/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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe037_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 12:24:30,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 12:24:30,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 12:24:30,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 12:24:30,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 12:24:30,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 12:24:30,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 12:24:30,818 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-14 12:24:30,861 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 12:24:30,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 12:24:30,861 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 12:24:30,861 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 12:24:30,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 12:24:30,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 12:24:30,862 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 12:24:30,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 12:24:30,863 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 12:24:30,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 12:24:30,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 12:24:30,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 12:24:30,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 12:24:30,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 12:24:30,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 12:24:30,863 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 12:24:30,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 12:24:30,863 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 12:24:30,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 12:24:30,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 12:24:30,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 12:24:30,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 12:24:30,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 12:24:30,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 12:24:30,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 12:24:30,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 12:24:30,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 12:24:30,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 12:24:30,865 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 12:24:30,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 12:24:30,865 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 12:24:30,865 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 12:24:30,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 12:24:30,865 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 12:24:30,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 12:24:31,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 12:24:31,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 12:24:31,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 12:24:31,114 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 12:24:31,116 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 12:24:31,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037_power.opt.i [2021-07-14 12:24:31,167 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d01291d72/9868a74f10b34d37a486b72a5e62eb0c/FLAG54b411696 [2021-07-14 12:24:31,647 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 12:24:31,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037_power.opt.i [2021-07-14 12:24:31,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d01291d72/9868a74f10b34d37a486b72a5e62eb0c/FLAG54b411696 [2021-07-14 12:24:31,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d01291d72/9868a74f10b34d37a486b72a5e62eb0c [2021-07-14 12:24:31,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 12:24:31,668 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 12:24:31,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 12:24:31,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 12:24:31,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 12:24:31,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:24:31" (1/1) ... [2021-07-14 12:24:31,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262b7434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:24:31, skipping insertion in model container [2021-07-14 12:24:31,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:24:31" (1/1) ... [2021-07-14 12:24:31,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 12:24:31,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 12:24:31,866 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/safe037_power.opt.i[951,964] [2021-07-14 12:24:31,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 12:24:32,001 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 12:24:32,011 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/safe037_power.opt.i[951,964] [2021-07-14 12:24:32,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 12:24:32,069 INFO L208 MainTranslator]: Completed translation [2021-07-14 12:24:32,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:24:32 WrapperNode [2021-07-14 12:24:32,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 12:24:32,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 12:24:32,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 12:24:32,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 12:24:32,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:24:32" (1/1) ... [2021-07-14 12:24:32,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:24:32" (1/1) ... [2021-07-14 12:24:32,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 12:24:32,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 12:24:32,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 12:24:32,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 12:24:32,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:24:32" (1/1) ... [2021-07-14 12:24:32,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:24:32" (1/1) ... [2021-07-14 12:24:32,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:24:32" (1/1) ... [2021-07-14 12:24:32,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:24:32" (1/1) ... [2021-07-14 12:24:32,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:24:32" (1/1) ... [2021-07-14 12:24:32,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:24:32" (1/1) ... [2021-07-14 12:24:32,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:24:32" (1/1) ... [2021-07-14 12:24:32,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 12:24:32,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 12:24:32,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 12:24:32,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 12:24:32,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:24:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 12:24:32,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 12:24:32,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 12:24:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 12:24:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 12:24:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-14 12:24:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-14 12:24:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-14 12:24:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-14 12:24:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-14 12:24:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-14 12:24:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 12:24:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 12:24:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 12:24:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 12:24:32,170 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 12:24:32,455 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 12:24:32,455 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-14 12:24:32,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:24:32 BoogieIcfgContainer [2021-07-14 12:24:32,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 12:24:32,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 12:24:32,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 12:24:32,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 12:24:32,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:24:31" (1/3) ... [2021-07-14 12:24:32,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8ab16d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:24:32, skipping insertion in model container [2021-07-14 12:24:32,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:24:32" (2/3) ... [2021-07-14 12:24:32,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8ab16d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:24:32, skipping insertion in model container [2021-07-14 12:24:32,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:24:32" (3/3) ... [2021-07-14 12:24:32,462 INFO L111 eAbstractionObserver]: Analyzing ICFG safe037_power.opt.i [2021-07-14 12:24:32,466 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 12:24:32,466 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 12:24:32,466 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 12:24:32,467 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 