/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/safe012_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 02:12:37,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 02:12:37,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 02:12:37,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 02:12:37,614 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 [2021-06-14 02:12:37,664 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 02:12:37,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 02:12:37,665 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 02:12:37,665 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 02:12:37,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 02:12:37,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 02:12:37,667 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 02:12:37,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 02:12:37,667 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 02:12:37,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 02:12:37,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 02:12:37,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 02:12:37,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 02:12:37,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 02:12:37,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 02:12:37,668 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 02:12:37,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 02:12:37,669 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 02:12:37,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 02:12:37,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 02:12:37,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 02:12:37,669 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 02:12:37,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 02:12:37,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 02:12:37,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 02:12:37,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 02:12:37,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 02:12:37,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 02:12:37,670 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 02:12:37,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 02:12:37,670 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 02:12:37,670 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 02:12:37,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 02:12:37,671 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-14 02:12:37,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 02:12:37,671 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 02:12:37,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 02:12:37,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 02:12:37,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 02:12:37,908 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-14 02:12:37,908 INFO L275 PluginConnector]: CDTParser initialized [2021-06-14 02:12:37,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe012_tso.opt.i [2021-06-14 02:12:37,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa17757af/ada5189164404c77b3602e757147fdd3/FLAG6bbd2196b [2021-06-14 02:12:38,414 INFO L306 CDTParser]: Found 1 translation units. [2021-06-14 02:12:38,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_tso.opt.i [2021-06-14 02:12:38,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa17757af/ada5189164404c77b3602e757147fdd3/FLAG6bbd2196b [2021-06-14 02:12:38,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa17757af/ada5189164404c77b3602e757147fdd3 [2021-06-14 02:12:38,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 02:12:38,442 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-14 02:12:38,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-14 02:12:38,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-14 02:12:38,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-14 02:12:38,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 02:12:38" (1/1) ... [2021-06-14 02:12:38,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66624b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:12:38, skipping insertion in model container [2021-06-14 02:12:38,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 02:12:38" (1/1) ... [2021-06-14 02:12:38,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-14 02:12:38,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-14 02:12:38,612 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/safe012_tso.opt.i[949,962] [2021-06-14 02:12:38,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 02:12:38,773 INFO L203 MainTranslator]: Completed pre-run [2021-06-14 02:12:38,782 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/safe012_tso.opt.i[949,962] [2021-06-14 02:12:38,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 02:12:38,838 INFO L208 MainTranslator]: Completed translation [2021-06-14 02:12:38,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:12:38 WrapperNode [2021-06-14 02:12:38,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-14 02:12:38,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 02:12:38,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 02:12:38,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 02:12:38,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:12:38" (1/1) ... [2021-06-14 02:12:38,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:12:38" (1/1) ... [2021-06-14 02:12:38,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 02:12:38,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 02:12:38,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 02:12:38,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 02:12:38,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:12:38" (1/1) ... [2021-06-14 02:12:38,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:12:38" (1/1) ... [2021-06-14 02:12:38,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:12:38" (1/1) ... [2021-06-14 02:12:38,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:12:38" (1/1) ... [2021-06-14 02:12:38,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:12:38" (1/1) ... [2021-06-14 02:12:38,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:12:38" (1/1) ... [2021-06-14 02:12:38,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:12:38" (1/1) ... [2021-06-14 02:12:38,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 02:12:38,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 02:12:38,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 02:12:38,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 02:12:38,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:12:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 02:12:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-14 02:12:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-14 02:12:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-14 02:12:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-14 02:12:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-14 02:12:38,922 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-14 02:12:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-14 02:12:38,922 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-14 02:12:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-14 02:12:38,922 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-14 02:12:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-14 02:12:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-14 02:12:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 02:12:38,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 02:12:38,923 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 02:12:39,162 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 02:12:39,162 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-14 02:12:39,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 02:12:39 BoogieIcfgContainer [2021-06-14 02:12:39,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 02:12:39,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 02:12:39,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 02:12:39,167 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 02:12:39,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 