/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-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 21:38:08,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 21:38:08,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 21:38:08,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 21:38:08,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 21:38:08,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 21:38:08,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 21:38:08,939 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-Sleep-SemanticLbe-Delay.epf [2021-03-12 21:38:08,954 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 21:38:08,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 21:38:08,955 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 21:38:08,955 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 21:38:08,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 21:38:08,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 21:38:08,956 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 21:38:08,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 21:38:08,956 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 21:38:08,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 21:38:08,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 21:38:08,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 21:38:08,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 21:38:08,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 21:38:08,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 21:38:08,956 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 21:38:08,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 21:38:08,957 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 21:38:08,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 21:38:08,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 21:38:08,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 21:38:08,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 21:38:08,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 21:38:08,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 21:38:08,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 21:38:08,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 21:38:08,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 21:38:08,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 21:38:08,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 21:38:08,958 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 21:38:08,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 21:38:08,958 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 21:38:08,958 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 21:38:09,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 21:38:09,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 21:38:09,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 21:38:09,231 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 21:38:09,233 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 21:38:09,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.opt.i [2021-03-12 21:38:09,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ab828757/4f091811ed7748b9b0b9f0591f5b71f5/FLAG744e50069 [2021-03-12 21:38:09,985 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 21:38:09,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_tso.opt.i [2021-03-12 21:38:10,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ab828757/4f091811ed7748b9b0b9f0591f5b71f5/FLAG744e50069 [2021-03-12 21:38:10,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ab828757/4f091811ed7748b9b0b9f0591f5b71f5 [2021-03-12 21:38:10,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 21:38:10,229 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 21:38:10,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 21:38:10,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 21:38:10,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 21:38:10,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 09:38:10" (1/1) ... [2021-03-12 21:38:10,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a017c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:10, skipping insertion in model container [2021-03-12 21:38:10,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 09:38:10" (1/1) ... [2021-03-12 21:38:10,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 21:38:10,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 21:38:10,396 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_tso.opt.i[949,962] [2021-03-12 21:38:10,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 21:38:10,560 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 21:38:10,568 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_tso.opt.i[949,962] [2021-03-12 21:38:10,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 21:38:10,653 INFO L208 MainTranslator]: Completed translation [2021-03-12 21:38:10,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:10 WrapperNode [2021-03-12 21:38:10,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 21:38:10,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 21:38:10,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 21:38:10,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 21:38:10,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:10" (1/1) ... [2021-03-12 21:38:10,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:10" (1/1) ... [2021-03-12 21:38:10,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 21:38:10,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 21:38:10,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 21:38:10,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 21:38:10,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:10" (1/1) ... [2021-03-12 21:38:10,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:10" (1/1) ... [2021-03-12 21:38:10,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:10" (1/1) ... [2021-03-12 21:38:10,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:10" (1/1) ... [2021-03-12 21:38:10,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:10" (1/1) ... [2021-03-12 21:38:10,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:10" (1/1) ... [2021-03-12 21:38:10,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:10" (1/1) ... [2021-03-12 21:38:10,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 21:38:10,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 21:38:10,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 21:38:10,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 21:38:10,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:10" (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 [2021-03-12 21:38:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 21:38:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 21:38:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 21:38:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 21:38:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-12 21:38:10,767 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-12 21:38:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-12 21:38:10,767 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-12 21:38:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-12 21:38:10,767 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-12 21:38:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 21:38:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 21:38:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 21:38:10,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 