/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe037_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 08:17:01,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 08:17:01,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 08:17:01,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 08:17:01,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 08:17:01,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 08:17:01,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 08:17:01,756 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.epf [2021-06-06 08:17:01,791 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 08:17:01,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 08:17:01,791 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 08:17:01,792 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 08:17:01,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 08:17:01,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 08:17:01,794 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 08:17:01,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 08:17:01,795 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 08:17:01,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 08:17:01,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 08:17:01,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 08:17:01,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 08:17:01,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 08:17:01,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 08:17:01,797 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 08:17:01,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 08:17:01,797 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 08:17:01,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 08:17:01,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 08:17:01,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 08:17:01,797 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 08:17:01,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 08:17:01,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 08:17:01,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 08:17:01,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 08:17:01,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 08:17:01,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 08:17:01,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 08:17:01,799 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 08:17:01,799 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 08:17:01,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 08:17:01,799 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 08:17:01,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 08:17:02,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 08:17:02,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 08:17:02,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 08:17:02,162 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 08:17:02,163 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 08:17:02,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037_pso.opt.i [2021-06-06 08:17:02,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173552760/5ac149836f6e4d6eb1fd00b4ebe3bf6f/FLAG4dbc08638 [2021-06-06 08:17:02,910 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 08:17:02,911 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037_pso.opt.i [2021-06-06 08:17:02,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173552760/5ac149836f6e4d6eb1fd00b4ebe3bf6f/FLAG4dbc08638 [2021-06-06 08:17:03,053 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173552760/5ac149836f6e4d6eb1fd00b4ebe3bf6f [2021-06-06 08:17:03,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 08:17:03,057 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 08:17:03,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 08:17:03,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 08:17:03,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 08:17:03,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 08:17:03" (1/1) ... [2021-06-06 08:17:03,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602d8871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:17:03, skipping insertion in model container [2021-06-06 08:17:03,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 08:17:03" (1/1) ... [2021-06-06 08:17:03,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 08:17:03,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 08:17:03,291 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_pso.opt.i[949,962] [2021-06-06 08:17:03,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 08:17:03,478 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 08:17:03,492 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_pso.opt.i[949,962] [2021-06-06 08:17:03,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 08:17:03,613 INFO L208 MainTranslator]: Completed translation [2021-06-06 08:17:03,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:17:03 WrapperNode [2021-06-06 08:17:03,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 08:17:03,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 08:17:03,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 08:17:03,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 08:17:03,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:17:03" (1/1) ... [2021-06-06 08:17:03,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:17:03" (1/1) ... [2021-06-06 08:17:03,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 08:17:03,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 08:17:03,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 08:17:03,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 08:17:03,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:17:03" (1/1) ... [2021-06-06 08:17:03,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:17:03" (1/1) ... [2021-06-06 08:17:03,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:17:03" (1/1) ... [2021-06-06 08:17:03,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:17:03" (1/1) ... [2021-06-06 08:17:03,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:17:03" (1/1) ... [2021-06-06 08:17:03,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:17:03" (1/1) ... [2021-06-06 08:17:03,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:17:03" (1/1) ... [2021-06-06 08:17:03,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 08:17:03,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 08:17:03,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 08:17:03,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 08:17:03,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:17:03" (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 [2021-06-06 08:17:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 08:17:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 08:17:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 08:17:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 08:17:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-06 08:17:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-06 08:17:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-06 08:17:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-06 08:17:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-06 08:17:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-06 08:17:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 08:17:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 08:17:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 08:17:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 08:17:03,796 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 08:17:04,155 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 08:17:04,156 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-06 08:17:04,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:17:04 BoogieIcfgContainer [2021-06-06 08:17:04,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 08:17:04,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 08:17:04,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 08:17:04,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 08:17:04,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 08:17:03" (1/3) ... [2021-06-06 08:17:04,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b474dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:17:04, skipping insertion in model container [2021-06-06 08:17:04,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:17:03" (2/3) ... [2021-06-06 08:17:04,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b474dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:17:04, skipping insertion in model container [2021-06-06 08:17:04,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:17:04" (3/3) ... [2021-06-06 08:17:04,164 INFO L111 eAbstractionObserver]: Analyzing ICFG safe037_pso.opt.i [2021-06-06 08:17:04,168 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 08:17:04,169 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 08:17:04,169 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 08:17:04,169 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 08:17:04,193 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,193 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,193 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,193 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,193 