cache size: 11, Eliminated conditions: 1238 ], Maximal queried relation: 4, Independence queries for same thread: 1241 - 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: 2662.3ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.3ms, PartialOrderReductionTime: 1734.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 30, 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: 23.8ms SsaConstructionTime, 133.8ms SatisfiabilityAnalysisTime, 546.4ms InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 630 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...