21:38:10,768 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 21:38:11,026 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 21:38:11,027 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-12 21:38:11,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:38:11 BoogieIcfgContainer [2021-03-12 21:38:11,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 21:38:11,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 21:38:11,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 21:38:11,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 21:38:11,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 09:38:10" (1/3) ... [2021-03-12 21:38:11,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a9c063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:38:11, skipping insertion in model container [2021-03-12 21:38:11,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:10" (2/3) ... [2021-03-12 21:38:11,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a9c063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:38:11, skipping insertion in model container [2021-03-12 21:38:11,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:38:11" (3/3) ... [2021-03-12 21:38:11,032 INFO L111 eAbstractionObserver]: Analyzing ICFG safe004_tso.opt.i [2021-03-12 21:38:11,036 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 21:38:11,036 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 21:38:11,039 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 21:38:11,039 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 21:38:11,058 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,058 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,058 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,058 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,058 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,059 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,059 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,060 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,060 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,060 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,060 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,061 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,061 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,061 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,061 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,062 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,062 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,062 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,062 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,062 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,062 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,062 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,062 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,064 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,064 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,064 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,064 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,067 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,067 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,069 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,069 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:11,071 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 21:38:11,081 INFO L253 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 [2021-03-12 21:38:11,108 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 21:38:11,108 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 21:38:11,108 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 21:38:11,108 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 21:38:11,108 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 21:38:11,108 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 21:38:11,109 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 21:38:11,109 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 21:38:11,120 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-12 21:38:11,120 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 74 transitions, 163 flow [2021-03-12 21:38:11,122 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 74 transitions, 163 flow [2021-03-12 21:38:11,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 74 transitions, 163 flow [2021-03-12 21:38:11,145 INFO L129 PetriNetUnfolder]: 2/71 cut-off events. [2021-03-12 21:38:11,145 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-12 21:38:11,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 71 events. 2/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 57 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-03-12 21:38:11,153 INFO L116 LiptonReduction]: Number of co-enabled transitions 1296 [2021-03-12 21:38:13,320 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-12 21:38:13,427 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-12 21:38:13,590 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-12 21:38:13,767 INFO L131 LiptonReduction]: Checked pairs total: 2542 [2021-03-12 21:38:13,767 INFO L133 LiptonReduction]: Total number of compositions: 64 [2021-03-12 21:38:13,836 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:38:13,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:38:13,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1326433225, now seen corresponding path program 1 times [2021-03-12 21:38:13,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:38:13,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200701100] [2021-03-12 21:38:13,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:38:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:38:14,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:38:14,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200701100] [2021-03-12 21:38:14,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:38:14,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 21:38:14,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096624483] [2021-03-12 21:38:14,009 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 21:38:14,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:38:14,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 21:38:14,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 21:38:14,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:14,018 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:38:14,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-03-12 21:38:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:14,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:38:14,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 21:38:14,180 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:38:14,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:38:14,181 INFO L82 PathProgramCache]: Analyzing trace with hash 2115084354, now seen corresponding path program 1 times [2021-03-12 21:38:14,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:38:14,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575064317] [2021-03-12 21:38:14,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:38:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:38:14,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:38:14,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575064317] [2021-03-12 21:38:14,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:38:14,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 21:38:14,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082587543] [2021-03-12 