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,194 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,194 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,194 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,194 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,194 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,194 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,195 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,195 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,195 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,196 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,196 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,197 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,197 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,197 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,198 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,198 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,198 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,201 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,201 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,201 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,201 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,205 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,206 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,208 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,208 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:17:04,209 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 08:17:04,229 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 [2021-06-06 08:17:04,291 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 08:17:04,292 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 08:17:04,292 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 08:17:04,292 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 08:17:04,292 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 08:17:04,292 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 08:17:04,293 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 08:17:04,293 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 08:17:04,348 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 08:17:04,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:17:04,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1139497341, now seen corresponding path program 1 times [2021-06-06 08:17:04,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:17:04,364 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361424168] [2021-06-06 08:17:04,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:17:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:17:04,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 08:17:04,748 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:17:04,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361424168] [2021-06-06 08:17:04,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361424168] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:17:04,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:17:04,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 08:17:04,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772943020] [2021-06-06 08:17:04,755 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 08:17:04,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:17:04,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 08:17:04,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 08:17:04,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:17:04,774 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:17:04,776 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 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) [2021-06-06 08:17:04,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:17:05,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 08:17:05,027 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 08:17:05,027 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 08:17:05,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:17:05,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1725947451, now seen corresponding path program 1 times [2021-06-06 08:17:05,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:17:05,029 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798252500] [2021-06-06 08:17:05,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:17:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:17:05,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 08:17:05,236 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:17:05,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798252500] [2021-06-06 08:17:05,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798252500] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:17:05,236 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:17:05,236 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 08:17:05,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303617438] [2021-06-06 08:17:05,237 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 08:17:05,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:17:05,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 08:17:05,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 08:17:05,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:17:05,239 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:17:05,239 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) [2021-06-06 08:17:05,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 08:17:05,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:17:05,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 08:17:05,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 08:17:05,825 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 08:17:05,825 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 08:17:05,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:17:05,826 INFO L82 PathProgramCache]: Analyzing trace with hash -372922875, now seen corresponding path program 2 times [2021-06-06 08:17:05,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:17:05,826 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741406731] [2021-06-06 08:17:05,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:17:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:17:05,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 08:17:05,939 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:17:05,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741406731] [2021-06-06 08:17:05,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741406731] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:17:05,940 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:17:05,940 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 08:17:05,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527657816] [2021-06-06 08:17:05,940 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 08:17:05,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:17:05,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 08:17:05,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 08:17:05,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:17:05,943 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:17:05,943 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) [2021-06-06 08:17:05,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 08:17:05,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 08:17:05,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:17:06,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 08:17:06,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 08:17:06,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 08:17:06,441 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 08:17:06,441 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 08:17:06,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:17:06,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1603055545, now seen corresponding path program 3 times [2021-06-06 08:17:06,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:17:06,442 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554413216] [2021-06-06 08:17:06,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:17:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:17:06,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 08:17:06,544 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:17:06,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554413216] [2021-06-06 08:17:06,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554413216] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:17:06,545 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:17:06,545 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 08:17:06,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620337345] [2021-06-06 08:17:06,546 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 08:17:06,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:17:06,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 08:17:06,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 08:17:06,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:17:06,552 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:17:06,552 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) [2021-06-06 08:17:06,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 08:17:06,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 08:17:06,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 08:17:06,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:17:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 08:17:07,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 08:17:07,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 08:17:07,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 08:17:07,306 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 08:17:07,318 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 08:17:07,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 08:17:07 BasicIcfg [2021-06-06 08:17:07,321 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 08:17:07,322 INFO L168 Benchmark]: Toolchain (without parser) took 4264.16 ms. Allocated memory was 367.0 MB in the beginning and 467.7 MB in the end (delta: 100.7 MB). Free memory was 329.6 MB in the beginning and 362.5 MB in the end (delta: -32.9 MB). Peak memory consumption was 244.0 MB. Max. memory is 16.0 GB. [2021-06-06 08:17:07,322 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 367.0 MB. Free memory was 347.8 MB in the beginning and 347.8 MB in the end (delta: 65.