12:24:32,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,487 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,487 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,487 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,487 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,488 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,488 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,489 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,489 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,489 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,490 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,490 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,490 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,490 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,492 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,492 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,496 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,497 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,498 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,499 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,499 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:24:32,500 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 12:24:32,515 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) [2021-07-14 12:24:32,561 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 12:24:32,561 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 12:24:32,561 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 12:24:32,561 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 12:24:32,561 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 12:24:32,561 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 12:24:32,561 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 12:24:32,562 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 12:24:32,712 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:24:32,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:24:32,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1692957534, now seen corresponding path program 1 times [2021-07-14 12:24:32,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:24:32,720 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914765090] [2021-07-14 12:24:32,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:24:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:24:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:24:32,855 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:24:32,855 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914765090] [2021-07-14 12:24:32,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914765090] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:24:32,856 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:24:32,856 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 12:24:32,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687459115] [2021-07-14 12:24:32,859 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 12:24:32,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:24:32,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 12:24:32,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 12:24:32,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:32,873 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:24:32,875 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:24:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:32,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:32,898 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 12:24:32,898 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:24:32,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:24:32,901 INFO L82 PathProgramCache]: Analyzing trace with hash 180439110, now seen corresponding path program 1 times [2021-07-14 12:24:32,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:24:32,902 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738280492] [2021-07-14 12:24:32,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:24:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:24:33,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:24:33,095 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:24:33,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738280492] [2021-07-14 12:24:33,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738280492] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:24:33,099 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:24:33,099 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 12:24:33,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328918762] [2021-07-14 12:24:33,101 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 12:24:33,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:24:33,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 12:24:33,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 12:24:33,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:33,107 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:24:33,108 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:24:33,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:33,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 12:24:33,255 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 12:24:33,255 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:24:33,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:24:33,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1740272923, now seen corresponding path program 1 times [2021-07-14 12:24:33,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:24:33,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147851014] [2021-07-14 12:24:33,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:24:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:24:33,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:24:33,386 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:24:33,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147851014] [2021-07-14 12:24:33,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147851014] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:24:33,387 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:24:33,387 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 12:24:33,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927222285] [2021-07-14 12:24:33,387 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 12:24:33,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:24:33,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 12:24:33,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 12:24:33,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:33,388 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:24:33,388 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:24:33,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:33,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 12:24:33,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 12:24:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:24:33,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 12:24:33,564 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:24:33,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:24:33,564 INFO L82 PathProgramCache]: Analyzing trace with hash -488135888, now seen corresponding path program 1 times [2021-07-14 12:24:33,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:24:33,564 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307165400] [2021-07-14 12:24:33,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:24:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:24:33,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:24:33,657 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:24:33,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307165400] [2021-07-14 12:24:33,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307165400] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:24:33,657 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:24:33,657 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 12:24:33,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166091047] [2021-07-14 12:24:33,657 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 12:24:33,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:24:33,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 12:24:33,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-14 12:24:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:33,658 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:24:33,658 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:24:33,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:33,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 12:24:33,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:24:33,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:33,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:33,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 12:24:33,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 12:24:33,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:24:33,890 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 12:24:33,890 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:24:33,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:24:33,890 