./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.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 497394b95b3d1d02ab9ce49b64d507b876172aa5c11270440b3f7ed6bf5019ac --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 22:22:35,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 22:22:35,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 22:22:36,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 22:22:36,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 22:22:36,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 22:22:36,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 22:22:36,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 22:22:36,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 22:22:36,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 22:22:36,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 22:22:36,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 22:22:36,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 22:22:36,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 22:22:36,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 22:22:36,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 22:22:36,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 22:22:36,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 22:22:36,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 22:22:36,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 22:22:36,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 22:22:36,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 22:22:36,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 22:22:36,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 22:22:36,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 22:22:36,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 22:22:36,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 22:22:36,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 22:22:36,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 22:22:36,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 22:22:36,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 22:22:36,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 22:22:36,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 22:22:36,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 22:22:36,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 22:22:36,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 22:22:36,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 22:22:36,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 22:22:36,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 22:22:36,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 22:22:36,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 22:22:36,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 22:22:36,099 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 22:22:36,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 22:22:36,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 22:22:36,100 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 22:22:36,100 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 22:22:36,100 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 22:22:36,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 22:22:36,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 22:22:36,101 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 22:22:36,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 22:22:36,102 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 22:22:36,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 22:22:36,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 22:22:36,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 22:22:36,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 22:22:36,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 22:22:36,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 22:22:36,103 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 22:22:36,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 22:22:36,103 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 22:22:36,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 22:22:36,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 22:22:36,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 22:22:36,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 22:22:36,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:22:36,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 22:22:36,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 22:22:36,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 22:22:36,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 22:22:36,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 22:22:36,105 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 22:22:36,105 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 22:22:36,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 22:22:36,106 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 22:22:36,106 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 497394b95b3d1d02ab9ce49b64d507b876172aa5c11270440b3f7ed6bf5019ac [2021-12-17 22:22:36,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 22:22:36,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 22:22:36,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 22:22:36,357 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 22:22:36,358 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 22:22:36,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-12-17 22:22:36,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390e39fb8/65bb38140aa44af28bdd5866d7fa9b9f/FLAG3bfdef307 [2021-12-17 22:22:36,813 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 22:22:36,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-12-17 22:22:36,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390e39fb8/65bb38140aa44af28bdd5866d7fa9b9f/FLAG3bfdef307 [2021-12-17 22:22:37,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390e39fb8/65bb38140aa44af28bdd5866d7fa9b9f [2021-12-17 22:22:37,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 22:22:37,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 22:22:37,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 22:22:37,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 22:22:37,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 22:22:37,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:22:37" (1/1) ... [2021-12-17 22:22:37,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28df3858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:37, skipping insertion in model container [2021-12-17 22:22:37,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:22:37" (1/1) ... [2021-12-17 22:22:37,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 22:22:37,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 22:22:37,377 WARN L230 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/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[996,1009] [2021-12-17 22:22:37,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 22:22:37,556 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 22:22:37,571 WARN L230 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/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[996,1009] [2021-12-17 22:22:37,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 22:22:37,650 INFO L208 MainTranslator]: Completed translation [2021-12-17 22:22:37,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:37 WrapperNode [2021-12-17 22:22:37,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 22:22:37,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 22:22:37,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 22:22:37,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 22:22:37,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:37" (1/1) ... [2021-12-17 22:22:37,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:37" (1/1) ... [2021-12-17 22:22:37,709 INFO L137 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 175 [2021-12-17 22:22:37,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 22:22:37,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 22:22:37,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 22:22:37,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 22:22:37,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:37" (1/1) ... [2021-12-17 22:22:37,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:37" (1/1) ... [2021-12-17 22:22:37,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:37" (1/1) ... [2021-12-17 22:22:37,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:37" (1/1) ... [2021-12-17 22:22:37,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:37" (1/1) ... [2021-12-17 22:22:37,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:37" (1/1) ... [2021-12-17 22:22:37,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:37" (1/1) ... [2021-12-17 22:22:37,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 22:22:37,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 22:22:37,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 22:22:37,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 22:22:37,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:37" (1/1) ... [2021-12-17 22:22:37,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:22:37,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:22:37,797 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) [2021-12-17 22:22:37,798 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 [2021-12-17 22:22:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 22:22:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-17 22:22:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 