21:38:14,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 21:38:14,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:38:14,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 21:38:14,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 21:38:14,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:14,258 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:38:14,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2021-03-12 21:38:14,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:38:14,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:14,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:38:14,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:38:14,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 21:38:14,341 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:38:14,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:38:14,342 INFO L82 PathProgramCache]: Analyzing trace with hash -2098177897, now seen corresponding path program 1 times [2021-03-12 21:38:14,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:38:14,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608982482] [2021-03-12 21:38:14,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:38:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:38:14,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:38:14,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608982482] [2021-03-12 21:38:14,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:38:14,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-12 21:38:14,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444055971] [2021-03-12 21:38:14,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 21:38:14,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:38:14,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 21:38:14,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 21:38:14,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:14,389 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:38:14,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-03-12 21:38:14,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:38:14,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:38:14,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:14,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:38:14,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:38:14,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:38:14,556 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 21:38:14,556 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:38:14,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:38:14,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1827508577, now seen corresponding path program 1 times [2021-03-12 21:38:14,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:38:14,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528805008] [2021-03-12 21:38:14,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:38:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:38:14,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:38:14,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528805008] [2021-03-12 21:38:14,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:38:14,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 21:38:14,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447935865] [2021-03-12 21:38:14,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 21:38:14,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:38:14,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 21:38:14,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-12 21:38:14,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:14,627 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:38:14,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2021-03-12 21:38:14,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:38:14,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:38:14,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:38:14,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:14,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:38:14,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:38:14,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:38:14,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:38:14,955 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 21:38:14,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 09:38:14 BasicIcfg [2021-03-12 21:38:14,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 21:38:14,970 INFO L168 Benchmark]: Toolchain (without parser) took 4740.07 ms. Allocated memory was 358.6 MB in the beginning and 432.0 MB in the end (delta: 73.4 MB). Free memory was 322.2 MB in the beginning and 385.0 MB in the end (delta: -62.7 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:38:14,971 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 358.6 MB. Free memory is still 340.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 21:38:14,971 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.55 ms. Allocated memory is still 358.6 MB. Free memory was 321.6 MB in the beginning and 323.3 MB in the end (delta: -1.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. [2021-03-12 21:38:14,971 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.10 ms. Allocated memory is still 358.6 MB. Free memory was 322.3 MB in the beginning and 321.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:38:14,972 INFO L168 Benchmark]: Boogie Preprocessor took 13.75 ms. Allocated memory is still 358.6 MB. Free memory was 321.2 MB in the beginning and 319.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:38:14,972 INFO L168 Benchmark]: RCFGBuilder took 314.11 ms. Allocated memory is still 358.6 MB. Free memory was 319.1 MB in the beginning and 296.1 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:38:14,973 INFO L168 Benchmark]: TraceAbstraction took 3937.04 ms. Allocated memory was 358.6 MB in the beginning and 432.0 MB in the end (delta: 73.4 MB). Free memory was 295.0 MB in the beginning and 385.0 MB in the end (delta: -89.9 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 21:38:14,977 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 358.6 MB. Free memory is still 340.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 421.55 ms. Allocated memory is still 358.6 MB. Free memory was 321.6 MB in the beginning and 323.3 MB in the end (delta: -1.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 44.10 ms. Allocated memory is still 358.6 MB. Free memory was 322.3 MB in the beginning and 321.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.75 ms. Allocated memory is still 358.6 MB. Free memory was 321.2 MB in the beginning and 319.