02:12:38" (1/3) ... [2021-06-14 02:12:39,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b46ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 02:12:39, skipping insertion in model container [2021-06-14 02:12:39,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:12:38" (2/3) ... [2021-06-14 02:12:39,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b46ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 02:12:39, skipping insertion in model container [2021-06-14 02:12:39,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 02:12:39" (3/3) ... [2021-06-14 02:12:39,168 INFO L111 eAbstractionObserver]: Analyzing ICFG safe012_tso.opt.i [2021-06-14 02:12:39,172 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 02:12:39,172 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 02:12:39,172 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 02:12:39,172 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 02:12:39,191 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,192 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,192 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,192 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,192 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,192 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,192 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,192 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,193 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,193 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,194 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,194 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,194 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,194 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,196 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,196 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,201 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,201 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,201 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,201 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,202 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,202 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,202 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,203 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,203 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,203 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,203 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,204 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,204 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,204 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,205 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,205 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,206 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,207 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,207 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,207 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,212 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,212 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,212 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,212 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,214 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,222 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,222 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,222 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:12:39,226 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-14 02:12:39,239 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 02:12:39,268 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 02:12:39,268 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 02:12:39,268 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 02:12:39,268 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 02:12:39,268 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 02:12:39,269 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 02:12:39,269 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 02:12:39,269 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 02:12:39,329 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 02:12:39,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 02:12:39,333 INFO L82 PathProgramCache]: Analyzing trace with hash -898578497, now seen corresponding path program 1 times [2021-06-14 02:12:39,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 02:12:39,338 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272179359] [2021-06-14 02:12:39,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 02:12:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 02:12:39,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 02:12:39,501 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 02:12:39,502 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272179359] [2021-06-14 02:12:39,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272179359] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 02:12:39,502 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 02:12:39,502 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 02:12:39,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389284215] [2021-06-14 02:12:39,505 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-14 02:12:39,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 02:12:39,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-14 02:12:39,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-14 02:12:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:39,515 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 02:12:39,516 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 02:12:39,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:39,524 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 02:12:39,524 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 02:12:39,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 02:12:39,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1699874213, now seen corresponding path program 1 times [2021-06-14 02:12:39,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 02:12:39,525 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871546284] [2021-06-14 02:12:39,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 02:12:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 02:12:39,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 02:12:39,681 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 02:12:39,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871546284] [2021-06-14 02:12:39,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871546284] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 02:12:39,682 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 02:12:39,682 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-14 02:12:39,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136464147] [2021-06-14 02:12:39,684 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 02:12:39,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 02:12:39,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 02:12:39,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-14 02:12:39,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:39,688 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 02:12:39,689 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 02:12:39,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:39,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:40,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:40,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 02:12:40,374 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-14 02:12:40,374 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 02:12:40,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 02:12:40,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1101433715, now seen corresponding path program 2 times [2021-06-14 02:12:40,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 02:12:40,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132806979] [2021-06-14 02:12:40,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 02:12:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 02:12:40,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 02:12:40,512 