./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix025_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 997cd7c3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix025_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 363c41aa48054ae2db8af03a71808d8e2ad5bd0c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-997cd7c-m [2021-09-22 14:41:08,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-22 14:41:08,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-22 14:41:08,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-22 14:41:08,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-22 14:41:08,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-22 14:41:08,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-22 14:41:08,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-22 14:41:08,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-22 14:41:08,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-22 14:41:08,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-22 14:41:08,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-22 14:41:08,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-22 14:41:08,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-22 14:41:08,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-22 14:41:08,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-22 14:41:08,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-22 14:41:08,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-22 14:41:08,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-22 14:41:08,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-22 14:41:08,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-22 14:41:08,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-22 14:41:08,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-22 14:41:08,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-22 14:41:08,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-22 14:41:08,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-22 14:41:08,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-22 14:41:08,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-22 14:41:08,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-22 14:41:08,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-22 14:41:08,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-22 14:41:08,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-22 14:41:08,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-22 14:41:08,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-22 14:41:08,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-22 14:41:08,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-22 14:41:08,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-22 14:41:08,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-22 14:41:08,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-22 14:41:08,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-22 14:41:08,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-22 14:41:08,718 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-09-22 14:41:08,760 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-22 14:41:08,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-22 14:41:08,761 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-22 14:41:08,762 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-22 14:41:08,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-22 14:41:08,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-22 14:41:08,764 INFO L138 SettingsManager]: * Use SBE=true [2021-09-22 14:41:08,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-22 14:41:08,764 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-22 14:41:08,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-09-22 14:41:08,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-22 14:41:08,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-22 14:41:08,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-22 14:41:08,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-22 14:41:08,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-22 14:41:08,766 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-22 14:41:08,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-22 14:41:08,767 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-22 14:41:08,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-22 14:41:08,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-22 14:41:08,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-22 14:41:08,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-22 14:41:08,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:41:08,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-22 14:41:08,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-22 14:41:08,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-22 14:41:08,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-09-22 14:41:08,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-09-22 14:41:08,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-22 14:41:08,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-22 14:41:08,769 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 363c41aa48054ae2db8af03a71808d8e2ad5bd0c [2021-09-22 14:41:09,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-22 14:41:09,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-22 14:41:09,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-22 14:41:09,098 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-22 14:41:09,098 INFO L275 PluginConnector]: CDTParser initialized [2021-09-22 14:41:09,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix025_tso.opt.i [2021-09-22 14:41:09,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/543faee82/d39f7c0363f04a9bbfb78a6956fd29a0/FLAG88d8bd84f [2021-09-22 14:41:09,663 INFO L306 CDTParser]: Found 1 translation units. [2021-09-22 14:41:09,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix025_tso.opt.i [2021-09-22 14:41:09,676 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/543faee82/d39f7c0363f04a9bbfb78a6956fd29a0/FLAG88d8bd84f [2021-09-22 14:41:09,996 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/543faee82/d39f7c0363f04a9bbfb78a6956fd29a0 [2021-09-22 14:41:09,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-22 14:41:09,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-22 14:41:10,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-22 14:41:10,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-22 14:41:10,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-22 14:41:10,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:41:09" (1/1) ... [2021-09-22 14:41:10,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60da7a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:41:10, skipping insertion in model container [2021-09-22 14:41:10,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:41:09" (1/1) ... [2021-09-22 14:41:10,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-22 14:41:10,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-22 14:41:10,210 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix025_tso.opt.i[948,961] [2021-09-22 14:41:10,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-22 14:41:10,424 INFO L203 MainTranslator]: Completed pre-run [2021-09-22 14:41:10,436 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix025_tso.opt.i[948,961] [2021-09-22 14:41:10,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-22 14:41:10,541 INFO L208 MainTranslator]: Completed translation [2021-09-22 14:41:10,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:41:10 WrapperNode [2021-09-22 14:41:10,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-22 14:41:10,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-09-22 14:41:10,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-09-22 