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 314.11 ms. Allocated memory is still 358.6 MB. Free memory was 319.1 MB in the beginning and 296.1 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3937.04 ms. Allocated memory was 358.6 MB in the beginning and 432.0 MB in the end (delta: 73.4 MB). Free memory was 295.0 MB in the beginning and 385.0 MB in the end (delta: -89.9 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2645.4ms, 82 PlacesBefore, 31 PlacesAfterwards, 74 TransitionsBefore, 21 TransitionsAfterwards, 1296 CoEnabledTransitionPairs, 5 FixpointIterations, 17 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 64 TotalNumberOfCompositions, 2542 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1292, positive: 1203, positive conditional: 0, positive unconditional: 1203, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 835, positive: 804, positive conditional: 0, positive unconditional: 804, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 835, positive: 798, positive conditional: 0, positive unconditional: 798, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 118, negative conditional: 0, negative unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1292, positive: 399, positive conditional: 0, positive unconditional: 399, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 835, unknown conditional: 0, unknown unconditional: 835] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2213, positive: 1826, positive conditional: 1826, positive unconditional: 0, negative: 387, negative conditional: 387, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1994, positive: 1826, positive conditional: 1826, positive unconditional: 0, negative: 168, negative conditional: 168, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1994, positive: 1494, positive conditional: 0, positive unconditional: 1494, negative: 500, negative conditional: 0, negative unconditional: 500, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 90, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 90, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, positive: 48, positive conditional: 36, positive unconditional: 12, negative: 39, negative conditional: 21, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 483, positive: 312, positive conditional: 218, positive unconditional: 94, negative: 171, negative conditional: 99, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1994, positive: 1422, positive conditional: 0, positive unconditional: 1422, negative: 482, negative conditional: 0, negative unconditional: 482, unknown: 90, unknown conditional: 0, unknown unconditional: 90] , Statistics on independence cache: Total cache size (in pairs): 147, Positive cache size: 108, Positive conditional cache size: 36, Positive unconditional cache size: 72, Negative cache size: 39, Negative conditional cache size: 21, Negative unconditional cache size: 18, SemanticConditionEliminator.Independence Queries: [ total: 1356, positive: 332, positive conditional: 332, positive unconditional: 0, negative: 1024, negative conditional: 149, negative unconditional: 875, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1356, positive: 332, positive conditional: 332, positive unconditional: 0, negative: 1024, negative conditional: 149, negative unconditional: 875, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, positive: 48, positive conditional: 36, positive unconditional: 12, negative: 39, negative conditional: 21, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 483, positive: 312, positive conditional: 218, positive unconditional: 94, negative: 171, negative conditional: 99, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1356, positive: 296, positive conditional: 296, positive unconditional: 0, negative: 1003, negative conditional: 128, negative unconditional: 875, unknown: 57, unknown conditional: 57, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 147, Positive cache size: 108, Positive conditional cache size: 36, Positive unconditional cache size: 72, Negative cache size: 39, Negative conditional cache size: 21, Negative unconditional cache size: 18, Eliminated conditions: 875, SemanticConditionEliminator.Independence Queries: [ total: 1356, positive: 332, positive conditional: 332, positive unconditional: 0, negative: 1024, negative conditional: 149, negative unconditional: 875, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1356, positive: 332, positive conditional: 332, positive unconditional: 0, negative: 1024, negative conditional: 149, negative unconditional: 875, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, positive: 48, positive conditional: 36, positive unconditional: 12, negative: 39, negative conditional: 21, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 483, positive: 312, positive conditional: 218, positive unconditional: 94, negative: 171, negative conditional: 99, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1356, positive: 296, positive conditional: 296, positive unconditional: 0, negative: 1003, negative conditional: 128, negative unconditional: 875, unknown: 57, unknown conditional: 57, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 147, Positive cache size: 108, Positive conditional cache size: 36, Positive unconditional cache size: 72, Negative cache size: 39, Negative conditional cache size: 21, Negative unconditional cache size: 18, Eliminated conditions: 875, SemanticConditionEliminator.Independence Queries: [ total: 1356, positive: 332, positive conditional: 332, positive unconditional: 0, negative: 1024, negative conditional: 149, negative unconditional: 875, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1356, positive: 332, positive conditional: 332, positive unconditional: 0, negative: 1024, negative conditional: 149, negative unconditional: 875, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, positive: 48, positive conditional: 36, positive unconditional: 12, negative: 39, negative conditional: 21, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 483, positive: 312, positive conditional: 218, positive unconditional: 94, negative: 171, negative conditional: 99, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1356, positive: 296, positive conditional: 296, positive unconditional: 0, negative: 1003, negative conditional: 128, negative unconditional: 875, unknown: 57, unknown conditional: 57, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 147, Positive cache size: 108, Positive conditional cache size: 36, Positive unconditional cache size: 72, Negative cache size: 39, Negative conditional cache size: 21, Negative unconditional cache size: 18, Eliminated conditions: 875, SemanticConditionEliminator.Independence Queries: [ total: 1356, positive: 332, positive conditional: 332, positive unconditional: 0, negative: 1024, negative conditional: 149, negative unconditional: 875, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1356, positive: 332, positive conditional: 332, positive unconditional: 0, negative: 1024, negative conditional: 149, negative unconditional: 875, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, positive: 48, positive conditional: 36, positive unconditional: 12, negative: 39, negative conditional: 21, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 483, positive: 312, positive conditional: 218, positive unconditional: 94, negative: 171, negative conditional: 99, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1356, positive: 296, positive conditional: 296, positive unconditional: 0, negative: 1003, negative conditional: 128, negative unconditional: 875, unknown: 57, unknown conditional: 57, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 147, Positive cache size: 108, Positive conditional cache size: 36, Positive unconditional cache size: 72, Negative cache size: 39, Negative conditional cache size: 21, Negative unconditional cache size: 18, Eliminated conditions: 875 ], Maximal queried relation: 4, Independence queries for same thread: 219 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3872.2ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2665.8ms, PartialOrderReductionTime: 798.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 20, 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: 8.2ms SsaConstructionTime, 64.9ms SatisfiabilityAnalysisTime, 211.9ms InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...