/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/safe021_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-01 22:52:55,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-01 22:52:55,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-01 22:52:55,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-01 22:52:55,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-01 22:52:55,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-01 22:52:55,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-01 22:52:55,431 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 [2021-06-01 22:52:55,452 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-01 22:52:55,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-01 22:52:55,453 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-01 22:52:55,453 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-01 22:52:55,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-01 22:52:55,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-01 22:52:55,454 INFO L138 SettingsManager]: * Use SBE=true [2021-06-01 22:52:55,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-01 22:52:55,454 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-01 22:52:55,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-01 22:52:55,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-01 22:52:55,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-01 22:52:55,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-01 22:52:55,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-01 22:52:55,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-01 22:52:55,455 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-01 22:52:55,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-01 22:52:55,455 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-01 22:52:55,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-01 22:52:55,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-01 22:52:55,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-01 22:52:55,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-01 22:52:55,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-01 22:52:55,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 22:52:55,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-01 22:52:55,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-01 22:52:55,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-01 22:52:55,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-01 22:52:55,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-01 22:52:55,457 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-01 22:52:55,457 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-01 22:52:55,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-01 22:52:55,457 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-01 22:52:55,457 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-01 22:52:55,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-01 22:52:55,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-01 22:52:55,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-01 22:52:55,689 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-01 22:52:55,690 INFO L275 PluginConnector]: CDTParser initialized [2021-06-01 22:52:55,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.oepc.i [2021-06-01 22:52:55,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f68c0a9/d47a6c0404d14f0fa32d0460cf0e93e9/FLAG0451dcb26 [2021-06-01 22:52:56,230 INFO L306 CDTParser]: Found 1 translation units. [2021-06-01 22:52:56,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.oepc.i [2021-06-01 22:52:56,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f68c0a9/d47a6c0404d14f0fa32d0460cf0e93e9/FLAG0451dcb26 [2021-06-01 22:52:56,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f68c0a9/d47a6c0404d14f0fa32d0460cf0e93e9 [2021-06-01 22:52:56,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-01 22:52:56,723 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-01 22:52:56,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-01 22:52:56,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-01 22:52:56,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-01 22:52:56,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 10:52:56" (1/1) ... [2021-06-01 22:52:56,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd2c92f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:56, skipping insertion in model container [2021-06-01 22:52:56,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 10:52:56" (1/1) ... [2021-06-01 22:52:56,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-01 22:52:56,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-01 22:52:56,861 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/safe021_tso.oepc.i[950,963] [2021-06-01 22:52:56,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 22:52:56,982 INFO L203 MainTranslator]: Completed pre-run [2021-06-01 22:52:56,993 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/safe021_tso.oepc.i[950,963] [2021-06-01 22:52:57,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 22:52:57,052 INFO L208 MainTranslator]: Completed translation [2021-06-01 22:52:57,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:57 WrapperNode [2021-06-01 22:52:57,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-01 22:52:57,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-01 22:52:57,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-01 22:52:57,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-01 22:52:57,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:57" (1/1) ... [2021-06-01 22:52:57,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:57" (1/1) ... [2021-06-01 22:52:57,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-01 22:52:57,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-01 22:52:57,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-01 22:52:57,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-01 22:52:57,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:57" (1/1) ... [2021-06-01 22:52:57,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:57" (1/1) ... [2021-06-01 22:52:57,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:57" (1/1) ... [2021-06-01 22:52:57,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:57" (1/1) ... [2021-06-01 22:52:57,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:57" (1/1) ... [2021-06-01 22:52:57,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:57" (1/1) ... [2021-06-01 22:52:57,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:57" (1/1) ... [2021-06-01 22:52:57,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-01 22:52:57,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-01 22:52:57,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-01 22:52:57,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-01 22:52:57,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:57" (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 [2021-06-01 22:52:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-01 22:52:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-01 22:52:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-01 22:52:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-01 22:52:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-01 22:52:57,160 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-01 22:52:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-01 22:52:57,160 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-01 22:52:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-01 22:52:57,161 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-01 22:52:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-01 22:52:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-01 22:52:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-01 22:52:57,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-01 22:52:57,165 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-01 22:52:57,448 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-01 22:52:57,448 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-01 22:52:57,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 10:52:57 BoogieIcfgContainer [2021-06-01 22:52:57,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-01 22:52:57,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-01 22:52:57,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-01 22:52:57,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-01 22:52:57,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.06 10:52:56" (1/3) ... [2021-06-01 22:52:57,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21247de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 10:52:57, skipping insertion in model container [2021-06-01 22:52:57,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:57" (2/3) ... [2021-06-01 22:52:57,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21247de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 10:52:57, skipping insertion in model container [2021-06-01 22:52:57,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 10:52:57" (3/3) ... [2021-06-01 22:52:57,454 INFO L111 eAbstractionObserver]: Analyzing ICFG safe021_tso.oepc.i [2021-06-01 22:52:57,460 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-01 22:52:57,460 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-01 