14:41:10,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-09-22 14:41:10,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:41:10" (1/1) ... [2021-09-22 14:41:10,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:41:10" (1/1) ... [2021-09-22 14:41:10,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-09-22 14:41:10,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-09-22 14:41:10,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-09-22 14:41:10,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-09-22 14:41:10,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:41:10" (1/1) ... [2021-09-22 14:41:10,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:41:10" (1/1) ... [2021-09-22 14:41:10,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:41:10" (1/1) ... [2021-09-22 14:41:10,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:41:10" (1/1) ... [2021-09-22 14:41:10,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:41:10" (1/1) ... [2021-09-22 14:41:10,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:41:10" (1/1) ... [2021-09-22 14:41:10,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:41:10" (1/1) ... [2021-09-22 14:41:10,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-09-22 14:41:10,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-09-22 14:41:10,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-09-22 14:41:10,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-09-22 14:41:10,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:41:10" (1/1) ... [2021-09-22 14:41:10,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:41:10,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-09-22 14:41:10,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-09-22 14:41:10,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-09-22 14:41:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-09-22 14:41:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-09-22 14:41:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-09-22 14:41:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-09-22 14:41:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-09-22 14:41:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-09-22 14:41:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-09-22 14:41:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-09-22 14:41:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-09-22 14:41:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-09-22 14:41:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-09-22 14:41:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-09-22 14:41:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-09-22 14:41:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-09-22 14:41:10,743 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-09-22 14:41:12,312 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-09-22 14:41:12,312 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-09-22 14:41:12,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 02:41:12 BoogieIcfgContainer [2021-09-22 14:41:12,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-09-22 14:41:12,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-09-22 14:41:12,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-09-22 14:41:12,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-09-22 14:41:12,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 02:41:09" (1/3) ... [2021-09-22 14:41:12,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3306cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 02:41:12, skipping insertion in model container [2021-09-22 14:41:12,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:41:10" (2/3) ... [2021-09-22 14:41:12,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3306cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 02:41:12, skipping insertion in model container [2021-09-22 14:41:12,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 02:41:12" (3/3) ... [2021-09-22 14:41:12,322 INFO L111 eAbstractionObserver]: Analyzing ICFG mix025_tso.opt.i [2021-09-22 14:41:12,326 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-09-22 14:41:12,326 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-09-22 14:41:12,327 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-09-22 14:41:12,327 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-09-22 14:41:12,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,358 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,358 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,359 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,359 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,359 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,360 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,360 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,360 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,362 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,362 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,362 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,362 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,362 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,363 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,363 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,363 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,363 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,363 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,364 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,364 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,364 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,364 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,365 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,365 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,365 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,365 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,365 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,365 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,366 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,366 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,366 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,366 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,366 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,366 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,367 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,367 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,367 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,367 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,367 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,370 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,370 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,371 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,371 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,374 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,374 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,374 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,374 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,374 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,374 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,375 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,375 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,375 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,375 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,375 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,375 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,375 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,391 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,391 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,396 