22:22:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 22:22:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 22:22:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-17 22:22:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-17 22:22:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-17 22:22:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-17 22:22:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-17 22:22:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-17 22:22:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 22:22:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-17 22:22:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 22:22:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 22:22:37,827 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-17 22:22:37,930 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 22:22:37,932 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 22:22:38,308 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 22:22:38,544 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 22:22:38,544 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-17 22:22:38,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:22:38 BoogieIcfgContainer [2021-12-17 22:22:38,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 22:22:38,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 22:22:38,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 22:22:38,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 22:22:38,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:22:37" (1/3) ... [2021-12-17 22:22:38,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e6435c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:22:38, skipping insertion in model container [2021-12-17 22:22:38,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:37" (2/3) ... [2021-12-17 22:22:38,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e6435c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:22:38, skipping insertion in model container [2021-12-17 22:22:38,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:22:38" (3/3) ... [2021-12-17 22:22:38,553 INFO L111 eAbstractionObserver]: Analyzing ICFG safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-12-17 22:22:38,557 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-17 22:22:38,557 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 22:22:38,557 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-17 22:22:38,557 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-17 22:22:38,589 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,590 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,590 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,590 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,590 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,590 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,591 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,591 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,591 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,592 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,592 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,592 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,592 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,592 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,592 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,593 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,593 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,593 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,593 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,594 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,594 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,594 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,594 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,595 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,595 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,595 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,595 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,595 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,596 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,596 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,596 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,596 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,597 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,597 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,597 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,597 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,597 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,597 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,597 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,598 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,598 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,598 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,598 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,598 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,598 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,599 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,599 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,599 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,599 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,600 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,600 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,600 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,600 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,600 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,600 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,600 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,601 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,601 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,601 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,601 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,602 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,602 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,602 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,602 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,602 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,603 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,603 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,603 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,603 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,603 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,604 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,604 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,604 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,604 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,604 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,604 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,604 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,605 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,605 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,606 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,607 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,608 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,608 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,608 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,609 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,609 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,609 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,609 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,609 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,614 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,614 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,614 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,614 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,614 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,615 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,615 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,615 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,615 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,615 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,615 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,615 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,615 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,616 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,616 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,616 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,616 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,618 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,618 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,619 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,619 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,619 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,619 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,619 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,619 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,619 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,619 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,620 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,620 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,620 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,620 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,620 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,620 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,620 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,620 