./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix008.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix008.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/bin/uautomizer-IVEQpCNsaX --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 0e3ed0a0904abf0f880f0f4cc8dc485f79821c4ff1d089df229be68889497ed8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:57:14,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:57:14,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:57:14,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:57:14,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:57:14,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:57:14,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:57:14,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:57:14,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:57:14,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:57:14,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:57:14,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:57:14,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:57:14,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:57:14,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:57:14,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:57:14,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:57:14,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:57:14,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:57:14,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:57:14,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:57:14,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:57:14,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:57:14,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:57:14,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:57:14,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:57:14,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:57:14,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:57:14,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:57:14,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:57:14,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:57:14,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:57:14,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:57:14,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:57:14,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:57:14,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:57:14,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:57:14,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:57:14,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:57:14,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:57:14,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:57:14,783 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-09 08:57:14,815 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:57:14,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:57:14,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:57:14,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:57:14,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:57:14,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:57:14,817 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:57:14,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:57:14,818 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 08:57:14,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:57:14,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 08:57:14,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:57:14,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 08:57:14,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 08:57:14,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 08:57:14,819 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 08:57:14,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:57:14,819 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:57:14,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 08:57:14,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:57:14,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:57:14,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 08:57:14,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:57:14,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:57:14,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 08:57:14,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 08:57:14,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:57:14,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 08:57:14,822 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 08:57:14,822 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 08:57:14,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 08:57:14,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:57:14,823 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e3ed0a0904abf0f880f0f4cc8dc485f79821c4ff1d089df229be68889497ed8 [2021-11-09 08:57:15,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:57:15,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:57:15,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:57:15,136 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:57:15,137 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:57:15,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/pthread-wmm/mix008.opt.i [2021-11-09 08:57:15,226 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/bin/uautomizer-IVEQpCNsaX/data/3c57f374f/9234086a63db4178ad47cf3aafd321ef/FLAGd71ec25bc [2021-11-09 08:57:15,805 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:57:15,806 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/sv-benchmarks/c/pthread-wmm/mix008.opt.i [2021-11-09 08:57:15,823 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/bin/uautomizer-IVEQpCNsaX/data/3c57f374f/9234086a63db4178ad47cf3aafd321ef/FLAGd71ec25bc [2021-11-09 08:57:16,182 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/bin/uautomizer-IVEQpCNsaX/data/3c57f374f/9234086a63db4178ad47cf3aafd321ef [2021-11-09 08:57:16,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:57:16,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:57:16,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:57:16,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:57:16,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:57:16,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:57:16" (1/1) ... [2021-11-09 08:57:16,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e714174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:16, skipping insertion in model container [2021-11-09 08:57:16,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:57:16" (1/1) ... [2021-11-09 08:57:16,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:57:16,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:57:16,489 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/sv-benchmarks/c/pthread-wmm/mix008.opt.i[944,957] [2021-11-09 08:57:16,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:57:16,839 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:57:16,851 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/sv-benchmarks/c/pthread-wmm/mix008.opt.i[944,957] [2021-11-09 08:57:16,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:57:16,950 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:57:16,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:16 WrapperNode [2021-11-09 08:57:16,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:57:16,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:57:16,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:57:16,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:57:16,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:16" (1/1) ... [2021-11-09 08:57:16,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:16" (1/1) ... [2021-11-09 08:57:17,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:57:17,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:57:17,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:57:17,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:57:17,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:16" (1/1) ... [2021-11-09 08:57:17,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:16" (1/1) ... [2021-11-09 08:57:17,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:16" (1/1) ... [2021-11-09 08:57:17,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:16" (1/1) ... [2021-11-09 08:57:17,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:16" (1/1) ... [2021-11-09 08:57:17,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:16" (1/1) ... [2021-11-09 08:57:17,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:16" (1/1) ... [2021-11-09 08:57:17,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:57:17,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:57:17,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:57:17,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:57:17,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:16" (1/1) ... [2021-11-09 08:57:17,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:57:17,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:17,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:17,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 08:57:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 08:57:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-09 08:57:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:57:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 08:57:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-09 08:57:17,216 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-09 08:57:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-09 08:57:17,217 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-09 08:57:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-09 08:57:17,217 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-09 08:57:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-09 08:57:17,217 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-09 08:57:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 08:57:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-09 08:57:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:57:17,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:57:17,220 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-09 08:57:19,604 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:57:19,604 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-09 08:57:19,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:57:19 BoogieIcfgContainer [2021-11-09 08:57:19,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:57:19,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 08:57:19,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 08:57:19,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 08:57:19,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:57:16" (1/3) ... [2021-11-09 08:57:19,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1744e552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:57:19, skipping insertion in model container [2021-11-09 08:57:19,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:16" (2/3) ... [2021-11-09 08:57:19,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1744e552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:57:19, skipping insertion in model container [2021-11-09 08:57:19,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:57:19" (3/3) ... [2021-11-09 08:57:19,617 INFO L111 eAbstractionObserver]: Analyzing ICFG mix008.opt.i [2021-11-09 08:57:19,623 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-09 08:57:19,624 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 08:57:19,624 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-09 08:57:19,624 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-09 08:57:19,670 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,670 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,671 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,671 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,671 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,672 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,672 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,672 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,673 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,673 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,673 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,673 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,674 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,674 