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,398 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,400 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,400 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,400 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,401 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,402 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,403 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,403 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:41:12,404 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-09-22 14:41:12,459 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-09-22 14:41:12,464 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-09-22 14:41:12,465 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-09-22 14:41:12,478 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-09-22 14:41:12,486 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 117 places, 109 transitions, 233 flow [2021-09-22 14:41:12,489 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 117 places, 109 transitions, 233 flow [2021-09-22 14:41:12,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 117 places, 109 transitions, 233 flow [2021-09-22 14:41:12,526 INFO L129 PetriNetUnfolder]: 2/106 cut-off events. [2021-09-22 14:41:12,526 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-09-22 14:41:12,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 106 events. 2/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 56 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2021-09-22 14:41:12,533 INFO L116 LiptonReduction]: Number of co-enabled transitions 1962 [2021-09-22 14:41:17,422 INFO L131 LiptonReduction]: Checked pairs total: 5488 [2021-09-22 14:41:17,422 INFO L133 LiptonReduction]: Total number of compositions: 94 [2021-09-22 14:41:17,430 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 27 transitions, 69 flow [2021-09-22 14:41:17,474 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 854 states, 851 states have (on average 3.1562867215041126) internal successors, (2686), 853 states have internal predecessors, (2686), 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) [2021-09-22 14:41:17,478 INFO L276 IsEmpty]: Start isEmpty. Operand has 854 states, 851 states have (on average 3.1562867215041126) internal successors, (2686), 853 states have internal predecessors, (2686), 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) [2021-09-22 14:41:17,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-09-22 14:41:17,482 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:41:17,483 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-09-22 14:41:17,483 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-09-22 14:41:17,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:41:17,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1096287, now seen corresponding path program 1 times [2021-09-22 14:41:17,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:41:17,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850657119] [2021-09-22 14:41:17,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:41:17,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:41:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:41:17,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:41:17,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:41:17,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850657119] [2021-09-22 14:41:17,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850657119] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:41:17,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:41:17,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-09-22 14:41:17,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450321582] [2021-09-22 14:41:17,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-09-22 14:41:17,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:41:17,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-09-22 14:41:17,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-22 14:41:17,736 INFO L87 Difference]: Start difference. First operand has 854 states, 851 states have (on average 3.1562867215041126) internal successors, (2686), 853 states have internal predecessors, (2686), 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-09-22 14:41:17,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:41:17,803 INFO L93 Difference]: Finished difference Result 692 states and 2139 transitions. [2021-09-22 14:41:17,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-09-22 14:41:17,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) Word has length 3 [2021-09-22 14:41:17,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:41:17,828 INFO L225 Difference]: With dead ends: 692 [2021-09-22 14:41:17,828 INFO L226 Difference]: Without dead ends: 662 [2021-09-22 14:41:17,829 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-22 14:41:17,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-09-22 14:41:17,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-09-22 14:41:17,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 3.1164901664145233) internal successors, (2060), 661 states have internal predecessors, (2060), 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) [2021-09-22 14:41:17,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 2060 transitions. [2021-09-22 14:41:17,948 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 2060 transitions. Word has length 3 [2021-09-22 14:41:17,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:41:17,949 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 2060 transitions. [2021-09-22 14:41:17,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-09-22 14:41:17,949 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 2060 transitions. [2021-09-22 14:41:17,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-09-22 14:41:17,951 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:41:17,951 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:41:17,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-09-22 14:41:17,952 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-09-22 14:41:17,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:41:17,954 INFO L82 PathProgramCache]: Analyzing trace with hash -69467390, now seen corresponding path program 1 times [2021-09-22 14:41:17,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:41:17,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599911053] [2021-09-22 14:41:17,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:41:17,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:41:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:41:18,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:41:18,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:41:18,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599911053] [2021-09-22 14:41:18,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599911053] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:41:18,107 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:41:18,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-09-22 14:41:18,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954054133] [2021-09-22 14:41:18,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-09-22 14:41:18,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:41:18,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-09-22 14:41:18,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-22 14:41:18,110 INFO L87 Difference]: Start difference. First operand 662 states and 2060 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-09-22 14:41:18,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:41:18,121 INFO L93 Difference]: Finished difference Result 652 states and 2022 transitions. [2021-09-22 