INFO L82 PathProgramCache]: Analyzing trace with hash -689479194, now seen corresponding path program 2 times [2021-07-14 12:24:33,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:24:33,891 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805315199] [2021-07-14 12:24:33,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:24:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:24:33,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:24:33,979 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:24:33,979 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805315199] [2021-07-14 12:24:33,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805315199] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:24:33,979 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:24:33,979 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 12:24:33,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700622597] [2021-07-14 12:24:33,980 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 12:24:33,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:24:33,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 12:24:33,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 12:24:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:33,980 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:24:33,981 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:24:33,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:33,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 12:24:33,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 12:24:33,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:24:33,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:34,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 12:24:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 12:24:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:24:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:24:34,134 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 12:24:34,134 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:24:34,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:24:34,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1968928878, now seen corresponding path program 3 times [2021-07-14 12:24:34,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:24:34,135 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463895188] [2021-07-14 12:24:34,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:24:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:24:34,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:24:34,225 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:24:34,226 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463895188] [2021-07-14 12:24:34,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463895188] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:24:34,226 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:24:34,226 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 12:24:34,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429344753] [2021-07-14 12:24:34,226 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 12:24:34,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:24:34,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 12:24:34,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 12:24:34,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:34,227 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:24:34,227 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:24:34,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:34,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 12:24:34,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 12:24:34,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:24:34,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:24:34,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:34,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:24:34,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 12:24:34,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 12:24:34,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:24:34,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:24:34,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 12:24:34,390 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-14 12:24:34,407 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 12:24:34,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 12:24:34 BasicIcfg [2021-07-14 12:24:34,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 12:24:34,409 INFO L168 Benchmark]: Toolchain (without parser) took 2740.90 ms. Allocated memory was 181.4 MB in the beginning and 221.2 MB in the end (delta: 39.8 MB). Free memory was 143.7 MB in the beginning and 179.9 MB in the end (delta: -36.2 MB). Peak memory consumption was 115.9 MB. Max. memory is 8.0 GB. [2021-07-14 12:24:34,409 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 181.4 MB. Free memory was 162.2 MB in the beginning and 162.1 MB in the end (delta: 106.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 12:24:34,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.39 ms. Allocated memory is still 181.4 MB. Free memory was 143.6 MB in the beginning and 154.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-07-14 12:24:34,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.43 ms. Allocated memory is still 181.4 MB. Free memory was 154.5 MB in the beginning and 152.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 12:24:34,410 INFO L168 Benchmark]: Boogie Preprocessor took 14.32 ms. Allocated memory is still 181.4 MB. Free memory was 152.4 MB in the beginning and 151.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 12:24:34,410 INFO L168 Benchmark]: RCFGBuilder took 347.56 ms. Allocated memory is still 181.4 MB. Free memory was 151.3 MB in the beginning and 126.7 MB in the end (delta: 24.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-07-14 12:24:34,411 INFO L168 Benchmark]: TraceAbstraction took 1950.27 ms. Allocated memory was 181.4 MB in the beginning and 221.2 MB in the end (delta: 39.8 MB). Free memory was 126.2 MB in the beginning and 179.9 MB in the end (delta: -53.7 MB). Peak memory consumption was 99.3 MB. Max. memory is 8.0 GB. [2021-07-14 12:24:34,412 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 181.4 MB. Free memory was 162.2 MB in the beginning and 162.1 MB in the end (delta: 106.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 400.39 ms. Allocated memory is still 181.4 MB. Free memory was 143.6 MB in the beginning and 154.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.43 ms. Allocated memory is still 181.4 MB. Free memory was 154.5 MB in the beginning and 152.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.32 ms. Allocated memory is still 181.4 MB. Free memory was 152.4 MB in the beginning and 151.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 347.56 ms. Allocated memory is still 181.4 MB. Free memory was 151.3 MB in the beginning and 126.7 MB in the end (delta: 24.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1950.27 ms. Allocated memory was 181.4 MB in the beginning and 221.2 MB in the end (delta: 39.8 MB). Free memory was 126.2 MB in the beginning and 179.9 MB in the end (delta: -53.7 MB). Peak memory consumption was 99.3 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: 11598, positive: 11379, positive conditional: 6123, positive unconditional: 5256, negative: 219, negative conditional: 183, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 11532, positive: 11379, positive conditional: 6123, positive unconditional: 5256, negative: 153, negative conditional: 117, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 11532, positive: 11144, positive conditional: 0, positive unconditional: 11144, negative: 388, negative conditional: 0, negative unconditional: 388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1174, positive: 1154, positive conditional: 0, positive unconditional: 1154, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1174, positive: 1148, positive conditional: 0, positive unconditional: 1148, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 26, negative conditional: 6, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 41, positive conditional: 29, positive unconditional: 13, negative: 95, negative conditional: 30, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11532, positive: 9990, positive conditional: 0, positive unconditional: 9990, negative: 368, negative conditional: 0, negative unconditional: 368, unknown: 1174, unknown conditional: 0, unknown unconditional: 1174] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 26, Negative conditional cache size: 6, Negative unconditional cache size: 20, SemanticConditionEliminator.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 26, negative conditional: 6, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 41, positive conditional: 29, positive unconditional: 13, negative: 95, negative conditional: 30, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1172, positive: 226, positive conditional: 226, positive unconditional: 0, negative: 931, negative conditional: 18, negative unconditional: 913, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 26, Negative conditional cache size: 6, Negative unconditional cache size: 20, Eliminated conditions: 883, SemanticConditionEliminator.