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,621 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,621 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,621 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,621 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,621 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,621 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,621 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,622 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,622 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,622 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,622 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,622 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,622 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,622 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,622 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,623 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,623 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,623 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,623 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,623 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,624 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,625 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,625 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,625 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,626 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,626 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,626 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,626 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,626 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,626 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,627 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,627 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,627 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,627 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,628 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,628 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,628 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,628 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,632 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,632 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,632 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,632 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,632 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,632 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,633 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,633 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,633 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,633 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,633 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,633 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,634 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,634 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,634 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,634 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,634 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,635 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,635 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,635 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,635 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,635 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,636 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,636 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,636 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,636 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,636 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,637 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,637 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,637 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,637 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,637 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,637 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,637 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,638 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,638 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,638 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,638 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,638 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,638 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,638 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,639 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,639 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,639 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,640 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,642 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,643 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,643 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,643 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,643 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,643 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,643 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,643 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,644 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,645 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:22:38,645 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-17 22:22:38,685 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 22:22:38,701 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-17 22:22:38,701 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-12-17 22:22:38,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 113 transitions, 241 flow [2021-12-17 22:22:38,757 INFO L129 PetriNetUnfolder]: 2/110 cut-off events. [2021-12-17 22:22:38,758 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-17 22:22:38,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 110 events. 2/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2021-12-17 22:22:38,761 INFO L82 GeneralOperation]: Start removeDead. Operand has 121 places, 113 transitions, 241 flow [2021-12-17 22:22:38,764 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 118 places, 110 transitions, 229 flow [2021-12-17 22:22:38,772 INFO L129 PetriNetUnfolder]: 0/45 cut-off events. [2021-12-17 22:22:38,773 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-17 22:22:38,774 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:22:38,774 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:22:38,775 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-17 22:22:38,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:22:38,779 INFO L85 PathProgramCache]: Analyzing trace with hash 2121349431, now seen corresponding path program 1 times [2021-12-17 22:22:38,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:22:38,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070338009] [2021-12-17 22:22:38,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:22:38,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:22:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:22:39,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:22:39,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:22:39,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070338009] [2021-12-17 22:22:39,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070338009] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:22:39,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:22:39,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 22:22:39,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103070305] [2021-12-17 22:22:39,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:22:39,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:22:39,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:22:39,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:22:39,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:22:39,075 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 113 [2021-12-17 22:22:39,080 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 110 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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) [2021-12-17 22:22:39,080 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:22:39,080 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 113 [2021-12-17 22:22:39,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:22:39,186 INFO L129 PetriNetUnfolder]: 58/317 cut-off events. [2021-12-17 22:22:39,186 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-12-17 22:22:39,190 INFO L84 FinitePrefix]: Finished finitePrefix Result has 446 conditions, 317 events. 