14:41:18,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-09-22 14:41:18,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) Word has length 9 [2021-09-22 14:41:18,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:41:18,127 INFO L225 Difference]: With dead ends: 652 [2021-09-22 14:41:18,127 INFO L226 Difference]: Without dead ends: 652 [2021-09-22 14:41:18,128 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-22 14:41:18,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2021-09-22 14:41:18,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 652. [2021-09-22 14:41:18,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 651 states have (on average 3.1059907834101383) internal successors, (2022), 651 states have internal predecessors, (2022), 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) [2021-09-22 14:41:18,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 2022 transitions. [2021-09-22 14:41:18,150 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 2022 transitions. Word has length 9 [2021-09-22 14:41:18,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:41:18,151 INFO L470 AbstractCegarLoop]: Abstraction has 652 states and 2022 transitions. [2021-09-22 14:41:18,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-09-22 14:41:18,151 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 2022 transitions. [2021-09-22 14:41:18,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-09-22 14:41:18,153 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:41:18,153 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:41:18,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-09-22 14:41:18,153 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-09-22 14:41:18,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:41:18,154 INFO L82 PathProgramCache]: Analyzing trace with hash 2139511952, now seen corresponding path program 1 times [2021-09-22 14:41:18,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:41:18,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670759155] [2021-09-22 14:41:18,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:41:18,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:41:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:41:18,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:41:18,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:41:18,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670759155] [2021-09-22 14:41:18,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670759155] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:41:18,208 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:41:18,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-09-22 14:41:18,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346121169] [2021-09-22 14:41:18,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-09-22 14:41:18,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:41:18,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-09-22 14:41:18,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-22 14:41:18,210 INFO L87 Difference]: Start difference. First operand 652 states and 2022 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-09-22 14:41:18,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:41:18,219 INFO L93 Difference]: Finished difference Result 612 states and 1880 transitions. [2021-09-22 14:41:18,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-09-22 14:41:18,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) Word has length 10 [2021-09-22 14:41:18,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:41:18,224 INFO L225 Difference]: With dead ends: 612 [2021-09-22 14:41:18,225 INFO L226 Difference]: Without dead ends: 612 [2021-09-22 14:41:18,225 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-22 14:41:18,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2021-09-22 14:41:18,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2021-09-22 14:41:18,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 611 states have (on average 3.076923076923077) internal successors, (1880), 611 states have internal predecessors, (1880), 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) [2021-09-22 14:41:18,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1880 transitions. [2021-09-22 14:41:18,243 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1880 transitions. Word has length 10 [2021-09-22 14:41:18,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:41:18,244 INFO L470 AbstractCegarLoop]: Abstraction has 612 states and 1880 transitions. [2021-09-22 14:41:18,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-09-22 14:41:18,244 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1880 transitions. [2021-09-22 14:41:18,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-09-22 14:41:18,246 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:41:18,246 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:41:18,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-09-22 14:41:18,247 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-09-22 14:41:18,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:41:18,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1900359164, now seen corresponding path program 1 times [2021-09-22 14:41:18,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:41:18,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87448772] [2021-09-22 14:41:18,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:41:18,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:41:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:41:18,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:41:18,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:41:18,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87448772] [2021-09-22 14:41:18,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87448772] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:41:18,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:41:18,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-09-22 14:41:18,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207110971] [2021-09-22 14:41:18,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-09-22 14:41:18,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:41:18,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-09-22 14:41:18,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-09-22 14:41:18,328 INFO L87 Difference]: Start difference. First operand 612 states and 1880 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-09-22 14:41:18,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:41:18,377 INFO L93 Difference]: Finished difference Result 554 states and 1493 transitions. [2021-09-22 14:41:18,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-09-22 14:41:18,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) Word has length 11 [2021-09-22 14:41:18,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:41:18,380 INFO L225 Difference]: With dead ends: 554 [2021-09-22 14:41:18,380 INFO L226 Difference]: Without dead ends: 404 [2021-09-22 14:41:18,380 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-09-22 14:41:18,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2021-09-22 14:41:18,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2021-09-22 14:41:18,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 403 states have (on average 2.600496277915633) internal successors, (1048), 403 states have internal predecessors, (1048), 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) [2021-09-22 14:41:18,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 1048 transitions. [2021-09-22 14:41:18,392 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 1048 transitions. Word has length 11 [2021-09-22 14:41:18,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:41:18,393 