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,674 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,675 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,675 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,675 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,676 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,676 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,677 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,677 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,677 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,678 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,678 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,678 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,678 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,679 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,679 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,679 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,679 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,680 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,680 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,680 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,681 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,681 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,681 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,681 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,682 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,682 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,682 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,683 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,683 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,683 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,683 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,684 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,684 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,684 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,684 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,685 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,685 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,685 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,685 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,686 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,686 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,686 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,686 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,687 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,687 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,687 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,687 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,688 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,688 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,688 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,688 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,689 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,689 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,689 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,689 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,691 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,692 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,692 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,692 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,693 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,693 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,693 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,693 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,694 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,694 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,694 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,694 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,694 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,695 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,695 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,695 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,695 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,696 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,696 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,696 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,696 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,697 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,697 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,697 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,697 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,698 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,698 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,698 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,698 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,699 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,699 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,699 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,699 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,700 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,700 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,700 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,700 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,701 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,703 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,703 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,703 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,704 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,704 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,704 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,705 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,705 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,705 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,705 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,706 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,706 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,706 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,706 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,707 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,707 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,707 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,708 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,708 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,708 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,709 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,709 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,709 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,710 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,710 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,710 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,710 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,711 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,711 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,711 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,711 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,711 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,712 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,712 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,712 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,712 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,713 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,713 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,713 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,713 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,714 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,714 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,714 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,714 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,715 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,715 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,715 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,715 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,716 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,716 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,716 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,716 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,717 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,717 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,717 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,717 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,718 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,718 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,720 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,720 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,720 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,721 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,721 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,721 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,721 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,722 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,722 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,722 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,722 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,722 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,723 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,723 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,723 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,723 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,724 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,724 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,724 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,724 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,724 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,725 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,725 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,725 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,725 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,726 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,726 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,726 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,726 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,726 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,727 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,727 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,727 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,727 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,727 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,728 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,728 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,728 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,730 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,730 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,730 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,730 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,731 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,731 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,731 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,731 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,732 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,732 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,732 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,732 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,732 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,733 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,733 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,733 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,734 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,734 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,737 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,737 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,737 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,738 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,740 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,740 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,740 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,741 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,741 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,741 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,741 