58/317 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1303 event pairs, 44 based on Foata normal form. 9/299 useless extension candidates. Maximal degree in co-relation 395. Up to 79 conditions per place. [2021-12-17 22:22:39,193 INFO L132 encePairwiseOnDemand]: 108/113 looper letters, 14 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2021-12-17 22:22:39,193 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 112 transitions, 271 flow [2021-12-17 22:22:39,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:22:39,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:22:39,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 318 transitions. [2021-12-17 22:22:39,207 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9380530973451328 [2021-12-17 22:22:39,208 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 318 transitions. [2021-12-17 22:22:39,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 318 transitions. [2021-12-17 22:22:39,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:22:39,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 318 transitions. [2021-12-17 22:22:39,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2021-12-17 22:22:39,220 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 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) [2021-12-17 22:22:39,220 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 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) [2021-12-17 22:22:39,222 INFO L186 Difference]: Start difference. First operand has 118 places, 110 transitions, 229 flow. Second operand 3 states and 318 transitions. [2021-12-17 22:22:39,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 112 transitions, 271 flow [2021-12-17 22:22:39,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 112 transitions, 266 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-12-17 22:22:39,227 INFO L242 Difference]: Finished difference. Result has 115 places, 106 transitions, 222 flow [2021-12-17 22:22:39,228 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=115, PETRI_TRANSITIONS=106} [2021-12-17 22:22:39,230 INFO L334 CegarLoopForPetriNet]: 118 programPoint places, -3 predicate places. [2021-12-17 22:22:39,231 INFO L470 AbstractCegarLoop]: Abstraction has has 115 places, 106 transitions, 222 flow [2021-12-17 22:22:39,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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) [2021-12-17 22:22:39,231 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:22:39,231 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:22:39,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 22:22:39,231 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-17 22:22:39,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:22:39,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1675535656, now seen corresponding path program 1 times [2021-12-17 22:22:39,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:22:39,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986559870] [2021-12-17 22:22:39,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:22:39,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:22:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:22:39,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:22:39,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:22:39,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986559870] [2021-12-17 22:22:39,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986559870] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:22:39,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:22:39,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 22:22:39,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907863210] [2021-12-17 22:22:39,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:22:39,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 22:22:39,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:22:39,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 22:22:39,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 22:22:39,423 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 113 [2021-12-17 22:22:39,435 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 106 transitions, 222 flow. Second operand has 6 states, 6 states have (on average 89.16666666666667) internal successors, (535), 6 states have internal predecessors, (535), 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) [2021-12-17 22:22:39,436 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:22:39,436 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 113 [2021-12-17 22:22:39,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:22:40,203 INFO L129 PetriNetUnfolder]: 1708/4498 cut-off events. [2021-12-17 22:22:40,203 INFO L130 PetriNetUnfolder]: For 154/154 co-relation queries the response was YES. [2021-12-17 22:22:40,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7316 conditions, 4498 events. 1708/4498 cut-off events. For 154/154 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 38444 event pairs, 359 based on Foata normal form. 0/4356 useless extension candidates. Maximal degree in co-relation 7263. Up to 1131 conditions per place. [2021-12-17 22:22:40,225 INFO L132 encePairwiseOnDemand]: 102/113 looper letters, 28 selfloop transitions, 7 changer transitions 70/178 dead transitions. [2021-12-17 22:22:40,225 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 178 transitions, 570 flow [2021-12-17 22:22:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 22:22:40,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-17 22:22:40,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 879 transitions. [2021-12-17 22:22:40,228 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8643067846607669 [2021-12-17 22:22:40,228 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 879 transitions. [2021-12-17 22:22:40,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 879 transitions. [2021-12-17 22:22:40,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:22:40,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 879 transitions. [2021-12-17 22:22:40,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 97.66666666666667) internal successors, (879), 9 states have internal predecessors, (879), 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) [2021-12-17 22:22:40,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 113.0) internal successors, (1130), 10 states have internal predecessors, (1130), 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) [2021-12-17 22:22:40,234 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 113.0) internal successors, (1130), 10 states have internal predecessors, (1130), 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) [2021-12-17 22:22:40,234 INFO L186 Difference]: Start difference. First operand has 115 places, 106 transitions, 222 flow. Second operand 9 states and 879 transitions. [2021-12-17 22:22:40,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 178 transitions, 570 flow [2021-12-17 22:22:40,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 178 transitions, 552 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-17 22:22:40,239 INFO L242 Difference]: Finished difference. Result has 129 places, 98 transitions, 276 flow [2021-12-17 22:22:40,239 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=276, PETRI_PLACES=129, PETRI_TRANSITIONS=98} [2021-12-17 22:22:40,240 INFO L334 CegarLoopForPetriNet]: 118 programPoint places, 11 predicate places. [2021-12-17 22:22:40,240 INFO L470 AbstractCegarLoop]: Abstraction has has 129 places, 98 transitions, 276 flow [2021-12-17 22:22:40,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 89.16666666666667) internal successors, (535), 6 states have internal predecessors, (535), 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) [2021-12-17 22:22:40,240 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:22:40,240 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:22:40,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 22:22:40,241 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-17 22:22:40,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:22:40,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1491460899, now seen corresponding path program 1 times [2021-12-17 22:22:40,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:22:40,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527935068] [2021-12-17 22:22:40,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:22:40,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:22:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:22:40,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:22:40,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:22:40,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527935068] [2021-12-17 22:22:40,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527935068] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:22:40,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:22:40,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 22:22:40,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581000730] [2021-12-17 22:22:40,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:22:40,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 22:22:40,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:22:40,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 22:22:40,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-17 22:22:40,398 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 113 [2021-12-17 22:22:40,398 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 98 transitions, 276 flow. Second operand has 7 states, 7 states have (on average 89.0) internal successors, (623), 7 states have internal predecessors, (623), 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) [2021-12-17 22:22:40,398 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:22:40,398 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 113 [2021-12-17 22:22:40,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:22:40,953 INFO L129 PetriNetUnfolder]: 1095/2292 cut-off events. [2021-12-17 22:22:40,953 INFO L130 PetriNetUnfolder]: For 2780/2780 co-relation queries the response was YES. [2021-12-17 22:22:40,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6129 conditions, 2292 events. 