INFO L470 AbstractCegarLoop]: Abstraction has 404 states and 1048 transitions. [2021-09-22 14:41:18,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-09-22 14:41:18,393 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 1048 transitions. [2021-09-22 14:41:18,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-09-22 14:41:18,395 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:41:18,395 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:41:18,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-09-22 14:41:18,395 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-09-22 14:41:18,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:41:18,396 INFO L82 PathProgramCache]: Analyzing trace with hash 790179061, now seen corresponding path program 1 times [2021-09-22 14:41:18,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:41:18,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801811777] [2021-09-22 14:41:18,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:41:18,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:41:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:41:18,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:41:18,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:41:18,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801811777] [2021-09-22 14:41:18,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801811777] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:41:18,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:41:18,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-09-22 14:41:18,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645823496] [2021-09-22 14:41:18,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-09-22 14:41:18,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:41:18,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-09-22 14:41:18,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-09-22 14:41:18,511 INFO L87 Difference]: Start difference. First operand 404 states and 1048 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-09-22 14:41:18,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:41:18,548 INFO L93 Difference]: Finished difference Result 322 states and 773 transitions. [2021-09-22 14:41:18,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-09-22 14:41:18,548 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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) Word has length 14 [2021-09-22 14:41:18,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:41:18,550 INFO L225 Difference]: With dead ends: 322 [2021-09-22 14:41:18,550 INFO L226 Difference]: Without dead ends: 252 [2021-09-22 14:41:18,551 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 13.6ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-09-22 14:41:18,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2021-09-22 14:41:18,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2021-09-22 14:41:18,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 2.358565737051793) internal successors, (592), 251 states have internal predecessors, (592), 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) [2021-09-22 14:41:18,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 592 transitions. [2021-09-22 14:41:18,558 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 592 transitions. Word has length 14 [2021-09-22 14:41:18,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:41:18,558 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 592 transitions. [2021-09-22 14:41:18,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-09-22 14:41:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 592 transitions. [2021-09-22 14:41:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-09-22 14:41:18,560 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:41:18,560 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:41:18,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-09-22 14:41:18,560 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-09-22 14:41:18,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:41:18,561 INFO L82 PathProgramCache]: Analyzing trace with hash -936524595, now seen corresponding path program 1 times [2021-09-22 14:41:18,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:41:18,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812626432] [2021-09-22 14:41:18,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:41:18,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:41:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:41:18,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:41:18,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:41:18,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812626432] [2021-09-22 14:41:18,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812626432] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:41:18,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:41:18,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-09-22 14:41:18,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046082490] [2021-09-22 14:41:18,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-09-22 14:41:18,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:41:18,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-09-22 14:41:18,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-09-22 14:41:18,682 INFO L87 Difference]: Start difference. First operand 252 states and 592 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-09-22 14:41:18,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:41:18,723 INFO L93 Difference]: Finished difference Result 229 states and 544 transitions. [2021-09-22 14:41:18,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-09-22 14:41:18,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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) Word has length 18 [2021-09-22 14:41:18,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:41:18,724 INFO L225 Difference]: With dead ends: 229 [2021-09-22 14:41:18,725 INFO L226 Difference]: Without dead ends: 215 [2021-09-22 14:41:18,725 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 17.0ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-09-22 14:41:18,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-09-22 14:41:18,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2021-09-22 14:41:18,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 214 states have (on average 2.4205607476635516) internal successors, (518), 214 states have internal predecessors, (518), 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) [2021-09-22 14:41:18,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 518 transitions. [2021-09-22 14:41:18,732 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 518 transitions. Word has length 18 [2021-09-22 14:41:18,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:41:18,732 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 518 transitions. [2021-09-22 14:41:18,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-09-22 14:41:18,733 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 518 transitions. [2021-09-22 14:41:18,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-09-22 14:41:18,734 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:41:18,734 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:41:18,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-09-22 14:41:18,734 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-09-22 14:41:18,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:41:18,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1029271406, now seen corresponding path program 1 times [2021-09-22 14:41:18,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:41:18,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704291429] [2021-09-22 