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,741 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,742 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,742 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,742 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,742 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,742 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,743 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,743 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,743 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,743 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,743 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,743 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,744 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,744 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,744 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,744 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,744 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,745 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,745 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,745 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,745 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,745 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,746 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,746 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,746 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,746 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,746 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,747 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,749 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,749 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,749 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,751 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,751 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,752 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,752 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,752 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,752 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,752 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,753 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,753 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,753 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,753 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,753 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,754 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,754 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,754 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,754 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,754 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,755 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,755 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,755 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,755 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,755 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,755 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,756 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,756 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,756 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,756 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,758 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-09 08:57:19,811 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 08:57:19,817 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 [2021-11-09 08:57:19,818 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-09 08:57:19,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 139 places, 128 transitions, 276 flow [2021-11-09 08:57:19,890 INFO L129 PetriNetUnfolder]: 2/124 cut-off events. [2021-11-09 08:57:19,890 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 08:57:19,895 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 124 events. 2/124 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 65 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 85. Up to 2 conditions per place. [2021-11-09 08:57:19,895 INFO L82 GeneralOperation]: Start removeDead. Operand has 139 places, 128 transitions, 276 flow [2021-11-09 08:57:19,901 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 135 places, 124 transitions, 260 flow [2021-11-09 08:57:19,921 INFO L129 PetriNetUnfolder]: 0/88 cut-off events. [2021-11-09 08:57:19,921 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 08:57:19,921 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:19,922 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] [2021-11-09 08:57:19,923 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-09 08:57:19,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:19,928 INFO L85 PathProgramCache]: Analyzing trace with hash -716547439, now seen corresponding path program 1 times [2021-11-09 08:57:19,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:19,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541790167] [2021-11-09 08:57:19,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:19,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:20,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:20,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:20,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541790167] [2021-11-09 08:57:20,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541790167] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:20,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:20,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 08:57:20,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662740915] [2021-11-09 08:57:20,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:57:20,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:20,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:57:20,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:57:20,384 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 128 [2021-11-09 08:57:20,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 124 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 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) [2021-11-09 08:57:20,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:20,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 128 [2021-11-09 08:57:20,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:20,500 INFO L129 PetriNetUnfolder]: 13/158 cut-off events. [2021-11-09 08:57:20,501 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 08:57:20,502 INFO L84 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 158 events. 13/158 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 281 event pairs, 1 based on Foata normal form. 8/158 useless extension candidates. Maximal degree in co-relation 147. Up to 25 conditions per place. [2021-11-09 08:57:20,504 INFO L132 encePairwiseOnDemand]: 123/128 looper letters, 6 selfloop transitions, 2 changer transitions 0/122 dead transitions. [2021-11-09 08:57:20,504 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 122 transitions, 272 flow [2021-11-09 08:57:20,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:57:20,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-09 08:57:20,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-11-09 08:57:20,519 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9557291666666666 [2021-11-09 08:57:20,520 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-11-09 08:57:20,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-11-09 08:57:20,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:20,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-11-09 08:57:20,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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) [2021-11-09 08:57:20,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 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) [2021-11-09 08:57:20,537 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 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) [2021-11-09 08:57:20,539 INFO L186 Difference]: Start difference. First operand has 135 places, 124 transitions, 260 flow. Second operand 3 states and 367 transitions. [2021-11-09 08:57:20,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 122 transitions, 272 flow [2021-11-09 08:57:20,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 122 transitions, 268 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-09 08:57:20,548 INFO L242 Difference]: Finished difference. Result has 131 places, 120 transitions, 252 flow [2021-11-09 08:57:20,550 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=131, PETRI_TRANSITIONS=120} [2021-11-09 08:57:20,551 INFO L334 CegarLoopForPetriNet]: 135 programPoint places, -4 predicate places. [2021-11-09 08:57:20,552 INFO L470 AbstractCegarLoop]: Abstraction has has 131 places, 120 transitions, 252 flow [2021-11-09 08:57:20,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 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) [2021-11-09 08:57:20,552 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:20,553 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] [2021-11-09 08:57:20,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 08:57:20,553 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-09 08:57:20,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:20,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1198426961, now seen corresponding path program 1 times [2021-11-09 08:57:20,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:20,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726435754] [2021-11-09 08:57:20,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:20,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:20,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:20,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:20,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726435754] [2021-11-09 08:57:20,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726435754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:20,922 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:20,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-09 08:57:20,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767023247] [2021-11-09 08:57:20,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-09 08:57:20,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:20,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-09 08:57:20,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-09 08:57:20,930 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 128 [2021-11-09 08:57:20,931 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 120 transitions, 252 flow. Second operand has 7 states, 7 states have (on average 105.71428571428571) internal successors, (740), 7 states have internal predecessors, (740), 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) [2021-11-09 08:57:20,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:20,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 128 [2021-11-09 08:57:20,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:22,720 INFO L129 PetriNetUnfolder]: 2397/6492 cut-off events. [2021-11-09 08:57:22,720 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 08:57:22,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10012 conditions, 6492 events. 