1095/2292 cut-off events. For 2780/2780 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 14897 event pairs, 204 based on Foata normal form. 48/2264 useless extension candidates. Maximal degree in co-relation 6064. Up to 795 conditions per place. [2021-12-17 22:22:40,965 INFO L132 encePairwiseOnDemand]: 104/113 looper letters, 33 selfloop transitions, 6 changer transitions 58/170 dead transitions. [2021-12-17 22:22:40,966 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 170 transitions, 756 flow [2021-12-17 22:22:40,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 22:22:40,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-17 22:22:40,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1226 transitions. [2021-12-17 22:22:40,969 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8345813478556842 [2021-12-17 22:22:40,969 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1226 transitions. [2021-12-17 22:22:40,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1226 transitions. [2021-12-17 22:22:40,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:22:40,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1226 transitions. [2021-12-17 22:22:40,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 94.3076923076923) internal successors, (1226), 13 states have internal predecessors, (1226), 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) [2021-12-17 22:22:40,974 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 113.0) internal successors, (1582), 14 states have internal predecessors, (1582), 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) [2021-12-17 22:22:40,974 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 113.0) internal successors, (1582), 14 states have internal predecessors, (1582), 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) [2021-12-17 22:22:40,974 INFO L186 Difference]: Start difference. First operand has 129 places, 98 transitions, 276 flow. Second operand 13 states and 1226 transitions. [2021-12-17 22:22:40,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 170 transitions, 756 flow [2021-12-17 22:22:40,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 170 transitions, 682 flow, removed 16 selfloop flow, removed 2 redundant places. [2021-12-17 22:22:40,988 INFO L242 Difference]: Finished difference. Result has 133 places, 100 transitions, 316 flow [2021-12-17 22:22:40,988 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=316, PETRI_PLACES=133, PETRI_TRANSITIONS=100} [2021-12-17 22:22:40,989 INFO L334 CegarLoopForPetriNet]: 118 programPoint places, 15 predicate places. [2021-12-17 22:22:40,990 INFO L470 AbstractCegarLoop]: Abstraction has has 133 places, 100 transitions, 316 flow [2021-12-17 22:22:40,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 89.0) internal successors, (623), 7 states have internal predecessors, (623), 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) [2021-12-17 22:22:40,991 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:22:40,991 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:22:40,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 22:22:40,991 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-17 22:22:40,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:22:40,992 INFO L85 PathProgramCache]: Analyzing trace with hash -658307561, now seen corresponding path program 1 times [2021-12-17 22:22:40,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:22:40,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362408770] [2021-12-17 22:22:40,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:22:40,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:22:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:22:41,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:22:41,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:22:41,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362408770] [2021-12-17 22:22:41,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362408770] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:22:41,130 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:22:41,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 22:22:41,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857550509] [2021-12-17 22:22:41,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:22:41,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 22:22:41,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:22:41,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 22:22:41,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-17 22:22:41,135 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 113 [2021-12-17 22:22:41,136 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 100 transitions, 316 flow. Second operand has 7 states, 7 states have (on average 89.0) internal successors, (623), 7 states have internal predecessors, (623), 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) [2021-12-17 22:22:41,136 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:22:41,136 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 113 [2021-12-17 22:22:41,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:22:41,714 INFO L129 PetriNetUnfolder]: 994/2264 cut-off events. [2021-12-17 22:22:41,714 INFO L130 PetriNetUnfolder]: For 5004/5011 co-relation queries the response was YES. [2021-12-17 22:22:41,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6458 conditions, 2264 events. 994/2264 cut-off events. For 5004/5011 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 15317 event pairs, 245 based on Foata normal form. 54/2233 useless extension candidates. Maximal degree in co-relation 6383. Up to 690 conditions per place. [2021-12-17 22:22:41,726 INFO L132 encePairwiseOnDemand]: 102/113 looper letters, 33 selfloop transitions, 13 changer transitions 61/180 dead transitions. [2021-12-17 22:22:41,726 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 180 transitions, 972 flow [2021-12-17 22:22:41,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 22:22:41,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-17 22:22:41,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1237 transitions. [2021-12-17 22:22:41,729 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8420694349897889 [2021-12-17 22:22:41,729 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1237 transitions. [2021-12-17 22:22:41,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1237 transitions. [2021-12-17 22:22:41,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:22:41,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1237 transitions. [2021-12-17 22:22:41,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 95.15384615384616) internal successors, (1237), 13 states have internal predecessors, (1237), 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) [2021-12-17 22:22:41,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 113.0) internal successors, (1582), 14 states have internal predecessors, (1582), 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) [2021-12-17 22:22:41,734 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 113.0) internal successors, (1582), 14 states have internal predecessors, (1582), 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) [2021-12-17 22:22:41,734 INFO L186 Difference]: Start difference. First operand has 133 places, 100 transitions, 316 flow. Second operand 13 states and 1237 transitions. [2021-12-17 22:22:41,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 180 transitions, 972 flow [2021-12-17 22:22:41,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 180 transitions, 886 flow, removed 41 selfloop flow, removed 10 redundant places. [2021-12-17 22:22:41,748 INFO L242 Difference]: Finished difference. Result has 137 places, 104 transitions, 387 flow [2021-12-17 22:22:41,748 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=387, PETRI_PLACES=137, PETRI_TRANSITIONS=104} [2021-12-17 22:22:41,749 INFO L334 CegarLoopForPetriNet]: 118 programPoint places, 19 predicate places. [2021-12-17 22:22:41,749 INFO L470 AbstractCegarLoop]: Abstraction has has 137 places, 104 transitions, 387 flow [2021-12-17 22:22:41,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 89.0) internal successors, (623), 7 states have internal predecessors, (623), 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) [2021-12-17 22:22:41,749 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:22:41,750 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:22:41,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 22:22:41,750 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-17 22:22:41,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:22:41,750 INFO L85 PathProgramCache]: Analyzing trace with hash -110200002, now seen corresponding path program 1 times [2021-12-17 22:22:41,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:22:41,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611295135] [2021-12-17 22:22:41,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:22:41,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:22:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:22:41,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:22:41,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:22:41,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611295135] [2021-12-17 22:22:41,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611295135] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:22:41,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:22:41,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 22:22:41,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266729927] [2021-12-17 22:22:41,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:22:41,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 22:22:41,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:22:41,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 22:22:41,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 22:22:41,840 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 113 [2021-12-17 22:22:41,841 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 104 transitions, 387 flow. Second operand has 6 states, 6 states have (on average 90.83333333333333) internal successors, (545), 6 states have internal predecessors, (545), 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) [2021-12-17 22:22:41,841 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:22:41,841 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 113 [2021-12-17 22:22:41,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:22:42,413 INFO L129 PetriNetUnfolder]: 2076/4225 cut-off events. [2021-12-17 22:22:42,413 INFO L130 PetriNetUnfolder]: For 5242/5666 co-relation queries the response was YES. [2021-12-17 22:22:42,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10140 conditions, 4225 events. 