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 26, negative conditional: 6, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 41, positive conditional: 29, positive unconditional: 13, negative: 95, negative conditional: 30, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1172, positive: 226, positive conditional: 226, positive unconditional: 0, negative: 931, negative conditional: 18, negative unconditional: 913, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 26, Negative conditional cache size: 6, Negative unconditional cache size: 20, Eliminated conditions: 883, SemanticConditionEliminator.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 26, negative conditional: 6, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 41, positive conditional: 29, positive unconditional: 13, negative: 95, negative conditional: 30, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1172, positive: 226, positive conditional: 226, positive unconditional: 0, negative: 931, negative conditional: 18, negative unconditional: 913, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 26, Negative conditional cache size: 6, Negative unconditional cache size: 20, Eliminated conditions: 883, SemanticConditionEliminator.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 26, negative conditional: 6, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 41, positive conditional: 29, positive unconditional: 13, negative: 95, negative conditional: 30, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1172, positive: 226, positive conditional: 226, positive unconditional: 0, negative: 931, negative conditional: 18, negative unconditional: 913, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 26, Negative conditional cache size: 6, Negative unconditional cache size: 20, Eliminated conditions: 883, SemanticConditionEliminator.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 26, negative conditional: 6, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 41, positive conditional: 29, positive unconditional: 13, negative: 95, negative conditional: 30, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1172, positive: 226, positive conditional: 226, positive unconditional: 0, negative: 931, negative conditional: 18, negative unconditional: 913, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 26, Negative conditional cache size: 6, Negative unconditional cache size: 20, Eliminated conditions: 883, SemanticConditionEliminator.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 26, negative conditional: 6, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 41, positive conditional: 29, positive unconditional: 13, negative: 95, negative conditional: 30, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1172, positive: 226, positive conditional: 226, positive unconditional: 0, negative: 931, negative conditional: 18, negative unconditional: 913, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 26, Negative conditional cache size: 6, Negative unconditional cache size: 20, Eliminated conditions: 883 ], Maximal queried relation: 6, Independence queries for same thread: 66 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 179, Number of persistent set computation: 305, Number of trivial persistent sets: 91, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11598, positive: 11379, positive conditional: 6123, positive unconditional: 5256, negative: 219, negative conditional: 183, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 11532, positive: 11379, positive conditional: 6123, positive unconditional: 5256, negative: 153, negative conditional: 117, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 11532, positive: 11144, positive conditional: 0, positive unconditional: 11144, negative: 388, negative conditional: 0, negative unconditional: 388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1174, positive: 1154, positive conditional: 0, positive unconditional: 1154, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1174, positive: 1148, positive conditional: 0, positive unconditional: 1148, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 26, negative conditional: 6, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 41, positive conditional: 29, positive unconditional: 13, negative: 95, negative conditional: 30, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11532, positive: 9990, positive conditional: 0, positive unconditional: 9990, negative: 368, negative conditional: 0, negative unconditional: 368, unknown: 1174, unknown conditional: 0, unknown unconditional: 1174] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 26, Negative conditional cache size: 6, Negative unconditional cache size: 20, SemanticConditionEliminator.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 26, negative conditional: 6, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 41, positive conditional: 29, positive unconditional: 13, negative: 95, negative conditional: 30, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1172, positive: 226, positive conditional: 226, positive unconditional: 0, negative: 931, negative conditional: 18, negative unconditional: 913, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 26, Negative conditional cache size: 6, Negative unconditional cache size: 20, Eliminated conditions: 883, SemanticConditionEliminator.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 26, negative conditional: 6, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 41, positive conditional: 29, positive unconditional: 13, negative: 95, negative conditional: 30, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1172, positive: 226, positive conditional: 226, positive unconditional: 0, negative: 931, negative conditional: 18, negative unconditional: 913, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 26, Negative conditional cache size: 6, Negative unconditional cache size: 20, Eliminated conditions: 883, SemanticConditionEliminator.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 26, negative conditional: 6, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 41, positive conditional: 29, positive unconditional: 13, negative: 95, negative conditional: 30, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1172, positive: 226, positive conditional: 226, positive unconditional: 0, negative: 931, negative conditional: 18, negative unconditional: 913, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 26, Negative conditional cache size: 6, Negative unconditional cache size: 20, Eliminated conditions: 883, SemanticConditionEliminator.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 26, negative conditional: 6, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 41, positive conditional: 29, positive unconditional: 13, negative: 95, negative conditional: 30, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1172, positive: 226, positive conditional: 226, positive unconditional: 0, negative: 931, negative conditional: 18, negative unconditional: 913, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 26, Negative conditional cache size: 6, Negative unconditional cache size: 20, Eliminated conditions: 883, SemanticConditionEliminator.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 26, negative conditional: 6, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 41, positive conditional: 29, positive unconditional: 13, negative: 95, negative conditional: 30, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1172, positive: 226, positive conditional: 226, positive unconditional: 0, negative: 931, negative conditional: 18, negative unconditional: 913, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 26, Negative conditional cache size: 6, Negative unconditional cache size: 20, Eliminated conditions: 883, SemanticConditionEliminator.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1172, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 937, negative conditional: 24, negative unconditional: 913, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 26, negative conditional: 6, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 41, positive conditional: 29, positive unconditional: 13, negative: 95, negative conditional: 30, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1172, positive: 226, positive conditional: 226, positive unconditional: 0, negative: 931, negative conditional: 18, negative unconditional: 913, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1163, Positive conditional cache size: 9, Positive unconditional cache size: 1154, Negative cache size: 26, Negative conditional cache size: 6, Negative unconditional cache size: 20, Eliminated conditions: 883 ], Maximal queried relation: 6, Independence queries for same thread: 66 - 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: 1879.5ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.6ms, PartialOrderReductionTime: 1028.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.6ms SsaConstructionTime, 143.5ms SatisfiabilityAnalysisTime, 485.6ms InterpolantComputationTime, 355 NumberOfCodeBlocks, 355 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 901 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...