2397/6492 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 62946 event pairs, 167 based on Foata normal form. 0/6335 useless extension candidates. Maximal degree in co-relation 9954. Up to 1182 conditions per place. [2021-11-09 08:57:22,792 INFO L132 encePairwiseOnDemand]: 113/128 looper letters, 26 selfloop transitions, 11 changer transitions 90/215 dead transitions. [2021-11-09 08:57:22,792 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 215 transitions, 674 flow [2021-11-09 08:57:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-09 08:57:22,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-09 08:57:22,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1471 transitions. [2021-11-09 08:57:22,803 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8840144230769231 [2021-11-09 08:57:22,803 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1471 transitions. [2021-11-09 08:57:22,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1471 transitions. [2021-11-09 08:57:22,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:22,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1471 transitions. [2021-11-09 08:57:22,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 113.15384615384616) internal successors, (1471), 13 states have internal predecessors, (1471), 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) [2021-11-09 08:57:22,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2021-11-09 08:57:22,821 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2021-11-09 08:57:22,821 INFO L186 Difference]: Start difference. First operand has 131 places, 120 transitions, 252 flow. Second operand 13 states and 1471 transitions. [2021-11-09 08:57:22,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 215 transitions, 674 flow [2021-11-09 08:57:22,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 215 transitions, 670 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-09 08:57:22,832 INFO L242 Difference]: Finished difference. Result has 153 places, 115 transitions, 360 flow [2021-11-09 08:57:22,833 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=360, PETRI_PLACES=153, PETRI_TRANSITIONS=115} [2021-11-09 08:57:22,833 INFO L334 CegarLoopForPetriNet]: 135 programPoint places, 18 predicate places. [2021-11-09 08:57:22,834 INFO L470 AbstractCegarLoop]: Abstraction has has 153 places, 115 transitions, 360 flow [2021-11-09 08:57:22,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 105.71428571428571) internal successors, (740), 7 states have internal predecessors, (740), 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) [2021-11-09 08:57:22,835 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:22,835 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] [2021-11-09 08:57:22,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 08:57:22,836 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-09 08:57:22,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:22,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1103900309, now seen corresponding path program 1 times [2021-11-09 08:57:22,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:22,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220497323] [2021-11-09 08:57:22,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:22,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:23,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:23,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:23,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220497323] [2021-11-09 08:57:23,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220497323] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:23,162 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:23,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-09 08:57:23,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536123798] [2021-11-09 08:57:23,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-09 08:57:23,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:23,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-09 08:57:23,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-09 08:57:23,168 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 128 [2021-11-09 08:57:23,169 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 115 transitions, 360 flow. Second operand has 7 states, 7 states have (on average 105.85714285714286) internal successors, (741), 7 states have internal predecessors, (741), 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) [2021-11-09 08:57:23,169 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:23,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 128 [2021-11-09 08:57:23,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:24,319 INFO L129 PetriNetUnfolder]: 1473/3567 cut-off events. [2021-11-09 08:57:24,319 INFO L130 PetriNetUnfolder]: For 7122/10044 co-relation queries the response was YES. [2021-11-09 08:57:24,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12092 conditions, 3567 events. 1473/3567 cut-off events. For 7122/10044 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 29557 event pairs, 249 based on Foata normal form. 79/3591 useless extension candidates. Maximal degree in co-relation 12018. Up to 1176 conditions per place. [2021-11-09 08:57:24,377 INFO L132 encePairwiseOnDemand]: 110/128 looper letters, 25 selfloop transitions, 24 changer transitions 79/216 dead transitions. [2021-11-09 08:57:24,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 216 transitions, 1400 flow [2021-11-09 08:57:24,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-09 08:57:24,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-09 08:57:24,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1460 transitions. [2021-11-09 08:57:24,383 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8774038461538461 [2021-11-09 08:57:24,384 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1460 transitions. [2021-11-09 08:57:24,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1460 transitions. [2021-11-09 08:57:24,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:24,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1460 transitions. [2021-11-09 08:57:24,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 112.3076923076923) internal successors, (1460), 13 states have internal predecessors, (1460), 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) [2021-11-09 08:57:24,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2021-11-09 08:57:24,398 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2021-11-09 08:57:24,398 INFO L186 Difference]: Start difference. First operand has 153 places, 115 transitions, 360 flow. Second operand 13 states and 1460 transitions. [2021-11-09 08:57:24,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 216 transitions, 1400 flow [2021-11-09 08:57:24,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 216 transitions, 1372 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-11-09 08:57:24,439 INFO L242 Difference]: Finished difference. Result has 152 places, 129 transitions, 621 flow [2021-11-09 08:57:24,439 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=621, PETRI_PLACES=152, PETRI_TRANSITIONS=129} [2021-11-09 08:57:24,440 INFO L334 CegarLoopForPetriNet]: 135 programPoint places, 17 predicate places. [2021-11-09 08:57:24,440 INFO L470 AbstractCegarLoop]: Abstraction has has 152 places, 129 transitions, 621 flow [2021-11-09 08:57:24,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 105.85714285714286) internal successors, (741), 7 states have internal predecessors, (741), 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) [2021-11-09 08:57:24,441 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:24,441 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] [2021-11-09 08:57:24,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 08:57:24,441 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-09 08:57:24,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:24,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1105716754, now seen corresponding path program 1 times [2021-11-09 08:57:24,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:24,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708558502] [2021-11-09 08:57:24,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:24,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:24,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:24,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:24,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708558502] [2021-11-09 08:57:24,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708558502] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:24,745 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:24,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-09 08:57:24,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132997219] [2021-11-09 08:57:24,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-09 08:57:24,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:24,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-09 08:57:24,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-09 08:57:24,748 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 128 [2021-11-09 08:57:24,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 129 transitions, 621 flow. Second operand has 7 states, 7 states have (on average 106.0) internal successors, (742), 7 states have internal predecessors, (742), 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) [2021-11-09 08:57:24,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:24,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 128 [2021-11-09 08:57:24,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:25,609 INFO L129 PetriNetUnfolder]: 1062/2574 cut-off events. [2021-11-09 08:57:25,609 INFO L130 PetriNetUnfolder]: For 10983/15255 co-relation queries the response was YES. [2021-11-09 08:57:25,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11139 conditions, 2574 events. 1062/2574 cut-off events. For 10983/15255 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 19534 event pairs, 85 based on Foata normal form. 69/2596 useless extension candidates. Maximal degree in co-relation 11045. Up to 851 conditions per place. [2021-11-09 08:57:25,743 INFO L132 encePairwiseOnDemand]: 116/128 looper letters, 44 selfloop transitions, 14 changer transitions 76/222 dead transitions. [2021-11-09 08:57:25,743 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 222 transitions, 1871 flow [2021-11-09 08:57:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-09 08:57:25,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-09 08:57:25,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1448 transitions. [2021-11-09 08:57:25,750 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8701923076923077 [2021-11-09 08:57:25,750 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1448 transitions. [2021-11-09 08:57:25,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1448 transitions. [2021-11-09 08:57:25,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:25,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1448 transitions. [2021-11-09 08:57:25,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 111.38461538461539) internal successors, (1448), 13 states have internal predecessors, (1448), 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) [2021-11-09 08:57:25,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2021-11-09 08:57:25,764 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2021-11-09 08:57:25,764 INFO L186 Difference]: Start difference. First operand has 152 places, 129 transitions, 621 flow. Second operand 13 states and 1448 transitions. [2021-11-09 08:57:25,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 222 transitions, 1871 flow [2021-11-09 08:57:25,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 222 transitions, 1799 flow, removed 36 selfloop flow, removed 3 redundant places. [2021-11-09 08:57:25,807 INFO L242 Difference]: Finished difference. Result has 164 places, 137 transitions, 810 flow [2021-11-09 08:57:25,807 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=603, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=810, PETRI_PLACES=164, PETRI_TRANSITIONS=137} [2021-11-09 08:57:25,807 INFO L334 CegarLoopForPetriNet]: 135 programPoint places, 29 predicate places. [2021-11-09 08:57:25,808 INFO L470 AbstractCegarLoop]: Abstraction has has 164 places, 137 transitions, 810 flow [2021-11-09 08:57:25,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 106.0) internal successors, (742), 7 states have internal predecessors, (742), 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) [2021-11-09 08:57:25,808 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:25,809 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] [2021-11-09 08:57:25,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 08:57:25,809 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-09 08:57:25,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:25,810 INFO L85 PathProgramCache]: Analyzing trace with hash 2031831114, now seen corresponding path program 1 times [2021-11-09 08:57:25,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:25,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510677108] [2021-11-09 08:57:25,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:25,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:25,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:25,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:25,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510677108] [2021-11-09 08:57:25,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510677108] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:25,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:25,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-09 08:57:25,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382700520] [2021-11-09 08:57:25,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-09 08:57:25,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:25,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-09 08:57:25,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-09 08:57:25,990 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 128 [2021-11-09 08:57:25,991 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 137 transitions, 810 flow. Second operand has 7 states, 7 states have (on average 106.14285714285714) internal successors, (743), 7 states have internal predecessors, (743), 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) [2021-11-09 08:57:25,991 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:25,991 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 128 [2021-11-09 08:57:25,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:26,729 INFO L129 PetriNetUnfolder]: 709/1896 cut-off events. [2021-11-09 08:57:26,729 INFO L130 PetriNetUnfolder]: For 10947/16673 co-relation queries the response was YES. [2021-11-09 08:57:26,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8771 conditions, 1896 events. 