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 02:12:40,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132806979] [2021-06-14 02:12:40,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132806979] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 02:12:40,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 02:12:40,512 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-14 02:12:40,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610321118] [2021-06-14 02:12:40,513 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 02:12:40,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 02:12:40,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 02:12:40,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-14 02:12:40,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:40,514 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 02:12:40,515 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 02:12:40,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:40,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 02:12:40,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:40,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:40,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 02:12:40,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 02:12:40,942 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-14 02:12:40,942 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 02:12:40,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 02:12:40,943 INFO L82 PathProgramCache]: Analyzing trace with hash 426021338, now seen corresponding path program 1 times [2021-06-14 02:12:40,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 02:12:40,943 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395516201] [2021-06-14 02:12:40,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 02:12:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 02:12:41,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 02:12:41,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 02:12:41,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395516201] [2021-06-14 02:12:41,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395516201] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 02:12:41,037 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 02:12:41,037 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-14 02:12:41,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602665315] [2021-06-14 02:12:41,038 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-14 02:12:41,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 02:12:41,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-14 02:12:41,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-14 02:12:41,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:41,040 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 02:12:41,040 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 02:12:41,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:41,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 02:12:41,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 02:12:41,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:41,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:41,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 02:12:41,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 02:12:41,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 02:12:41,516 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-14 02:12:41,516 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 02:12:41,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 02:12:41,517 INFO L82 PathProgramCache]: Analyzing trace with hash -977500851, now seen corresponding path program 3 times [2021-06-14 02:12:41,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 02:12:41,517 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930272516] [2021-06-14 02:12:41,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 02:12:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 02:12:41,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 02:12:41,607 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 02:12:41,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930272516] [2021-06-14 02:12:41,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930272516] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 02:12:41,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 02:12:41,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-14 02:12:41,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199665718] [2021-06-14 02:12:41,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 02:12:41,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 02:12:41,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 02:12:41,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-14 02:12:41,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:41,609 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 02:12:41,609 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 02:12:41,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:41,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 02:12:41,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 02:12:41,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 02:12:41,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:42,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:12:42,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 02:12:42,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 02:12:42,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 02:12:42,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 02:12:42,048 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-14 02:12:42,054 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 02:12:42,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 02:12:42 BasicIcfg [2021-06-14 02:12:42,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 02:12:42,056 INFO L168 Benchmark]: Toolchain (without parser) took 3613.54 ms. Allocated memory was 212.9 MB in the beginning and 468.7 MB in the end (delta: 255.9 MB). Free memory was 177.4 MB in the beginning and 162.3 MB in the end (delta: 15.1 MB). Peak memory consumption was 270.4 MB. Max. memory is 8.0 GB. [2021-06-14 02:12:42,056 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 212.9 MB. Free memory is still 195.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 02:12:42,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.26 ms. Allocated memory is still 212.9 MB. Free memory was 177.2 MB in the beginning and 175.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 14.8 MB. Max. memory is 8.0 GB. [2021-06-14 02:12:42,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.43 ms. Allocated memory is still 212.9 MB. Free memory was 175.7 MB in the beginning and 173.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-14 02:12:42,057 INFO L168 Benchmark]: Boogie Preprocessor took 12.92 ms. Allocated memory is still 212.9 MB. Free memory was 173.6 MB in the beginning and 172.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-14 02:12:42,057 INFO L168 Benchmark]: RCFGBuilder took 288.72 ms. Allocated memory is still 212.9 MB. Free memory was 172.2 MB in the beginning and 148.7 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-06-14 02:12:42,057 INFO L168 Benchmark]: TraceAbstraction took 2890.23 ms. Allocated memory was 212.9 MB in the beginning and 468.7 MB in the end (delta: 255.9 MB). Free memory was 148.0 MB in the beginning and 162.3 MB in the end (delta: -14.3 MB). Peak memory consumption was 240.9 MB. Max. memory is 8.0 GB. [2021-06-14 02:12:42,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 212.9 MB. Free memory is still 195.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 395.26 ms. Allocated memory is still 212.9 MB. Free memory was 177.2 MB in the beginning and 175.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 14.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.43 ms. Allocated memory is still 212.9 MB. Free memory was 175.7 MB in the beginning and 173.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.92 ms. Allocated memory is still 212.9 MB. Free memory was 173.6 MB in the beginning and 172.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 288.72 ms. Allocated memory is still 212.9 MB. Free memory was 172.2 MB in the beginning and 148.7 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2890.23 ms. Allocated memory was 212.9 MB in the beginning and 468.7 MB in the end (delta: 255.9 MB). Free memory was 148.0 MB in the beginning and 162.3 MB in the end (delta: -14.3 MB). Peak memory consumption was 240.9 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: 108378, positive: 104226, positive conditional: 104226, positive unconditional: 0, negative: 4152, negative conditional: 4152, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 104872, positive: 104226, positive conditional: 104226, positive unconditional: 0, negative: 646, negative conditional: 646, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 104872, positive: 103497, positive conditional: 0, positive unconditional: 103497, negative: 1375, negative conditional: 0, negative unconditional: 1375, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 803, positive: 792, positive conditional: 0, positive unconditional: 792, 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: 803, positive: 786, positive conditional: 0, positive unconditional: 786, 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: 37, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 18, negative conditional: 7, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, positive: 32, positive conditional: 17, positive unconditional: 15, negative: 56, negative conditional: 13, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 104872, positive: 102705, positive conditional: 0, positive unconditional: 102705, negative: 1364, negative conditional: 0, negative unconditional: 1364, unknown: 803, unknown conditional: 0, unknown unconditional: 803] , Statistics on independence cache: Total cache size (in pairs): 823, Positive cache size: 805, Positive conditional cache size: 13, Positive unconditional cache size: 792, Negative cache size: 18, Negative conditional cache size: 7, Negative unconditional cache size: 11, SemanticConditionEliminator.Independence Queries: [ total: 4606, positive: 729, positive conditional: 729, positive unconditional: 0, negative: 3877, negative conditional: 192, negative unconditional: 3685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4606, positive: 729, positive conditional: 729, positive unconditional: 0, negative: 3877, negative conditional: 192, negative unconditional: 3685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 18, negative conditional: 7, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, positive: 32, positive conditional: 17, positive unconditional: 15, negative: 56, negative conditional: 13, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4606, positive: 716, positive conditional: 716, positive unconditional: 0, negative: 3870, negative conditional: 185, negative unconditional: 3685, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 823, Positive cache size: 805, Positive conditional cache size: 13, Positive unconditional cache size: 792, Negative cache size: 18, Negative conditional cache size: 7, Negative unconditional cache size: 11, Eliminated conditions: 3685, SemanticConditionEliminator.Independence Queries: [ total: 4606, positive: 729, positive conditional: 729, positive unconditional: 0, negative: 3877, negative conditional: 192, negative unconditional: 3685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4606, positive: 729, positive conditional: 729, positive unconditional: 0, negative: 3877, negative conditional: 192, negative unconditional: 3685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 18, negative conditional: 7, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, positive: 32, positive conditional: 17, positive unconditional: 15, negative: 56, negative conditional: 13, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4606, positive: 716, positive conditional: 716, positive unconditional: 0, negative: 3870, negative conditional: 185, negative unconditional: 3685, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 823, Positive cache size: 805, Positive conditional cache size: 13, Positive unconditional cache size: 792, Negative cache size: 18, Negative conditional cache size: 7, Negative unconditional cache size: 11, Eliminated conditions: 3685, SemanticConditionEliminator.Independence Queries: [ total: 4606, positive: 729, positive conditional: 729, positive unconditional: 0, negative: 3877, negative conditional: 192, negative unconditional: 3685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4606, positive: 729, positive conditional: 729, positive unconditional: 0, negative: 3877, negative conditional: 192, negative unconditional: 3685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 18, negative conditional: 7, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, positive: 32, positive conditional: 17, positive unconditional: 15, negative: 56, negative conditional: 13, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4606, positive: 716, positive conditional: 716, positive unconditional: 0, negative: 3870, negative conditional: 185, negative unconditional: 3685, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 823, Positive cache size: 805, Positive conditional cache size: 13, Positive unconditional cache size: 792, Negative cache size: 18, Negative conditional cache size: 7, Negative unconditional cache size: 11, Eliminated conditions: 3685, SemanticConditionEliminator.Independence Queries: [ total: 4606, positive: 729, positive conditional: 729, positive unconditional: 0, negative: 3877, negative conditional: 192, negative unconditional: 3685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4606, positive: 729, positive conditional: 729, positive unconditional: 0, negative: 3877, negative conditional: 192, negative unconditional: 3685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 18, negative conditional: 7, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, positive: 32, positive conditional: 17, positive unconditional: 15, negative: 56, negative conditional: 13, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4606, positive: 716, positive conditional: 716, positive unconditional: 0, negative: 3870, negative conditional: 185, negative unconditional: 3685, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 823, Positive cache size: 805, Positive conditional cache size: 13, Positive unconditional cache size: 792, Negative cache size: 18, Negative conditional cache size: 7, Negative unconditional cache size: 11, Eliminated conditions: 3685, SemanticConditionEliminator.Independence Queries: [ total: 4606, positive: 729, positive conditional: 729, positive unconditional: 0, negative: 3877, negative conditional: 192, negative unconditional: 3685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4606, positive: 729, positive conditional: 729, positive unconditional: 0, negative: 3877, negative conditional: 192, negative unconditional: 3685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 18, negative conditional: 7, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, positive: 32, positive conditional: 17, positive unconditional: 15, negative: 56, negative conditional: 13, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4606, positive: 716, positive conditional: 716, positive unconditional: 0, negative: 3870, negative conditional: 185, negative unconditional: 3685, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 823, Positive cache size: 805, Positive conditional cache size: 13, Positive unconditional cache size: 792, Negative cache size: 18, Negative conditional cache size: 7, Negative unconditional cache size: 11, Eliminated conditions: 3685 ], Maximal queried relation: 5, Independence queries for same thread: 3506 - 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, 108 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2801.8ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.8ms, PartialOrderReductionTime: 2083.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 16.9ms SsaConstructionTime, 141.5ms SatisfiabilityAnalysisTime, 404.7ms InterpolantComputationTime, 340 NumberOfCodeBlocks, 340 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 335 ConstructedInterpolants, 0 QuantifiedInterpolants, 804 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...