2076/4225 cut-off events. For 5242/5666 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 31368 event pairs, 124 based on Foata normal form. 3/4061 useless extension candidates. Maximal degree in co-relation 10061. Up to 1118 conditions per place. [2021-12-17 22:22:42,437 INFO L132 encePairwiseOnDemand]: 103/113 looper letters, 47 selfloop transitions, 9 changer transitions 39/178 dead transitions. [2021-12-17 22:22:42,437 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 178 transitions, 848 flow [2021-12-17 22:22:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-17 22:22:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-17 22:22:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 979 transitions. [2021-12-17 22:22:42,440 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8663716814159292 [2021-12-17 22:22:42,440 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 979 transitions. [2021-12-17 22:22:42,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 979 transitions. [2021-12-17 22:22:42,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:22:42,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 979 transitions. [2021-12-17 22:22:42,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 97.9) internal successors, (979), 10 states have internal predecessors, (979), 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) [2021-12-17 22:22:42,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 113.0) internal successors, (1243), 11 states have internal predecessors, (1243), 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) [2021-12-17 22:22:42,444 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 113.0) internal successors, (1243), 11 states have internal predecessors, (1243), 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) [2021-12-17 22:22:42,444 INFO L186 Difference]: Start difference. First operand has 137 places, 104 transitions, 387 flow. Second operand 10 states and 979 transitions. [2021-12-17 22:22:42,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 178 transitions, 848 flow [2021-12-17 22:22:42,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 178 transitions, 816 flow, removed 16 selfloop flow, removed 12 redundant places. [2021-12-17 22:22:42,454 INFO L242 Difference]: Finished difference. Result has 132 places, 111 transitions, 436 flow [2021-12-17 22:22:42,454 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=355, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=436, PETRI_PLACES=132, PETRI_TRANSITIONS=111} [2021-12-17 22:22:42,456 INFO L334 CegarLoopForPetriNet]: 118 programPoint places, 14 predicate places. [2021-12-17 22:22:42,456 INFO L470 AbstractCegarLoop]: Abstraction has has 132 places, 111 transitions, 436 flow [2021-12-17 22:22:42,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 90.83333333333333) internal successors, (545), 6 states have internal predecessors, (545), 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) [2021-12-17 22:22:42,456 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:22:42,457 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:22:42,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 22:22:42,457 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-17 22:22:42,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:22:42,457 INFO L85 PathProgramCache]: Analyzing trace with hash -544037031, now seen corresponding path program 1 times [2021-12-17 22:22:42,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:22:42,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511762432] [2021-12-17 22:22:42,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:22:42,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:22:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:22:42,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:22:42,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:22:42,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511762432] [2021-12-17 22:22:42,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511762432] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:22:42,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:22:42,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 22:22:42,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130653372] [2021-12-17 22:22:42,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:22:42,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 22:22:42,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:22:42,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 22:22:42,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-17 22:22:42,550 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 113 [2021-12-17 22:22:42,551 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 111 transitions, 436 flow. Second operand has 7 states, 7 states have (on average 90.85714285714286) internal successors, (636), 7 states have internal predecessors, (636), 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) [2021-12-17 22:22:42,551 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:22:42,551 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 113 [2021-12-17 22:22:42,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:22:43,134 INFO L129 PetriNetUnfolder]: 1249/2845 cut-off events. [2021-12-17 22:22:43,134 INFO L130 PetriNetUnfolder]: For 4733/5072 co-relation queries the response was YES. [2021-12-17 22:22:43,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8528 conditions, 2845 events. 1249/2845 cut-off events. For 4733/5072 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 22012 event pairs, 112 based on Foata normal form. 70/2832 useless extension candidates. Maximal degree in co-relation 8451. Up to 584 conditions per place. [2021-12-17 22:22:43,151 INFO L132 encePairwiseOnDemand]: 103/113 looper letters, 63 selfloop transitions, 22 changer transitions 37/205 dead transitions. [2021-12-17 22:22:43,151 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 205 transitions, 1196 flow [2021-12-17 22:22:43,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 22:22:43,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-17 22:22:43,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1270 transitions. [2021-12-17 22:22:43,155 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8645336963921034 [2021-12-17 22:22:43,155 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1270 transitions. [2021-12-17 22:22:43,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1270 transitions. [2021-12-17 22:22:43,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:22:43,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1270 transitions. [2021-12-17 22:22:43,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 97.6923076923077) internal successors, (1270), 13 states have internal predecessors, (1270), 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) [2021-12-17 22:22:43,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 113.0) internal successors, (1582), 14 states have internal predecessors, (1582), 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) [2021-12-17 22:22:43,161 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 113.0) internal successors, (1582), 14 states have internal predecessors, (1582), 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) [2021-12-17 22:22:43,161 INFO L186 Difference]: Start difference. First operand has 132 places, 111 transitions, 436 flow. Second operand 13 states and 1270 transitions. [2021-12-17 22:22:43,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 205 transitions, 1196 flow [2021-12-17 22:22:43,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 205 transitions, 1186 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-12-17 22:22:43,175 INFO L242 Difference]: Finished difference. Result has 143 places, 129 transitions, 641 flow [2021-12-17 22:22:43,175 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=641, PETRI_PLACES=143, PETRI_TRANSITIONS=129} [2021-12-17 22:22:43,177 INFO L334 CegarLoopForPetriNet]: 118 programPoint places, 25 predicate places. [2021-12-17 22:22:43,178 INFO L470 AbstractCegarLoop]: Abstraction has has 143 places, 129 transitions, 641 flow [2021-12-17 22:22:43,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 90.85714285714286) internal successors, (636), 7 states have internal predecessors, (636), 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) [2021-12-17 22:22:43,178 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:22:43,178 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:22:43,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 22:22:43,179 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-17 22:22:43,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:22:43,179 INFO L85 PathProgramCache]: Analyzing trace with hash 54108083, now seen corresponding path