709/1896 cut-off events. For 10947/16673 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 13850 event pairs, 130 based on Foata normal form. 44/1903 useless extension candidates. Maximal degree in co-relation 8707. Up to 548 conditions per place. [2021-11-09 08:57:26,771 INFO L132 encePairwiseOnDemand]: 111/128 looper letters, 26 selfloop transitions, 44 changer transitions 52/210 dead transitions. [2021-11-09 08:57:26,771 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 210 transitions, 1930 flow [2021-11-09 08:57:26,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-09 08:57:26,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-09 08:57:26,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1446 transitions. [2021-11-09 08:57:26,779 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8689903846153846 [2021-11-09 08:57:26,780 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1446 transitions. [2021-11-09 08:57:26,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1446 transitions. [2021-11-09 08:57:26,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:26,782 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1446 transitions. [2021-11-09 08:57:26,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 111.23076923076923) internal successors, (1446), 13 states have internal predecessors, (1446), 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) [2021-11-09 08:57:26,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2021-11-09 08:57:26,792 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2021-11-09 08:57:26,792 INFO L186 Difference]: Start difference. First operand has 164 places, 137 transitions, 810 flow. Second operand 13 states and 1446 transitions. [2021-11-09 08:57:26,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 210 transitions, 1930 flow [2021-11-09 08:57:26,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 210 transitions, 1817 flow, removed 50 selfloop flow, removed 11 redundant places. [2021-11-09 08:57:26,839 INFO L242 Difference]: Finished difference. Result has 168 places, 149 transitions, 1124 flow [2021-11-09 08:57:26,840 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=763, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1124, PETRI_PLACES=168, PETRI_TRANSITIONS=149} [2021-11-09 08:57:26,840 INFO L334 CegarLoopForPetriNet]: 135 programPoint places, 33 predicate places. [2021-11-09 08:57:26,840 INFO L470 AbstractCegarLoop]: Abstraction has has 168 places, 149 transitions, 1124 flow [2021-11-09 08:57:26,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 106.14285714285714) internal successors, (743), 7 states have internal predecessors, (743), 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) [2021-11-09 08:57:26,841 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:26,841 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, 1] [2021-11-09 08:57:26,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-09 08:57:26,842 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-09 08:57:26,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:26,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1519497397, now seen corresponding path program 1 times [2021-11-09 08:57:26,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:26,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301370575] [2021-11-09 08:57:26,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:26,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:26,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:26,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:26,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301370575] [2021-11-09 08:57:26,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301370575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:26,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:26,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-09 08:57:26,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406830184] [2021-11-09 08:57:26,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 08:57:26,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:26,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 08:57:26,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-09 08:57:26,988 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 128 [2021-11-09 08:57:26,989 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 149 transitions, 1124 flow. Second operand has 6 states, 6 states have (on average 114.16666666666667) internal successors, (685), 6 states have internal predecessors, (685), 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) [2021-11-09 08:57:26,989 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:26,989 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 128 [2021-11-09 08:57:26,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:28,603 INFO L129 PetriNetUnfolder]: 3377/7944 cut-off events. [2021-11-09 08:57:28,603 INFO L130 PetriNetUnfolder]: For 10998/14075 co-relation queries the response was YES. [2021-11-09 08:57:28,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18170 conditions, 7944 events. 3377/7944 cut-off events. For 10998/14075 co-relation queries the response was YES. Maximal size of possible extension queue 1089. Compared 83122 event pairs, 632 based on Foata normal form. 227/7184 useless extension candidates. Maximal degree in co-relation 18059. Up to 2170 conditions per place. [2021-11-09 08:57:28,957 INFO L132 encePairwiseOnDemand]: 117/128 looper letters, 29 selfloop transitions, 20 changer transitions 0/186 dead transitions. [2021-11-09 08:57:28,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 186 transitions, 1296 flow [2021-11-09 08:57:28,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-09 08:57:28,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-09 08:57:28,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1181 transitions. [2021-11-09 08:57:28,962 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.92265625 [2021-11-09 08:57:28,962 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1181 transitions. [2021-11-09 08:57:28,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1181 transitions. [2021-11-09 08:57:28,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:28,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1181 transitions. [2021-11-09 08:57:28,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 118.1) internal successors, (1181), 10 states have internal predecessors, (1181), 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) [2021-11-09 08:57:28,986 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 128.0) internal successors, (1408), 11 states have internal predecessors, (1408), 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) [2021-11-09 08:57:28,987 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 128.0) internal successors, (1408), 11 states have internal predecessors, (1408), 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) [2021-11-09 08:57:28,987 INFO L186 Difference]: Start difference. First operand has 168 places, 149 transitions, 1124 flow. Second operand 10 states and 1181 transitions. [2021-11-09 08:57:28,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 186 transitions, 1296 flow [2021-11-09 08:57:29,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 186 transitions, 1228 flow, removed 34 selfloop flow, removed 15 redundant places. [2021-11-09 08:57:29,154 INFO L242 Difference]: Finished difference. Result has 159 places, 167 transitions, 1199 flow [2021-11-09 08:57:29,155 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=1056, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1199, PETRI_PLACES=159, PETRI_TRANSITIONS=167} [2021-11-09 08:57:29,155 INFO L334 CegarLoopForPetriNet]: 135 programPoint places, 24 predicate places. [2021-11-09 08:57:29,155 INFO L470 AbstractCegarLoop]: Abstraction has has 159 places, 167 transitions, 1199 flow [2021-11-09 08:57:29,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.16666666666667) internal successors, (685), 6 states have internal predecessors, (685), 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) [2021-11-09 08:57:29,156 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:29,156 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, 1, 1, 1] [2021-11-09 08:57:29,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-09 08:57:29,157 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-09 08:57:29,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:29,157 INFO L85 PathProgramCache]: Analyzing trace with hash 78548814, now seen corresponding path program 1 times [2021-11-09 08:57:29,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:29,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998186782] [2021-11-09 08:57:29,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:29,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:29,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:29,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:29,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998186782] [2021-11-09 08:57:29,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998186782] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:29,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:29,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-09 08:57:29,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678702183] [2021-11-09 08:57:29,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-09 08:57:29,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:29,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-09 08:57:29,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-09 08:57:29,324 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 128 [2021-11-09 08:57:29,325 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 167 transitions, 1199 flow. Second operand has 7 states, 7 states have (on average 106.28571428571429) internal successors, (744), 7 states have internal predecessors, (744), 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) [2021-11-09 08:57:29,325 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:29,325 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 128 [2021-11-09 08:57:29,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:31,167 INFO L129 PetriNetUnfolder]: 2206/7803 cut-off events. [2021-11-09 08:57:31,167 INFO L130 PetriNetUnfolder]: For 20543/31467 co-relation queries the response was YES. [2021-11-09 08:57:31,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25571 conditions, 7803 events. 