22:52:57,460 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-01 22:52:57,461 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-01 22:52:57,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,486 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,486 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,487 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,487 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,488 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,488 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,490 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,491 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,495 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,495 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,496 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,496 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,499 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,499 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,503 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,503 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,503 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,504 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,505 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,505 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,505 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,506 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:57,508 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-01 22:52:57,523 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 [2021-06-01 22:52:57,578 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 22:52:57,579 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 22:52:57,579 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 22:52:57,579 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 22:52:57,579 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 22:52:57,579 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 22:52:57,580 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 22:52:57,580 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-01 22:52:57,627 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:52:57,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:52:57,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1783320579, now seen corresponding path program 1 times [2021-06-01 22:52:57,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:52:57,637 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62960152] [2021-06-01 22:52:57,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:52:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:52:57,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:52:57,959 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:52:57,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62960152] [2021-06-01 22:52:57,960 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62960152] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:52:57,960 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:52:57,960 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-01 22:52:57,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493878986] [2021-06-01 22:52:57,964 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-01 22:52:57,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:52:57,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-01 22:52:57,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-01 22:52:57,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:52:57,975 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:52:57,977 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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) [2021-06-01 22:52:57,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:52:58,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:52:58,162 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-01 22:52:58,162 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:52:58,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:52:58,164 INFO L82 PathProgramCache]: Analyzing trace with hash 272399172, now seen corresponding path program 1 times [2021-06-01 22:52:58,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:52:58,164 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971990060] [2021-06-01 22:52:58,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:52:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:52:58,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:52:58,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:52:58,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971990060] [2021-06-01 22:52:58,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971990060] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:52:58,287 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:52:58,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-01 22:52:58,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716602936] [2021-06-01 22:52:58,288 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-01 22:52:58,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:52:58,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-01 22:52:58,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-01 22:52:58,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:52:58,289 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:52:58,289 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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) [2021-06-01 22:52:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:52:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:52:58,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:52:58,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 22:52:58,407 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-01 22:52:58,407 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:52:58,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:52:58,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1928692927, now seen corresponding path program 1 times [2021-06-01 22:52:58,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:52:58,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797799023] [2021-06-01 22:52:58,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:52:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:52:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:52:58,551 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:52:58,551 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797799023] [2021-06-01 22:52:58,552 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797799023] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:52:58,552 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:52:58,552 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-01 22:52:58,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249961530] [2021-06-01 22:52:58,553 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-01 22:52:58,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:52:58,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-01 22:52:58,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-01 22:52:58,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:52:58,554 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:52:58,554 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 22:52:58,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:52:58,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 22:52:58,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:52:59,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:52:59,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-01 22:52:59,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-01 22:52:59,149 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-01 22:52:59,149 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:52:59,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:52:59,150 INFO L82 PathProgramCache]: Analyzing trace with hash -528649763, now seen corresponding path program 2 times [2021-06-01 22:52:59,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:52:59,151 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128861712] [2021-06-01 22:52:59,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:52:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:52:59,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:52:59,285 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:52:59,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128861712] [2021-06-01 22:52:59,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128861712] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:52:59,285 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:52:59,285 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-01 22:52:59,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446330927] [2021-06-01 22:52:59,288 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-01 22:52:59,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:52:59,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-01 22:52:59,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-01 22:52:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:52:59,289 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:52:59,289 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 22:52:59,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:52:59,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-01 22:52:59,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-01 22:52:59,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:52:59,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:52:59,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-01 22:52:59,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-01 22:52:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-01 22:52:59,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-01 22:52:59,765 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-01 22:52:59,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.06 10:52:59 BasicIcfg [2021-06-01 22:52:59,767 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-01 22:52:59,768 INFO L168 Benchmark]: Toolchain (without parser) took 3044.08 ms. Allocated memory was 381.7 MB in the beginning and 459.3 MB in the end (delta: 77.6 MB). Free memory was 344.6 MB in the beginning and 203.2 MB in the end (delta: 141.4 MB). Peak memory consumption was 220.8 MB. Max. memory is 16.0 GB. [2021-06-01 22:52:59,768 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 381.7 MB. Free memory was 362.9 MB in the beginning and 362.8 MB in the end (delta: 76.