14:41:18,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:41:18,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:41:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:41:18,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:41:18,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:41:18,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704291429] [2021-09-22 14:41:18,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704291429] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:41:18,840 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:41:18,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-09-22 14:41:18,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924058550] [2021-09-22 14:41:18,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-09-22 14:41:18,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:41:18,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-09-22 14:41:18,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-09-22 14:41:18,841 INFO L87 Difference]: Start difference. First operand 215 states and 518 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-09-22 14:41:18,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:41:18,879 INFO L93 Difference]: Finished difference Result 316 states and 751 transitions. [2021-09-22 14:41:18,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-09-22 14:41:18,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) Word has length 22 [2021-09-22 14:41:18,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:41:18,881 INFO L225 Difference]: With dead ends: 316 [2021-09-22 14:41:18,881 INFO L226 Difference]: Without dead ends: 212 [2021-09-22 14:41:18,882 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-09-22 14:41:18,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-09-22 14:41:18,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 167. [2021-09-22 14:41:18,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 166 states have (on average 2.325301204819277) internal successors, (386), 166 states have internal predecessors, (386), 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) [2021-09-22 14:41:18,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 386 transitions. [2021-09-22 14:41:18,887 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 386 transitions. Word has length 22 [2021-09-22 14:41:18,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:41:18,887 INFO L470 AbstractCegarLoop]: Abstraction has 167 states and 386 transitions. [2021-09-22 14:41:18,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-09-22 14:41:18,887 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 386 transitions. [2021-09-22 14:41:18,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-09-22 14:41:18,888 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:41:18,888 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:41:18,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-09-22 14:41:18,889 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-09-22 14:41:18,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:41:18,889 INFO L82 PathProgramCache]: Analyzing trace with hash 685093012, now seen corresponding path program 2 times [2021-09-22 14:41:18,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:41:18,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987642782] [2021-09-22 14:41:18,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:41:18,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:41:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:41:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:41:18,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:41:18,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987642782] [2021-09-22 14:41:18,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987642782] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:41:18,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:41:18,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-09-22 14:41:18,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316248802] [2021-09-22 14:41:18,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-09-22 14:41:18,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:41:18,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-09-22 14:41:18,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-09-22 14:41:18,982 INFO L87 Difference]: Start difference. First operand 167 states and 386 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-09-22 14:41:18,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:41:18,996 INFO L93 Difference]: Finished difference Result 256 states and 584 transitions. [2021-09-22 14:41:18,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-09-22 14:41:18,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) Word has length 22 [2021-09-22 14:41:18,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:41:18,997 INFO L225 Difference]: With dead ends: 256 [2021-09-22 14:41:18,997 INFO L226 Difference]: Without dead ends: 127 [2021-09-22 14:41:18,998 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-09-22 14:41:18,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-09-22 14:41:19,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2021-09-22 14:41:19,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 126 states have (on average 2.1746031746031744) internal successors, (274), 126 states have internal predecessors, (274), 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) [2021-09-22 14:41:19,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 274 transitions. [2021-09-22 14:41:19,001 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 274 transitions. Word has length 22 [2021-09-22 14:41:19,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:41:19,002 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 274 transitions. [2021-09-22 14:41:19,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-09-22 14:41:19,002 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 274 transitions. [2021-09-22 14:41:19,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-09-22 14:41:19,003 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:41:19,003 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:41:19,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-09-22 14:41:19,004 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-09-22 14:41:19,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:41:19,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1126516332, now seen corresponding path program 3 times [2021-09-22 14:41:19,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:41:19,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121654321] [2021-09-22 14:41:19,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:41:19,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:41:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:41:19,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:41:19,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:41:19,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121654321] [2021-09-22 14:41:19,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121654321] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:41:19,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:41:19,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-09-22 14:41:19,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902146025] [2021-09-22 14:41:19,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-09-22 14:41:19,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:41:19,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-09-22 14:41:19,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-22 14:41:19,109 INFO L87 Difference]: Start difference. First operand 127 states and 274 