2206/7803 cut-off events. For 20543/31467 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 92951 event pairs, 692 based on Foata normal form. 260/7377 useless extension candidates. Maximal degree in co-relation 25461. Up to 2284 conditions per place. [2021-11-09 08:57:31,401 INFO L132 encePairwiseOnDemand]: 111/128 looper letters, 73 selfloop transitions, 63 changer transitions 0/242 dead transitions. [2021-11-09 08:57:31,402 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 242 transitions, 2439 flow [2021-11-09 08:57:31,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-09 08:57:31,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-09 08:57:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1434 transitions. [2021-11-09 08:57:31,408 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8617788461538461 [2021-11-09 08:57:31,408 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1434 transitions. [2021-11-09 08:57:31,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1434 transitions. [2021-11-09 08:57:31,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:31,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1434 transitions. [2021-11-09 08:57:31,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 110.3076923076923) internal successors, (1434), 13 states have internal predecessors, (1434), 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) [2021-11-09 08:57:31,419 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2021-11-09 08:57:31,420 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2021-11-09 08:57:31,420 INFO L186 Difference]: Start difference. First operand has 159 places, 167 transitions, 1199 flow. Second operand 13 states and 1434 transitions. [2021-11-09 08:57:31,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 242 transitions, 2439 flow [2021-11-09 08:57:31,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 242 transitions, 2437 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-09 08:57:31,554 INFO L242 Difference]: Finished difference. Result has 182 places, 204 transitions, 2078 flow [2021-11-09 08:57:31,554 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=1197, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2078, PETRI_PLACES=182, PETRI_TRANSITIONS=204} [2021-11-09 08:57:31,555 INFO L334 CegarLoopForPetriNet]: 135 programPoint places, 47 predicate places. [2021-11-09 08:57:31,555 INFO L470 AbstractCegarLoop]: Abstraction has has 182 places, 204 transitions, 2078 flow [2021-11-09 08:57:31,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 106.28571428571429) internal successors, (744), 7 states have internal predecessors, (744), 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) [2021-11-09 08:57:31,555 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:31,556 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, 1, 1, 1] [2021-11-09 08:57:31,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-09 08:57:31,556 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-09 08:57:31,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:31,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1448084528, now seen corresponding path program 1 times [2021-11-09 08:57:31,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:31,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270073900] [2021-11-09 08:57:31,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:31,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:31,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:31,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:31,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270073900] [2021-11-09 08:57:31,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270073900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:31,733 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:31,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-09 08:57:31,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836250606] [2021-11-09 08:57:31,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-09 08:57:31,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:31,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-09 08:57:31,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-09 08:57:31,737 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 128 [2021-11-09 08:57:31,739 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 204 transitions, 2078 flow. Second operand has 7 states, 7 states have (on average 114.14285714285714) internal successors, (799), 7 states have internal predecessors, (799), 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) [2021-11-09 08:57:31,739 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:31,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 128 [2021-11-09 08:57:31,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:34,254 INFO L129 PetriNetUnfolder]: 5127/11956 cut-off events. [2021-11-09 08:57:34,254 INFO L130 PetriNetUnfolder]: For 44429/68799 co-relation queries the response was YES. [2021-11-09 08:57:34,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45366 conditions, 11956 events. 5127/11956 cut-off events. For 44429/68799 co-relation queries the response was YES. Maximal size of possible extension queue 1721. Compared 135090 event pairs, 164 based on Foata normal form. 1802/12547 useless extension candidates. Maximal degree in co-relation 45240. Up to 5245 conditions per place. [2021-11-09 08:57:34,463 INFO L132 encePairwiseOnDemand]: 117/128 looper letters, 34 selfloop transitions, 38 changer transitions 6/246 dead transitions. [2021-11-09 08:57:34,463 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 246 transitions, 2502 flow [2021-11-09 08:57:34,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-09 08:57:34,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-09 08:57:34,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1537 transitions. [2021-11-09 08:57:34,470 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9236778846153846 [2021-11-09 08:57:34,470 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1537 transitions. [2021-11-09 08:57:34,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1537 transitions. [2021-11-09 08:57:34,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:34,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1537 transitions. [2021-11-09 08:57:34,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 118.23076923076923) internal successors, (1537), 13 states have internal predecessors, (1537), 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) [2021-11-09 08:57:34,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2021-11-09 08:57:34,482 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2021-11-09 08:57:34,482 INFO L186 Difference]: Start difference. First operand has 182 places, 204 transitions, 2078 flow. Second operand 13 states and 1537 transitions. [2021-11-09 08:57:34,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 246 transitions, 2502 flow [2021-11-09 08:57:34,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 246 transitions, 2478 flow, removed 12 selfloop flow, removed 0 redundant places. [2021-11-09 08:57:34,751 INFO L242 Difference]: Finished difference. Result has 200 places, 218 transitions, 2215 flow [2021-11-09 08:57:34,751 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=2054, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2215, PETRI_PLACES=200, PETRI_TRANSITIONS=218} [2021-11-09 08:57:34,752 INFO L334 CegarLoopForPetriNet]: 135 programPoint places, 65 predicate places. [2021-11-09 08:57:34,752 INFO L470 AbstractCegarLoop]: Abstraction has has 200 places, 218 transitions, 2215 flow [2021-11-09 08:57:34,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 114.14285714285714) internal successors, (799), 7 states have internal predecessors, (799), 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) [2021-11-09 08:57:34,753 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:34,753 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, 1, 1, 1, 1, 1] [2021-11-09 08:57:34,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-09 08:57:34,753 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-09 08:57:34,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:34,754 INFO L85 PathProgramCache]: Analyzing trace with hash 382802721, now seen corresponding path program 1 times [2021-11-09 08:57:34,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:34,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199254946] [2021-11-09 08:57:34,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:34,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:35,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:35,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199254946] [2021-11-09 08:57:35,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199254946] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:35,039 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:35,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-09 08:57:35,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976006739] [2021-11-09 08:57:35,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-09 08:57:35,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:35,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-09 08:57:35,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-09 08:57:35,042 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 128 [2021-11-09 08:57:35,043 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 218 transitions, 2215 flow. Second operand has 8 states, 8 states have (on average 114.125) internal successors, (913), 8 states have internal predecessors, (913), 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) [2021-11-09 08:57:35,043 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:35,043 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 128 [2021-11-09 08:57:35,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:37,505 INFO L129 PetriNetUnfolder]: 4879/11694 cut-off events. [2021-11-09 08:57:37,505 INFO L130 PetriNetUnfolder]: For 87752/123687 co-relation queries the response was YES. [2021-11-09 08:57:37,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58376 conditions, 11694 events. 4879/11694 cut-off events. For 87752/123687 co-relation queries the response was YES. Maximal size of possible extension queue 1715. Compared 135130 event pairs, 50 based on Foata normal form. 2417/12920 useless extension candidates. Maximal degree in co-relation 58241. Up to 5020 conditions per place. [2021-11-09 08:57:37,740 INFO L132 encePairwiseOnDemand]: 117/128 looper letters, 28 selfloop transitions, 58 changer transitions 25/266 dead transitions. [2021-11-09 08:57:37,741 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 266 transitions, 2917 flow [2021-11-09 08:57:37,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-09 08:57:37,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-11-09 08:57:37,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1893 transitions. [2021-11-09 08:57:37,749 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.92431640625 [2021-11-09 08:57:37,749 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1893 transitions. [2021-11-09 08:57:37,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1893 transitions. [2021-11-09 08:57:37,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:37,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1893 transitions. [2021-11-09 08:57:37,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 118.3125) internal successors, (1893), 16 states have internal predecessors, (1893), 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) [2021-11-09 08:57:37,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 128.0) internal successors, (2176), 17 states have internal predecessors, (2176), 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) [2021-11-09 08:57:37,768 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 128.0) internal successors, (2176), 17 states have internal predecessors, (2176), 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) [2021-11-09 08:57:37,768 INFO L186 Difference]: Start difference. First operand has 200 places, 218 transitions, 2215 flow. Second operand 16 states and 1893 transitions. [2021-11-09 08:57:37,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 266 transitions, 2917 flow [2021-11-09 08:57:39,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 266 transitions, 2791 flow, removed 49 selfloop flow, removed 5 redundant places. [2021-11-09 08:57:39,566 INFO L242 Difference]: Finished difference. Result has 214 places, 231 transitions, 2386 flow [2021-11-09 08:57:39,567 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=2097, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2386, PETRI_PLACES=214, PETRI_TRANSITIONS=231} [2021-11-09 08:57:39,567 INFO L334 CegarLoopForPetriNet]: 135 programPoint places, 79 predicate places. [2021-11-09 08:57:39,567 INFO L470 AbstractCegarLoop]: Abstraction has has 214 places, 231 transitions, 2386 flow [2021-11-09 08:57:39,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 114.125) internal successors, (913), 8 states have internal predecessors, (913), 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) [2021-11-09 08:57:39,568 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:39,568 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:57:39,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-09 08:57:39,569 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-09 08:57:39,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:39,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1568196845, now seen corresponding path program 1 times [2021-11-09 08:57:39,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:39,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307530228] [2021-11-09 08:57:39,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:39,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:39,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:39,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307530228] [2021-11-09 08:57:39,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307530228] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:39,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:39,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-09 08:57:39,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042571697] [2021-11-09 08:57:39,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 08:57:39,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:39,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 08:57:39,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-09 08:57:39,743 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 128 [2021-11-09 08:57:39,745 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 231 transitions, 2386 flow. Second operand has 9 states, 9 states have (on average 114.11111111111111) internal successors, (1027), 9 states have internal predecessors, (1027), 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) [2021-11-09 08:57:39,745 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:39,745 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 128 [2021-11-09 08:57:39,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:42,096 INFO L129 PetriNetUnfolder]: 4631/11311 cut-off events. [2021-11-09 08:57:42,096 INFO L130 PetriNetUnfolder]: For 85177/114487 co-relation queries the response was YES. [2021-11-09 08:57:42,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55729 conditions, 11311 events. 4631/11311 cut-off events. For 85177/114487 co-relation queries the response was YES. Maximal size of possible extension queue 1715. Compared 132713 event pairs, 36 based on Foata normal form. 2072/12194 useless extension candidates. Maximal degree in co-relation 55677. Up to 3137 conditions per place. [2021-11-09 08:57:42,271 INFO L132 encePairwiseOnDemand]: 117/128 looper letters, 22 selfloop transitions, 63 changer transitions 43/266 dead transitions. [2021-11-09 08:57:42,271 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 266 transitions, 2919 flow [2021-11-09 08:57:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-09 08:57:42,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-11-09 08:57:42,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2229 transitions. [2021-11-09 08:57:42,286 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9165296052631579 [2021-11-09 08:57:42,286 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2229 transitions. [2021-11-09 08:57:42,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2229 transitions. [2021-11-09 08:57:42,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:42,288 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2229 transitions. [2021-11-09 08:57:42,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 117.3157894736842) internal successors, (2229), 19 states have internal predecessors, (2229), 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) [2021-11-09 08:57:42,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 128.0) internal successors, (2560), 20 states have internal predecessors, (2560), 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) [2021-11-09 08:57:42,305 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 128.0) internal successors, (2560), 20 states have internal predecessors, (2560), 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) [2021-11-09 08:57:42,305 INFO L186 Difference]: Start difference. First operand has 214 places, 231 transitions, 2386 flow. Second operand 19 states and 2229 transitions. [2021-11-09 08:57:42,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 266 transitions, 2919 flow [2021-11-09 08:57:47,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 266 transitions, 2340 flow, removed 240 selfloop flow, removed 24 redundant places. [2021-11-09 08:57:47,065 INFO L242 Difference]: Finished difference. Result has 206 places, 213 transitions, 1785 flow [2021-11-09 08:57:47,065 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=1879, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1785, PETRI_PLACES=206, PETRI_TRANSITIONS=213} [2021-11-09 08:57:47,066 INFO L334 CegarLoopForPetriNet]: 135 programPoint places, 71 predicate places. [2021-11-09 08:57:47,066 INFO L470 AbstractCegarLoop]: Abstraction has has 206 places, 213 transitions, 1785 flow [2021-11-09 08:57:47,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 114.11111111111111) internal successors, (1027), 9 states have internal predecessors, (1027), 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) [2021-11-09 08:57:47,067 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:47,067 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:57:47,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-09 08:57:47,067 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-09 08:57:47,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:47,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1595892861, now seen corresponding path program 1 times [2021-11-09 08:57:47,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:47,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875654890] [2021-11-09 08:57:47,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:47,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:47,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:47,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875654890] [2021-11-09 08:57:47,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875654890] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:47,239 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:47,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-09 08:57:47,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140191780] [2021-11-09 08:57:47,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-09 08:57:47,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:47,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-09 08:57:47,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-09 08:57:47,242 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 128 [2021-11-09 08:57:47,243 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 213 transitions, 1785 flow. Second operand has 7 states, 7 states have (on average 105.14285714285714) internal successors, (736), 7 states have internal predecessors, (736), 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) [2021-11-09 08:57:47,244 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:47,244 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 128 [2021-11-09 08:57:47,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:48,432 INFO L129 PetriNetUnfolder]: 2121/6786 cut-off events. [2021-11-09 08:57:48,432 INFO L130 PetriNetUnfolder]: For 19842/28978 co-relation queries the response was YES. [2021-11-09 08:57:48,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23937 conditions, 6786 events. 2121/6786 cut-off events. For 19842/28978 co-relation queries the response was YES. Maximal size of possible extension queue 909. Compared 81794 event pairs, 37 based on Foata normal form. 28/6335 useless extension candidates. Maximal degree in co-relation 23901. Up to 733 conditions per place. [2021-11-09 08:57:48,519 INFO L132 encePairwiseOnDemand]: 110/128 looper letters, 34 selfloop transitions, 66 changer transitions 4/253 dead transitions. [2021-11-09 08:57:48,519 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 253 transitions, 2603 flow [2021-11-09 08:57:48,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-09 08:57:48,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-09 08:57:48,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 864 transitions. [2021-11-09 08:57:48,522 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.84375 [2021-11-09 08:57:48,522 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 864 transitions. [2021-11-09 08:57:48,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 864 transitions. [2021-11-09 08:57:48,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:48,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 864 transitions. [2021-11-09 08:57:48,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 108.0) internal successors, (864), 8 states have internal predecessors, (864), 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) [2021-11-09 08:57:48,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 128.0) internal successors, (1152), 9 states have internal predecessors, (1152), 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) [2021-11-09 08:57:48,528 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 128.0) internal successors, (1152), 9 states have internal predecessors, (1152), 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) [2021-11-09 08:57:48,528 INFO L186 Difference]: Start difference. First operand has 206 places, 213 transitions, 1785 flow. Second operand 8 states and 864 transitions. [2021-11-09 08:57:48,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 253 transitions, 2603 flow [2021-11-09 08:57:49,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 253 transitions, 2247 flow, removed 63 selfloop flow, removed 20 redundant places. [2021-11-09 08:57:49,149 INFO L242 Difference]: Finished difference. Result has 196 places, 243 transitions, 2258 flow [2021-11-09 08:57:49,150 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=1549, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2258, PETRI_PLACES=196, PETRI_TRANSITIONS=243} [2021-11-09 08:57:49,150 INFO L334 CegarLoopForPetriNet]: 135 programPoint places, 61 predicate places. [2021-11-09 08:57:49,150 INFO L470 AbstractCegarLoop]: Abstraction has has 196 places, 243 transitions, 2258 flow [2021-11-09 08:57:49,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 105.14285714285714) internal successors, (736), 7 states have internal predecessors, (736), 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) [2021-11-09 08:57:49,152 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:49,152 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:57:49,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-09 08:57:49,152 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-09 08:57:49,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:49,153 INFO L85 PathProgramCache]: Analyzing trace with hash 735443215, now seen corresponding path program 2 times [2021-11-09 08:57:49,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:49,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425249850] [2021-11-09 08:57:49,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:49,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:49,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:49,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:49,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425249850] [2021-11-09 08:57:49,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425249850] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:49,367 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:49,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-09 08:57:49,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704350640] [2021-11-09 08:57:49,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-09 08:57:49,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:49,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-09 08:57:49,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-09 08:57:49,370 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 128 [2021-11-09 08:57:49,371 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 243 transitions, 2258 flow. Second operand has 8 states, 8 states have (on average 104.75) internal successors, (838), 8 states have internal predecessors, (838), 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) [2021-11-09 08:57:49,371 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:49,372 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 128 [2021-11-09 08:57:49,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:50,733 INFO L129 PetriNetUnfolder]: 2858/9039 cut-off events. [2021-11-09 08:57:50,734 INFO L130 PetriNetUnfolder]: For 19380/33002 co-relation queries the response was YES. [2021-11-09 08:57:50,820 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28202 conditions, 9039 events. 