program 1 times [2021-12-17 22:22:43,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:22:43,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166216617] [2021-12-17 22:22:43,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:22:43,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:22:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:22:43,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:22:43,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:22:43,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166216617] [2021-12-17 22:22:43,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166216617] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:22:43,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:22:43,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-17 22:22:43,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603820909] [2021-12-17 22:22:43,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:22:43,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 22:22:43,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:22:43,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 22:22:43,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-17 22:22:43,317 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 113 [2021-12-17 22:22:43,318 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 129 transitions, 641 flow. Second operand has 8 states, 8 states have (on average 91.0) internal successors, (728), 8 states have internal predecessors, (728), 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) [2021-12-17 22:22:43,318 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:22:43,318 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 113 [2021-12-17 22:22:43,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:22:43,843 INFO L129 PetriNetUnfolder]: 1179/2672 cut-off events. [2021-12-17 22:22:43,844 INFO L130 PetriNetUnfolder]: For 6456/6806 co-relation queries the response was YES. [2021-12-17 22:22:43,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8876 conditions, 2672 events. 1179/2672 cut-off events. For 6456/6806 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 20937 event pairs, 112 based on Foata normal form. 34/2623 useless extension candidates. Maximal degree in co-relation 8795. Up to 543 conditions per place. [2021-12-17 22:22:43,861 INFO L132 encePairwiseOnDemand]: 103/113 looper letters, 52 selfloop transitions, 26 changer transitions 40/201 dead transitions. [2021-12-17 22:22:43,861 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 201 transitions, 1273 flow [2021-12-17 22:22:43,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-17 22:22:43,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-12-17 22:22:43,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1526 transitions. [2021-12-17 22:22:43,864 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8440265486725663 [2021-12-17 22:22:43,864 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1526 transitions. [2021-12-17 22:22:43,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1526 transitions. [2021-12-17 22:22:43,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:22:43,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1526 transitions. [2021-12-17 22:22:43,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 95.375) internal successors, (1526), 16 states have internal predecessors, (1526), 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) [2021-12-17 22:22:43,870 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 113.0) internal successors, (1921), 17 states have internal predecessors, (1921), 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) [2021-12-17 22:22:43,870 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 113.0) internal successors, (1921), 17 states have internal predecessors, (1921), 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) [2021-12-17 22:22:43,870 INFO L186 Difference]: Start difference. First operand has 143 places, 129 transitions, 641 flow. Second operand 16 states and 1526 transitions. [2021-12-17 22:22:43,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 201 transitions, 1273 flow [2021-12-17 22:22:43,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 201 transitions, 1105 flow, removed 74 selfloop flow, removed 6 redundant places. [2021-12-17 22:22:43,908 INFO L242 Difference]: Finished difference. Result has 159 places, 129 transitions, 607 flow [2021-12-17 22:22:43,908 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=513, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=607, PETRI_PLACES=159, PETRI_TRANSITIONS=129} [2021-12-17 22:22:43,909 INFO L334 CegarLoopForPetriNet]: 118 programPoint places, 41 predicate places. [2021-12-17 22:22:43,909 INFO L470 AbstractCegarLoop]: Abstraction has has 159 places, 129 transitions, 607 flow [2021-12-17 22:22:43,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 91.0) internal successors, (728), 8 states have internal predecessors, (728), 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) [2021-12-17 22:22:43,910 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:22:43,910 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:22:43,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 22:22:43,910 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-17 22:22:43,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:22:43,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1554203362, now seen corresponding path program 1 times [2021-12-17 22:22:43,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:22:43,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020697335] [2021-12-17 22:22:43,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:22:43,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:22:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 22:22:43,972 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 22:22:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 22:22:44,025 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 22:22:44,025 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 22:22:44,026 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-12-17 22:22:44,027 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-12-17 22:22:44,027 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2021-12-17 22:22:44,027 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2021-12-17 22:22:44,028 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2021-12-17 22:22:44,028 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-12-17 22:22:44,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 22:22:44,030 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:22:44,033 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-17 22:22:44,033 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 22:22:44,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:22:44 BasicIcfg [2021-12-17 22:22:44,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 22:22:44,134 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 22:22:44,134 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 22:22:44,135 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 22:22:44,135 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:22:38" (3/4) ... [2021-12-17 22:22:44,136 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-17 22:22:44,227 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 22:22:44,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 22:22:44,228 INFO L158 Benchmark]: Toolchain (without parser) took 7053.58ms. Allocated memory was 107.0MB in the beginning and 474.0MB in the end (delta: 367.0MB). Free memory was 71.6MB in the beginning and 303.1MB in the end (delta: -231.5MB). Peak memory consumption was 135.5MB. Max. memory is 16.1GB. [2021-12-17 22:22:44,228 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 107.0MB. Free memory was 81.7MB in the beginning and 81.7MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 22:22:44,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.37ms. Allocated memory is still 107.0MB. Free memory was 71.3MB in the beginning and 69.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 22:22:44,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.30ms. Allocated memory is still 107.0MB. Free memory was 69.2MB in the beginning and 66.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-17 22:22:44,229 INFO L158 Benchmark]: Boogie Preprocessor took 33.58ms. Allocated memory is still 107.0MB. Free memory was 66.7MB in the beginning and 64.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 22:22:44,229 INFO L158 Benchmark]: RCFGBuilder took 801.95ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 64.6MB in the beginning and 116.0MB in the end (delta: -51.4MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2021-12-17 22:22:44,230 INFO L158 Benchmark]: TraceAbstraction took 5586.07ms. Allocated memory was 144.7MB in the beginning and 474.0MB in the end (delta: 329.3MB). Free memory was 115.0MB in the beginning and 338.7MB in the end (delta: -223.8MB). Peak memory consumption was 107.6MB. Max. memory is 16.1GB. [2021-12-17 22:22:44,230 INFO L158 Benchmark]: Witness Printer took 93.21ms. Allocated memory is still 474.0MB. Free memory was 338.7MB in the beginning and 303.1MB in the end (delta: 35.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-12-17 22:22:44,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 107.0MB. Free memory was 81.7MB in the beginning and 81.7MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.37ms. Allocated memory is still 107.0MB. Free memory was 71.3MB in the beginning and 69.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.30ms. Allocated memory is still 107.0MB. Free memory was 69.2MB in the beginning and 66.