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-09-22 14:41:19,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:41:19,118 INFO L93 Difference]: Finished difference Result 174 states and 372 transitions. [2021-09-22 14:41:19,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-09-22 14:41:19,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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) Word has length 22 [2021-09-22 14:41:19,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:41:19,119 INFO L225 Difference]: With dead ends: 174 [2021-09-22 14:41:19,120 INFO L226 Difference]: Without dead ends: 111 [2021-09-22 14:41:19,120 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-22 14:41:19,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-09-22 14:41:19,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-09-22 14:41:19,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 2.1272727272727274) internal successors, (234), 110 states have internal predecessors, (234), 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) [2021-09-22 14:41:19,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 234 transitions. [2021-09-22 14:41:19,124 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 234 transitions. Word has length 22 [2021-09-22 14:41:19,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:41:19,124 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 234 transitions. [2021-09-22 14:41:19,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-09-22 14:41:19,124 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 234 transitions. [2021-09-22 14:41:19,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-09-22 14:41:19,125 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:41:19,125 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:41:19,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-09-22 14:41:19,126 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-09-22 14:41:19,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:41:19,126 INFO L82 PathProgramCache]: Analyzing trace with hash 291382430, now seen corresponding path program 4 times [2021-09-22 14:41:19,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:41:19,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050618257] [2021-09-22 14:41:19,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:41:19,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:41:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-09-22 14:41:19,190 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-09-22 14:41:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-09-22 14:41:19,298 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-09-22 14:41:19,299 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-09-22 14:41:19,300 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-09-22 14:41:19,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-09-22 14:41:19,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-09-22 14:41:19,302 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-09-22 14:41:19,302 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-09-22 14:41:19,302 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-09-22 14:41:19,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-09-22 14:41:19,308 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-09-22 14:41:19,308 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-09-22 14:41:19,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.09 02:41:19 BasicIcfg [2021-09-22 14:41:19,393 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-09-22 14:41:19,394 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-09-22 14:41:19,394 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-09-22 14:41:19,394 INFO L275 PluginConnector]: Witness Printer initialized [2021-09-22 14:41:19,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 02:41:12" (3/4) ... [2021-09-22 14:41:19,396 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-09-22 14:41:19,505 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-09-22 14:41:19,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-09-22 14:41:19,508 INFO L168 Benchmark]: Toolchain (without parser) took 9507.51 ms. Allocated memory was 65.0 MB in the beginning and 161.5 MB in the end (delta: 96.5 MB). Free memory was 43.0 MB in the beginning and 123.2 MB in the end (delta: -80.2 MB). Peak memory consumption was 94.1 MB. Max. memory is 16.1 GB. [2021-09-22 14:41:19,508 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 65.0 MB. Free memory was 45.9 MB in the beginning and 45.8 MB in the end (delta: 44.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-09-22 14:41:19,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.35 ms. Allocated memory is still 65.0 MB. Free memory was 42.8 MB in the beginning and 33.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-09-22 14:41:19,509 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.18 ms. Allocated memory is still 65.0 MB. Free memory was 33.9 MB in the beginning and 31.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-09-22 14:41:19,509 INFO L168 Benchmark]: Boogie Preprocessor took 59.31 ms. Allocated memory is still 65.0 MB. Free memory was 31.4 MB in the beginning and 29.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-09-22 14:41:19,509 INFO L168 Benchmark]: RCFGBuilder took 1657.41 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 29.2 MB in the beginning and 43.4 MB in the end (delta: -14.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-09-22 14:41:19,509 INFO L168 Benchmark]: TraceAbstraction took 7077.59 ms. Allocated memory was 79.7 MB in the beginning and 161.5 MB in the end (delta: 81.8 MB). Free memory was 42.9 MB in the beginning and 60.2 MB in the end (delta: -17.3 MB). Peak memory consumption was 66.5 MB. Max. memory is 16.1 GB. [2021-09-22 14:41:19,510 INFO L168 Benchmark]: Witness Printer took 111.78 ms. Allocated memory is still 161.5 MB. Free memory was 60.2 MB in the beginning and 123.2 MB in the end (delta: -63.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-09-22 14:41:19,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 65.0 MB. Free memory was 45.9 MB in the beginning and 45.8 MB in the end (delta: 44.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 542.35 ms. Allocated memory is still 65.0 MB. Free memory was 42.8 MB in the beginning and 33.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.18 ms. Allocated memory is still 65.0 MB. Free memory was 33.9 MB in the beginning and 31.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.31 ms. Allocated memory is still 65.0 MB. Free memory was 31.4 MB in the beginning and 29.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1657.41 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 29.2 MB in the beginning and 43.4 MB in the end (delta: -14.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7077.59 ms. Allocated memory was 79.7 MB in the beginning and 161.5 MB in the end (delta: 81.8 MB). Free memory was 42.9 MB in the beginning and 60.2 MB in the end (delta: -17.3 MB). Peak memory consumption was 66.5 MB. Max. memory is 16.1 GB. * Witness Printer took 111.78 ms. Allocated memory is still 161.5 MB. Free memory was 60.2 MB in the beginning and 123.2 MB in the end (delta: -63.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4933.5ms, 117 PlacesBefore, 37 PlacesAfterwards, 109 TransitionsBefore, 27 TransitionsAfterwards, 1962 CoEnabledTransitionPairs, 7 FixpointIterations, 39 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 94 TotalNumberOfCompositions, 5488 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2914, positive: 2724, positive conditional: 0, positive unconditional: 2724, negative: 190, negative conditional: 0, negative unconditional: 190, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1435, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1435, positive: 1356, positive conditional: 0, positive unconditional: 1356, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 79, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 418, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 376, negative conditional: 0, negative unconditional: 376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2914, positive: 1351, positive conditional: 0, positive unconditional: 1351, negative: 128, negative conditional: 0, negative unconditional: 128, unknown: 1435, unknown conditional: 0, unknown unconditional: 1435] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 140, Positive conditional cache size: 0, Positive unconditional cache size: 140, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L723] 0 int z = 0; [L724] 0 _Bool z$flush_delayed; [L725] 0 int z$mem_tmp; [L726] 0 _Bool z$r_buff0_thd0; [L727] 0 _Bool z$r_buff0_thd1; [L728] 0 _Bool z$r_buff0_thd2; [L729] 0 _Bool z$r_buff0_thd3; [L730] 0 _Bool z$r_buff1_thd0; [L731] 0 _Bool z$r_buff1_thd1; [L732] 0 _Bool z$r_buff1_thd2; [L733] 0 _Bool z$r_buff1_thd3; [L734] 0 _Bool z$read_delayed; [L735] 0 int *z$read_delayed_var; [L736] 0 int z$w_buff0; [L737] 0 _Bool z$w_buff0_used; [L738] 0 int z$w_buff1; [L739] 0 _Bool z$w_buff1_used; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L838] 0 pthread_t t678; [L839] FCALL, FORK 0 pthread_create(&t678, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L840] 0 pthread_t t679; [L745] 1 z$w_buff1 = z$w_buff0 [L746] 1 z$w_buff0 = 1 [L747] 1 z$w_buff1_used = z$w_buff0_used [L748] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L750] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L751] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L752] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L753] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L754] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L841] FCALL, FORK 0 pthread_create(&t679, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L842] 0 pthread_t t680; [L843] FCALL, FORK 0 pthread_create(&t680, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L757] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L774] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L794] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L780] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L780] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L781] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L781] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L782] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L782] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L783] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L783] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L784] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L784] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L789] 2 return 0; [L797] 3 __unbuffered_p2_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L800] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L801] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L802] 3 z$flush_delayed = weak$$choice2 [L803] 3 z$mem_tmp = z [L804] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L804] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L805] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L805] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L805] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L805] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L806] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L806] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L806] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L806] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L807] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L807] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L807] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L807] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L808] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L808] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L809] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L809] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L809] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L810] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L810] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] 3 __unbuffered_p2_EBX = z [L812] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L812] 3 z = z$flush_delayed ? z$mem_tmp : z [L813] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L816] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L816] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L816] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L816] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L817] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L817] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L818] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L818] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L819] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L819] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L820] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L820] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L823] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L825] 3 return 0; [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L760] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L761] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L761] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L762] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L762] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L763] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L763] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L764] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L764] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L769] 1 return 0; [L845] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L849] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L849] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L850] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L850] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L851] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L851] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L852] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L852] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L853] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L853] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L856] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 841]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 839]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 843]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 137 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 6847.8ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 17.5ms, AutomataDifference: 350.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5009.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 244 SDtfs, 226 SDslu, 293 SDs, 0 SdLazy, 114 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 128.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 73.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=854occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 184.4ms AutomataMinimizationTime, 9 MinimizatonAttempts, 45 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 41.3ms SsaConstructionTime, 418.5ms SatisfiabilityAnalysisTime, 486.5ms InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 428 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 incorrect! [2021-09-22 14:41:19,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...