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 08:17:07,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.46 ms. Allocated memory is still 367.0 MB. Free memory was 329.4 MB in the beginning and 330.0 MB in the end (delta: -576.8 kB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. [2021-06-06 08:17:07,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.10 ms. Allocated memory is still 367.0 MB. Free memory was 330.0 MB in the beginning and 327.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 08:17:07,325 INFO L168 Benchmark]: Boogie Preprocessor took 33.53 ms. Allocated memory is still 367.0 MB. Free memory was 327.9 MB in the beginning and 325.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 08:17:07,326 INFO L168 Benchmark]: RCFGBuilder took 450.68 ms. Allocated memory is still 367.0 MB. Free memory was 325.8 MB in the beginning and 300.6 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-06 08:17:07,326 INFO L168 Benchmark]: TraceAbstraction took 3162.09 ms. Allocated memory was 367.0 MB in the beginning and 467.7 MB in the end (delta: 100.7 MB). Free memory was 300.6 MB in the beginning and 362.5 MB in the end (delta: -61.8 MB). Peak memory consumption was 213.9 MB. Max. memory is 16.0 GB. [2021-06-06 08:17:07,328 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 367.0 MB. Free memory was 347.8 MB in the beginning and 347.8 MB in the end (delta: 65.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 553.46 ms. Allocated memory is still 367.0 MB. Free memory was 329.4 MB in the beginning and 330.0 MB in the end (delta: -576.8 kB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 57.10 ms. Allocated memory is still 367.0 MB. Free memory was 330.0 MB in the beginning and 327.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 33.53 ms. Allocated memory is still 367.0 MB. Free memory was 327.9 MB in the beginning and 325.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 450.68 ms. Allocated memory is still 367.0 MB. Free memory was 325.8 MB in the beginning and 300.6 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3162.09 ms. Allocated memory was 367.0 MB in the beginning and 467.7 MB in the end (delta: 100.7 MB). Free memory was 300.6 MB in the beginning and 362.5 MB in the end (delta: -61.8 MB). Peak memory consumption was 213.9 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: 54483, positive: 53621, positive conditional: 53621, positive unconditional: 0, negative: 862, negative conditional: 862, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 54110, positive: 53621, positive conditional: 53621, positive unconditional: 0, negative: 489, negative conditional: 489, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 54110, positive: 53295, positive conditional: 0, positive unconditional: 53295, negative: 815, negative conditional: 0, negative unconditional: 815, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 633, positive: 624, positive conditional: 0, positive unconditional: 624, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 633, positive: 620, positive conditional: 0, positive unconditional: 620, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, positive: 35, positive conditional: 17, positive unconditional: 18, negative: 49, negative conditional: 2, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 54110, positive: 52671, positive conditional: 0, positive unconditional: 52671, negative: 806, negative conditional: 0, negative unconditional: 806, unknown: 633, unknown conditional: 0, unknown unconditional: 633] , Statistics on independence cache: Total cache size (in pairs): 644, Positive cache size: 634, Positive conditional cache size: 10, Positive unconditional cache size: 624, Negative cache size: 10, Negative conditional cache size: 1, Negative unconditional cache size: 9, SemanticConditionEliminator.Independence Queries: [ total: 1980, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 1654, negative conditional: 106, negative unconditional: 1548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1980, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 1654, negative conditional: 106, negative unconditional: 1548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, positive: 35, positive conditional: 17, positive unconditional: 18, negative: 49, negative conditional: 2, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1980, positive: 316, positive conditional: 316, positive unconditional: 0, negative: 1653, negative conditional: 105, negative unconditional: 1548, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 644, Positive cache size: 634, Positive conditional cache size: 10, Positive unconditional cache size: 624, Negative cache size: 10, Negative conditional cache size: 1, Negative unconditional cache size: 9, Eliminated conditions: 1548, SemanticConditionEliminator.Independence Queries: [ total: 1980, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 1654, negative conditional: 106, negative unconditional: 1548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1980, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 1654, negative conditional: 106, negative unconditional: 1548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, positive: 35, positive conditional: 17, positive unconditional: 18, negative: 49, negative conditional: 2, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1980, positive: 316, positive conditional: 316, positive unconditional: 0, negative: 1653, negative conditional: 105, negative unconditional: 1548, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 644, Positive cache size: 634, Positive conditional cache size: 10, Positive unconditional cache size: 624, Negative cache size: 10, Negative conditional cache size: 1, Negative unconditional cache size: 9, Eliminated conditions: 1548, SemanticConditionEliminator.Independence Queries: [ total: 1980, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 1654, negative conditional: 106, negative unconditional: 1548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1980, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 1654, negative conditional: 106, negative unconditional: 1548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, positive: 35, positive conditional: 17, positive unconditional: 18, negative: 49, negative conditional: 2, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1980, positive: 316, positive conditional: 316, positive unconditional: 0, negative: 1653, negative conditional: 105, negative unconditional: 1548, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 644, Positive cache size: 634, Positive conditional cache size: 10, Positive unconditional cache size: 624, Negative cache size: 10, Negative conditional cache size: 1, Negative unconditional cache size: 9, Eliminated conditions: 1548, SemanticConditionEliminator.Independence Queries: [ total: 1980, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 1654, negative conditional: 106, negative unconditional: 1548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1980, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 1654, negative conditional: 106, negative unconditional: 1548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, positive: 35, positive conditional: 17, positive unconditional: 18, negative: 49, negative conditional: 2, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1980, positive: 316, positive conditional: 316, positive unconditional: 0, negative: 1653, negative conditional: 105, negative unconditional: 1548, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 644, Positive cache size: 634, Positive conditional cache size: 10, Positive unconditional cache size: 624, Negative cache size: 10, Negative conditional cache size: 1, Negative unconditional cache size: 9, Eliminated conditions: 1548 ], Maximal queried relation: 4, Independence queries for same thread: 373 - 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: 3073.7ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.0ms, PartialOrderReductionTime: 2125.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 37, 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: 14.8ms SsaConstructionTime, 126.8ms SatisfiabilityAnalysisTime, 568.6ms InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 610 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...