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 22:52:59,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.58 ms. Allocated memory is still 381.7 MB. Free memory was 344.5 MB in the beginning and 344.4 MB in the end (delta: 32.2 kB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB. [2021-06-01 22:52:59,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.51 ms. Allocated memory is still 381.7 MB. Free memory was 344.4 MB in the beginning and 342.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-01 22:52:59,770 INFO L168 Benchmark]: Boogie Preprocessor took 13.67 ms. Allocated memory is still 381.7 MB. Free memory was 342.3 MB in the beginning and 341.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 22:52:59,770 INFO L168 Benchmark]: RCFGBuilder took 348.00 ms. Allocated memory is still 381.7 MB. Free memory was 341.3 MB in the beginning and 316.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-01 22:52:59,771 INFO L168 Benchmark]: TraceAbstraction took 2316.77 ms. Allocated memory was 381.7 MB in the beginning and 459.3 MB in the end (delta: 77.6 MB). Free memory was 315.1 MB in the beginning and 203.2 MB in the end (delta: 111.8 MB). Peak memory consumption was 190.5 MB. Max. memory is 16.0 GB. [2021-06-01 22:52:59,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 381.7 MB. Free memory was 362.9 MB in the beginning and 362.8 MB in the end (delta: 76.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 326.58 ms. Allocated memory is still 381.7 MB. Free memory was 344.5 MB in the beginning and 344.4 MB in the end (delta: 32.2 kB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.51 ms. Allocated memory is still 381.7 MB. Free memory was 344.4 MB in the beginning and 342.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.67 ms. Allocated memory is still 381.7 MB. Free memory was 342.3 MB in the beginning and 341.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 348.00 ms. Allocated memory is still 381.7 MB. Free memory was 341.3 MB in the beginning and 316.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2316.77 ms. Allocated memory was 381.7 MB in the beginning and 459.3 MB in the end (delta: 77.6 MB). Free memory was 315.1 MB in the beginning and 203.2 MB in the end (delta: 111.8 MB). Peak memory consumption was 190.5 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: 38468, positive: 37803, positive conditional: 37803, positive unconditional: 0, negative: 665, negative conditional: 665, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 38202, positive: 37803, positive conditional: 37803, positive unconditional: 0, negative: 399, negative conditional: 399, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 38202, positive: 37561, positive conditional: 0, positive unconditional: 37561, negative: 641, negative conditional: 0, negative unconditional: 641, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 686, positive: 675, positive conditional: 0, positive unconditional: 675, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 686, positive: 671, positive conditional: 0, positive unconditional: 671, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 18, positive conditional: 11, positive unconditional: 7, negative: 49, negative conditional: 7, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 38202, positive: 36886, positive conditional: 0, positive unconditional: 36886, negative: 630, negative conditional: 0, negative unconditional: 630, unknown: 686, unknown conditional: 0, unknown unconditional: 686] , Statistics on independence cache: Total cache size (in pairs): 699, Positive cache size: 685, Positive conditional cache size: 10, Positive unconditional cache size: 675, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, SemanticConditionEliminator.Independence Queries: [ total: 1912, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1670, negative conditional: 156, negative unconditional: 1514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1912, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1670, negative conditional: 156, negative unconditional: 1514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 18, positive conditional: 11, positive unconditional: 7, negative: 49, negative conditional: 7, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1912, positive: 232, positive conditional: 232, positive unconditional: 0, negative: 1667, negative conditional: 153, negative unconditional: 1514, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 699, Positive cache size: 685, Positive conditional cache size: 10, Positive unconditional cache size: 675, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 1514, SemanticConditionEliminator.Independence Queries: [ total: 1912, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1670, negative conditional: 156, negative unconditional: 1514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1912, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1670, negative conditional: 156, negative unconditional: 1514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 18, positive conditional: 11, positive unconditional: 7, negative: 49, negative conditional: 7, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1912, positive: 232, positive conditional: 232, positive unconditional: 0, negative: 1667, negative conditional: 153, negative unconditional: 1514, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 699, Positive cache size: 685, Positive conditional cache size: 10, Positive unconditional cache size: 675, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 1514, SemanticConditionEliminator.Independence Queries: [ total: 1912, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1670, negative conditional: 156, negative unconditional: 1514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1912, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1670, negative conditional: 156, negative unconditional: 1514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 18, positive conditional: 11, positive unconditional: 7, negative: 49, negative conditional: 7, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1912, positive: 232, positive conditional: 232, positive unconditional: 0, negative: 1667, negative conditional: 153, negative unconditional: 1514, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 699, Positive cache size: 685, Positive conditional cache size: 10, Positive unconditional cache size: 675, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 1514, SemanticConditionEliminator.Independence Queries: [ total: 1912, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1670, negative conditional: 156, negative unconditional: 1514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1912, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1670, negative conditional: 156, negative unconditional: 1514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 18, positive conditional: 11, positive unconditional: 7, negative: 49, negative conditional: 7, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1912, positive: 232, positive conditional: 232, positive unconditional: 0, negative: 1667, negative conditional: 153, negative unconditional: 1514, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 699, Positive cache size: 685, Positive conditional cache size: 10, Positive unconditional cache size: 675, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 1514 ], Maximal queried relation: 4, Independence queries for same thread: 266 - 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, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2220.4ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.3ms, PartialOrderReductionTime: 1398.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 48, 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: 17.1ms SsaConstructionTime, 144.0ms SatisfiabilityAnalysisTime, 472.2ms InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 1018 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...