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.58ms. Allocated memory is still 107.0MB. Free memory was 66.7MB in the beginning and 64.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 801.95ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 64.6MB in the beginning and 116.0MB in the end (delta: -51.4MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5586.07ms. Allocated memory was 144.7MB in the beginning and 474.0MB in the end (delta: 329.3MB). Free memory was 115.0MB in the beginning and 338.7MB in the end (delta: -223.8MB). Peak memory consumption was 107.6MB. Max. memory is 16.1GB. * Witness Printer took 93.21ms. Allocated memory is still 474.0MB. Free memory was 338.7MB in the beginning and 303.1MB in the end (delta: 35.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0] [L713] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L714] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0] [L715] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L717] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L719] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L720] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L721] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L722] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L723] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L724] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L725] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L726] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0] [L727] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L728] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L729] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L730] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L731] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L732] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L733] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L734] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L735] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L736] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L737] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L828] 0 pthread_t t2393; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2393={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L829] FCALL, FORK 0 pthread_create(&t2393, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2393, ((void *)0), P0, ((void *)0))=-2, t2393={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L830] 0 pthread_t t2394; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2393={5:0}, t2394={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L831] FCALL, FORK 0 pthread_create(&t2394, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2394, ((void *)0), P1, ((void *)0))=-1, t2393={5:0}, t2394={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L832] 0 pthread_t t2395; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2393={5:0}, t2394={6:0}, t2395={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L833] FCALL, FORK 0 pthread_create(&t2395, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2395, ((void *)0), P2, ((void *)0))=0, t2393={5:0}, t2394={6:0}, t2395={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L741] 1 y$w_buff1 = y$w_buff0 [L742] 1 y$w_buff0 = 1 [L743] 1 y$w_buff1_used = y$w_buff0_used [L744] 1 y$w_buff0_used = (_Bool)1 [L745] CALL 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L745] RET 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L746] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L747] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L748] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L749] 1 y$r_buff1_thd3 = y$r_buff0_thd3 [L750] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L753] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L770] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L787] 3 __unbuffered_p2_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L790] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L791] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L792] 3 y$flush_delayed = weak$$choice2 [L793] 3 y$mem_tmp = y [L794] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L794] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L795] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L795] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L796] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L796] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L797] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L797] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L798] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L798] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L799] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L799] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L800] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] 3 __unbuffered_p2_EBX = y [L802] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L802] 3 y = y$flush_delayed ? y$mem_tmp : y [L803] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=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$$choice0=66, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L756] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L756] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L757] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L757] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L758] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L758] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L759] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L759] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L760] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L760] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L773] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L773] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L774] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L774] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L775] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L775] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L776] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L776] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L777] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L777] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L806] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L806] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L806] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L806] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L807] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L807] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L808] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L808] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L809] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L809] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L810] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L810] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L763] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L780] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __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$$choice0=66, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L813] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __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$$choice0=66, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L835] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2393={5:0}, t2394={6:0}, t2395={3:0}, weak$$choice0=66, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L837] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L837] RET 0 assume_abort_if_not(main$tmp_guard0) [L839] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L839] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L839] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L839] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L840] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L840] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L841] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L841] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L842] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L842] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L843] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L843] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L846] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2393={5:0}, t2394={6:0}, t2395={3:0}, weak$$choice0=66, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L848] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$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: 829]: 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: 831]: 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: 833]: 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, 139 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 540 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 540 mSDsluCounter, 260 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 654 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 935 IncrementalHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 59 mSDtfsCounter, 935 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=641occurred in iteration=6, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 592 NumberOfCodeBlocks, 592 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 498 ConstructedInterpolants, 0 QuantifiedInterpolants, 2088 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2021-12-17 22:22:44,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE