/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe015_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 01:15:05,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 01:15:05,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 01:15:05,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 01:15:05,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 01:15:05,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 01:15:05,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 01:15:05,456 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-DelaySleep-NoLbe-Random7777.epf [2021-06-07 01:15:05,483 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 01:15:05,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 01:15:05,484 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 01:15:05,484 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 01:15:05,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 01:15:05,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 01:15:05,486 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 01:15:05,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 01:15:05,487 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 01:15:05,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 01:15:05,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 01:15:05,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 01:15:05,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 01:15:05,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 01:15:05,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 01:15:05,488 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 01:15:05,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 01:15:05,488 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 01:15:05,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 01:15:05,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 01:15:05,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 01:15:05,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 01:15:05,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 01:15:05,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 01:15:05,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 01:15:05,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 01:15:05,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 01:15:05,489 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 01:15:05,489 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 01:15:05,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 01:15:05,489 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 01:15:05,489 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 01:15:05,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 01:15:05,490 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 01:15:05,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 01:15:05,490 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 01:15:05,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 01:15:05,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 01:15:05,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 01:15:05,756 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-07 01:15:05,757 INFO L275 PluginConnector]: CDTParser initialized [2021-06-07 01:15:05,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe015_pso.opt.i [2021-06-07 01:15:05,812 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3d573c91/bfc1ec941d84484dbe351736356f0681/FLAG2895e81ff [2021-06-07 01:15:06,206 INFO L306 CDTParser]: Found 1 translation units. [2021-06-07 01:15:06,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_pso.opt.i [2021-06-07 01:15:06,231 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3d573c91/bfc1ec941d84484dbe351736356f0681/FLAG2895e81ff [2021-06-07 01:15:06,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3d573c91/bfc1ec941d84484dbe351736356f0681 [2021-06-07 01:15:06,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 01:15:06,244 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-07 01:15:06,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-07 01:15:06,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-07 01:15:06,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-07 01:15:06,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:15:06" (1/1) ... [2021-06-07 01:15:06,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba00a4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:15:06, skipping insertion in model container [2021-06-07 01:15:06,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:15:06" (1/1) ... [2021-06-07 01:15:06,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-07 01:15:06,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-07 01:15:06,450 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/safe015_pso.opt.i[949,962] [2021-06-07 01:15:06,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 01:15:06,595 INFO L203 MainTranslator]: Completed pre-run [2021-06-07 01:15:06,603 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/safe015_pso.opt.i[949,962] [2021-06-07 01:15:06,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 01:15:06,678 INFO L208 MainTranslator]: Completed translation [2021-06-07 01:15:06,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:15:06 WrapperNode [2021-06-07 01:15:06,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-07 01:15:06,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 01:15:06,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 01:15:06,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 01:15:06,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:15:06" (1/1) ... [2021-06-07 01:15:06,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:15:06" (1/1) ... [2021-06-07 01:15:06,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 01:15:06,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 01:15:06,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 01:15:06,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 01:15:06,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:15:06" (1/1) ... [2021-06-07 01:15:06,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:15:06" (1/1) ... [2021-06-07 01:15:06,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:15:06" (1/1) ... [2021-06-07 01:15:06,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:15:06" (1/1) ... [2021-06-07 01:15:06,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:15:06" (1/1) ... [2021-06-07 01:15:06,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:15:06" (1/1) ... [2021-06-07 01:15:06,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:15:06" (1/1) ... [2021-06-07 01:15:06,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 01:15:06,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 01:15:06,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 01:15:06,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 01:15:06,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:15:06" (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 [2021-06-07 01:15:06,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-07 01:15:06,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-07 01:15:06,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-07 01:15:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-07 01:15:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-07 01:15:06,819 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-07 01:15:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-07 01:15:06,819 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-07 01:15:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-07 01:15:06,819 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-07 01:15:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-07 01:15:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-07 01:15:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 01:15:06,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 01:15:06,821 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 01:15:07,088 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 01:15:07,088 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-07 01:15:07,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:15:07 BoogieIcfgContainer [2021-06-07 01:15:07,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 01:15:07,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 01:15:07,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 01:15:07,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 01:15:07,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.06 01:15:06" (1/3) ... [2021-06-07 01:15:07,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58bfffc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:15:07, skipping insertion in model container [2021-06-07 01:15:07,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:15:06" (2/3) ... [2021-06-07 01:15:07,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58bfffc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:15:07, skipping insertion in model container [2021-06-07 01:15:07,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:15:07" (3/3) ... [2021-06-07 01:15:07,095 INFO L111 eAbstractionObserver]: Analyzing ICFG safe015_pso.opt.i [2021-06-07 01:15:07,099 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 01:15:07,099 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 01:15:07,099 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 01:15:07,099 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 01:15:07,119 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,120 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,120 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,120 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,120 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,120 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,120 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,120 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,121 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,121 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,121 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,121 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,122 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,122 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,122 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,122 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,124 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,124 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,124 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,124 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,124 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,124 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,124 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,124 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,125 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,125 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,125 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,126 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,126 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,127 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,127 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,131 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,131 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,131 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,131 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,134 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,134 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:15:07,139 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-07 01:15:07,154 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 [2021-06-07 01:15:07,183 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 01:15:07,183 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 01:15:07,184 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 01:15:07,184 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 01:15:07,184 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 01:15:07,184 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 01:15:07,184 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 01:15:07,184 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 01:15:07,220 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:15:07,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:15:07,224 INFO L82 PathProgramCache]: Analyzing trace with hash -17001378, now seen corresponding path program 1 times [2021-06-07 01:15:07,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:15:07,235 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553565642] [2021-06-07 01:15:07,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:15:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:15:07,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:15:07,669 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:15:07,670 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553565642] [2021-06-07 01:15:07,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553565642] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:15:07,671 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:15:07,671 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-07 01:15:07,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120849913] [2021-06-07 01:15:07,677 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-07 01:15:07,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:15:07,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-07 01:15:07,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-07 01:15:07,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:15:07,691 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:15:07,692 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 01:15:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:15:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:15:07,866 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 01:15:07,866 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:15:07,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:15:07,866 INFO L82 PathProgramCache]: Analyzing trace with hash -655993702, now seen corresponding path program 2 times [2021-06-07 01:15:07,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:15:07,867 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584121546] [2021-06-07 01:15:07,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:15:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:15:08,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:15:08,048 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:15:08,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584121546] [2021-06-07 01:15:08,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584121546] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:15:08,049 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:15:08,049 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-07 01:15:08,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910469112] [2021-06-07 01:15:08,051 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 01:15:08,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:15:08,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 01:15:08,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-07 01:15:08,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:15:08,062 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:15:08,062 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 01:15:08,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:15:08,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:15:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:15:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 01:15:08,570 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 01:15:08,570 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:15:08,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:15:08,570 INFO L82 PathProgramCache]: Analyzing trace with hash 2060637168, now seen corresponding path program 3 times [2021-06-07 01:15:08,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:15:08,571 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675477652] [2021-06-07 01:15:08,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:15:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:15:08,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:15:08,649 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:15:08,649 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675477652] [2021-06-07 01:15:08,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675477652] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:15:08,649 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:15:08,650 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 01:15:08,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159629438] [2021-06-07 01:15:08,650 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 01:15:08,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:15:08,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 01:15:08,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 01:15:08,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:15:08,651 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:15:08,651 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 01:15:08,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:15:08,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 01:15:08,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:15:08,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:15:08,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 01:15:08,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:15:08,932 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 01:15:08,932 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:15:08,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:15:08,933 INFO L82 PathProgramCache]: Analyzing trace with hash -829818626, now seen corresponding path program 4 times [2021-06-07 01:15:08,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:15:08,933 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86010098] [2021-06-07 01:15:08,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:15:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:15:09,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:15:09,048 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:15:09,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86010098] [2021-06-07 01:15:09,048 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86010098] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:15:09,048 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:15:09,048 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 01:15:09,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469790972] [2021-06-07 01:15:09,049 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 01:15:09,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:15:09,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 01:15:09,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 01:15:09,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:15:09,051 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:15:09,051 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 01:15:09,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:15:09,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 01:15:09,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:15:09,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:15:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:15:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 01:15:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:15:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 01:15:09,438 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-07 01:15:09,438 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:15:09,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:15:09,438 INFO L82 PathProgramCache]: Analyzing trace with hash -416560372, now seen corresponding path program 5 times [2021-06-07 01:15:09,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:15:09,439 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160260434] [2021-06-07 01:15:09,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:15:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:15:09,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:15:09,505 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:15:09,505 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160260434] [2021-06-07 01:15:09,506 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160260434] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:15:09,506 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:15:09,506 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 01:15:09,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068915462] [2021-06-07 01:15:09,506 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 01:15:09,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:15:09,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 01:15:09,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 01:15:09,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:15:09,507 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:15:09,507 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 01:15:09,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:15:09,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 01:15:09,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:15:09,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 01:15:09,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:15:10,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:15:10,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 01:15:10,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:15:10,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 01:15:10,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:15:10,111 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-07 01:15:10,123 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 01:15:10,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 01:15:10 BasicIcfg [2021-06-07 01:15:10,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 01:15:10,127 INFO L168 Benchmark]: Toolchain (without parser) took 3881.21 ms. Allocated memory was 392.2 MB in the beginning and 471.9 MB in the end (delta: 79.7 MB). Free memory was 354.1 MB in the beginning and 392.0 MB in the end (delta: -37.9 MB). Peak memory consumption was 276.3 MB. Max. memory is 16.0 GB. [2021-06-07 01:15:10,127 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 392.2 MB. Free memory is still 372.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 01:15:10,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.76 ms. Allocated memory is still 392.2 MB. Free memory was 353.9 MB in the beginning and 354.0 MB in the end (delta: -96.7 kB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. [2021-06-07 01:15:10,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.13 ms. Allocated memory is still 392.2 MB. Free memory was 354.0 MB in the beginning and 351.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 01:15:10,128 INFO L168 Benchmark]: Boogie Preprocessor took 26.50 ms. Allocated memory is still 392.2 MB. Free memory was 351.9 MB in the beginning and 350.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 01:15:10,128 INFO L168 Benchmark]: RCFGBuilder took 340.52 ms. Allocated memory is still 392.2 MB. Free memory was 350.9 MB in the beginning and 324.7 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-07 01:15:10,128 INFO L168 Benchmark]: TraceAbstraction took 3033.61 ms. Allocated memory was 392.2 MB in the beginning and 471.9 MB in the end (delta: 79.7 MB). Free memory was 324.7 MB in the beginning and 392.0 MB in the end (delta: -67.4 MB). Peak memory consumption was 248.3 MB. Max. memory is 16.0 GB. [2021-06-07 01:15:10,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 392.2 MB. Free memory is still 372.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 433.76 ms. Allocated memory is still 392.2 MB. Free memory was 353.9 MB in the beginning and 354.0 MB in the end (delta: -96.7 kB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 42.13 ms. Allocated memory is still 392.2 MB. Free memory was 354.0 MB in the beginning and 351.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.50 ms. Allocated memory is still 392.2 MB. Free memory was 351.9 MB in the beginning and 350.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 340.52 ms. Allocated memory is still 392.2 MB. Free memory was 350.9 MB in the beginning and 324.7 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3033.61 ms. Allocated memory was 392.2 MB in the beginning and 471.9 MB in the end (delta: 79.7 MB). Free memory was 324.7 MB in the beginning and 392.0 MB in the end (delta: -67.4 MB). Peak memory consumption was 248.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 94308, positive: 90565, positive conditional: 90565, positive unconditional: 0, negative: 3743, negative conditional: 3743, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 91093, positive: 90565, positive conditional: 90565, positive unconditional: 0, negative: 528, negative conditional: 528, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 91093, positive: 89875, positive conditional: 0, positive unconditional: 89875, negative: 1218, negative conditional: 0, negative unconditional: 1218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 666, positive: 653, positive conditional: 0, positive unconditional: 653, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 666, positive: 647, positive conditional: 0, positive unconditional: 647, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 10, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 32, positive conditional: 17, positive unconditional: 15, negative: 78, negative conditional: 13, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 91093, positive: 89222, positive conditional: 0, positive unconditional: 89222, negative: 1205, negative conditional: 0, negative unconditional: 1205, unknown: 666, unknown conditional: 0, unknown unconditional: 666] , Statistics on independence cache: Total cache size (in pairs): 686, Positive cache size: 663, Positive conditional cache size: 10, Positive unconditional cache size: 653, Negative cache size: 23, Negative conditional cache size: 10, Negative unconditional cache size: 13, SemanticConditionEliminator.Independence Queries: [ total: 3512, positive: 690, positive conditional: 690, positive unconditional: 0, negative: 2822, negative conditional: 320, negative unconditional: 2502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3512, positive: 690, positive conditional: 690, positive unconditional: 0, negative: 2822, negative conditional: 320, negative unconditional: 2502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 10, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 32, positive conditional: 17, positive unconditional: 15, negative: 78, negative conditional: 13, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3512, positive: 680, positive conditional: 680, positive unconditional: 0, negative: 2812, negative conditional: 310, negative unconditional: 2502, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 686, Positive cache size: 663, Positive conditional cache size: 10, Positive unconditional cache size: 653, Negative cache size: 23, Negative conditional cache size: 10, Negative unconditional cache size: 13, Eliminated conditions: 2502, SemanticConditionEliminator.Independence Queries: [ total: 3512, positive: 690, positive conditional: 690, positive unconditional: 0, negative: 2822, negative conditional: 320, negative unconditional: 2502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3512, positive: 690, positive conditional: 690, positive unconditional: 0, negative: 2822, negative conditional: 320, negative unconditional: 2502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 10, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 32, positive conditional: 17, positive unconditional: 15, negative: 78, negative conditional: 13, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3512, positive: 680, positive conditional: 680, positive unconditional: 0, negative: 2812, negative conditional: 310, negative unconditional: 2502, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 686, Positive cache size: 663, Positive conditional cache size: 10, Positive unconditional cache size: 653, Negative cache size: 23, Negative conditional cache size: 10, Negative unconditional cache size: 13, Eliminated conditions: 2502, SemanticConditionEliminator.Independence Queries: [ total: 3512, positive: 690, positive conditional: 690, positive unconditional: 0, negative: 2822, negative conditional: 320, negative unconditional: 2502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3512, positive: 690, positive conditional: 690, positive unconditional: 0, negative: 2822, negative conditional: 320, negative unconditional: 2502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 10, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 32, positive conditional: 17, positive unconditional: 15, negative: 78, negative conditional: 13, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3512, positive: 680, positive conditional: 680, positive unconditional: 0, negative: 2812, negative conditional: 310, negative unconditional: 2502, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 686, Positive cache size: 663, Positive conditional cache size: 10, Positive unconditional cache size: 653, Negative cache size: 23, Negative conditional cache size: 10, Negative unconditional cache size: 13, Eliminated conditions: 2502, SemanticConditionEliminator.Independence Queries: [ total: 3512, positive: 690, positive conditional: 690, positive unconditional: 0, negative: 2822, negative conditional: 320, negative unconditional: 2502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3512, positive: 690, positive conditional: 690, positive unconditional: 0, negative: 2822, negative conditional: 320, negative unconditional: 2502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 10, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 32, positive conditional: 17, positive unconditional: 15, negative: 78, negative conditional: 13, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3512, positive: 680, positive conditional: 680, positive unconditional: 0, negative: 2812, negative conditional: 310, negative unconditional: 2502, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 686, Positive cache size: 663, Positive conditional cache size: 10, Positive unconditional cache size: 653, Negative cache size: 23, Negative conditional cache size: 10, Negative unconditional cache size: 13, Eliminated conditions: 2502, SemanticConditionEliminator.Independence Queries: [ total: 3512, positive: 690, positive conditional: 690, positive unconditional: 0, negative: 2822, negative conditional: 320, negative unconditional: 2502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3512, positive: 690, positive conditional: 690, positive unconditional: 0, negative: 2822, negative conditional: 320, negative unconditional: 2502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 10, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 32, positive conditional: 17, positive unconditional: 15, negative: 78, negative conditional: 13, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3512, positive: 680, positive conditional: 680, positive unconditional: 0, negative: 2812, negative conditional: 310, negative unconditional: 2502, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 686, Positive cache size: 663, Positive conditional cache size: 10, Positive unconditional cache size: 653, Negative cache size: 23, Negative conditional cache size: 10, Negative unconditional cache size: 13, Eliminated conditions: 2502 ], Maximal queried relation: 5, Independence queries for same thread: 3215 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2957.8ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.5ms, PartialOrderReductionTime: 1971.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 43, 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: 24.3ms SsaConstructionTime, 169.7ms SatisfiabilityAnalysisTime, 593.7ms InterpolantComputationTime, 330 NumberOfCodeBlocks, 330 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 325 ConstructedInterpolants, 0 QuantifiedInterpolants, 790 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...