2858/9039 cut-off events. For 19380/33002 co-relation queries the response was YES. Maximal size of possible extension queue 1144. Compared 114051 event pairs, 35 based on Foata normal form. 48/8541 useless extension candidates. Maximal degree in co-relation 28167. Up to 956 conditions per place. [2021-11-09 08:57:50,833 INFO L132 encePairwiseOnDemand]: 110/128 looper letters, 34 selfloop transitions, 41 changer transitions 48/272 dead transitions. [2021-11-09 08:57:50,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 272 transitions, 2932 flow [2021-11-09 08:57:50,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-09 08:57:50,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-09 08:57:50,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 971 transitions. [2021-11-09 08:57:50,836 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8428819444444444 [2021-11-09 08:57:50,836 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 971 transitions. [2021-11-09 08:57:50,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 971 transitions. [2021-11-09 08:57:50,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:50,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 971 transitions. [2021-11-09 08:57:50,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 107.88888888888889) internal successors, (971), 9 states have internal predecessors, (971), 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) [2021-11-09 08:57:50,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 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) [2021-11-09 08:57:50,842 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 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) [2021-11-09 08:57:50,842 INFO L186 Difference]: Start difference. First operand has 196 places, 243 transitions, 2258 flow. Second operand 9 states and 971 transitions. [2021-11-09 08:57:50,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 272 transitions, 2932 flow [2021-11-09 08:57:52,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 272 transitions, 2922 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-11-09 08:57:52,094 INFO L242 Difference]: Finished difference. Result has 204 places, 216 transitions, 1909 flow [2021-11-09 08:57:52,094 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=2252, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1909, PETRI_PLACES=204, PETRI_TRANSITIONS=216} [2021-11-09 08:57:52,095 INFO L334 CegarLoopForPetriNet]: 135 programPoint places, 69 predicate places. [2021-11-09 08:57:52,095 INFO L470 AbstractCegarLoop]: Abstraction has has 204 places, 216 transitions, 1909 flow [2021-11-09 08:57:52,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 104.75) internal successors, (838), 8 states have internal predecessors, (838), 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) [2021-11-09 08:57:52,096 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:52,096 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:57:52,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-09 08:57:52,096 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-09 08:57:52,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:52,097 INFO L85 PathProgramCache]: Analyzing trace with hash -764014275, now seen corresponding path program 3 times [2021-11-09 08:57:52,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:52,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500583128] [2021-11-09 08:57:52,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:52,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:52,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:52,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:52,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500583128] [2021-11-09 08:57:52,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500583128] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:52,260 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:52,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-09 08:57:52,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100634458] [2021-11-09 08:57:52,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-09 08:57:52,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:52,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-09 08:57:52,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-09 08:57:52,263 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 128 [2021-11-09 08:57:52,264 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 216 transitions, 1909 flow. Second operand has 7 states, 7 states have (on average 106.85714285714286) internal successors, (748), 7 states have internal predecessors, (748), 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) [2021-11-09 08:57:52,264 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:52,264 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 128 [2021-11-09 08:57:52,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:53,607 INFO L129 PetriNetUnfolder]: 2779/8571 cut-off events. [2021-11-09 08:57:53,607 INFO L130 PetriNetUnfolder]: For 18376/19241 co-relation queries the response was YES. [2021-11-09 08:57:53,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26856 conditions, 8571 events. 2779/8571 cut-off events. For 18376/19241 co-relation queries the response was YES. Maximal size of possible extension queue 1279. Compared 109779 event pairs, 26 based on Foata normal form. 11/8070 useless extension candidates. Maximal degree in co-relation 26817. Up to 1072 conditions per place. [2021-11-09 08:57:53,673 INFO L132 encePairwiseOnDemand]: 112/128 looper letters, 12 selfloop transitions, 11 changer transitions 103/225 dead transitions. [2021-11-09 08:57:53,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 225 transitions, 2119 flow [2021-11-09 08:57:53,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-09 08:57:53,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-09 08:57:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 763 transitions. [2021-11-09 08:57:53,675 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8515625 [2021-11-09 08:57:53,675 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 763 transitions. [2021-11-09 08:57:53,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 763 transitions. [2021-11-09 08:57:53,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:53,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 763 transitions. [2021-11-09 08:57:53,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 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) [2021-11-09 08:57:53,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 128.0) internal successors, (1024), 8 states have internal predecessors, (1024), 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) [2021-11-09 08:57:53,680 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 128.0) internal successors, (1024), 8 states have internal predecessors, (1024), 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) [2021-11-09 08:57:53,680 INFO L186 Difference]: Start difference. First operand has 204 places, 216 transitions, 1909 flow. Second operand 7 states and 763 transitions. [2021-11-09 08:57:53,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 225 transitions, 2119 flow [2021-11-09 08:57:54,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 225 transitions, 2041 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-11-09 08:57:54,822 INFO L242 Difference]: Finished difference. Result has 205 places, 122 transitions, 637 flow [2021-11-09 08:57:54,823 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=1835, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=637, PETRI_PLACES=205, PETRI_TRANSITIONS=122} [2021-11-09 08:57:54,823 INFO L334 CegarLoopForPetriNet]: 135 programPoint places, 70 predicate places. [2021-11-09 08:57:54,823 INFO L470 AbstractCegarLoop]: Abstraction has has 205 places, 122 transitions, 637 flow [2021-11-09 08:57:54,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 106.85714285714286) internal successors, (748), 7 states have internal predecessors, (748), 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) [2021-11-09 08:57:54,823 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:54,824 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:57:54,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-09 08:57:54,824 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-09 08:57:54,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:54,825 INFO L85 PathProgramCache]: Analyzing trace with hash 2042757881, now seen corresponding path program 4 times [2021-11-09 08:57:54,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:54,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921316540] [2021-11-09 08:57:54,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:54,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:54,893 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:57:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:55,037 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:57:55,038 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-09 08:57:55,039 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:57:55,041 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:57:55,041 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-09 08:57:55,041 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-11-09 08:57:55,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-11-09 08:57:55,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-11-09 08:57:55,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:57:55,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-09 08:57:55,048 INFO L731 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:57:55,053 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-09 08:57:55,054 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 08:57:55,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 08:57:55 BasicIcfg [2021-11-09 08:57:55,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 08:57:55,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 08:57:55,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 08:57:55,326 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 08:57:55,326 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:57:19" (3/4) ... [2021-11-09 08:57:55,329 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-09 08:57:55,778 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/bin/uautomizer-IVEQpCNsaX/witness.graphml [2021-11-09 08:57:55,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 08:57:55,779 INFO L168 Benchmark]: Toolchain (without parser) took 39592.61 ms. Allocated memory was 92.3 MB in the beginning and 9.9 GB in the end (delta: 9.8 GB). Free memory was 56.1 MB in the beginning and 8.9 GB in the end (delta: -8.9 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.1 GB. [2021-11-09 08:57:55,780 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory was 62.7 MB in the beginning and 62.7 MB in the end (delta: 30.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:57:55,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.86 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 55.8 MB in the beginning and 72.9 MB in the end (delta: -17.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 08:57:55,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.36 ms. Allocated memory is still 111.1 MB. Free memory was 72.9 MB in the beginning and 69.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:57:55,781 INFO L168 Benchmark]: Boogie Preprocessor took 82.86 ms. Allocated memory is still 111.1 MB. Free memory was 69.7 MB in the beginning and 67.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-09 08:57:55,782 INFO L168 Benchmark]: RCFGBuilder took 2490.64 ms. Allocated memory was 111.1 MB in the beginning and 140.5 MB in the end (delta: 29.4 MB). Free memory was 67.1 MB in the beginning and 94.3 MB in the end (delta: -27.2 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. [2021-11-09 08:57:55,783 INFO L168 Benchmark]: TraceAbstraction took 35715.25 ms. Allocated memory was 140.5 MB in the beginning and 9.9 GB in the end (delta: 9.8 GB). Free memory was 94.3 MB in the beginning and 8.5 GB in the end (delta: -8.4 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2021-11-09 08:57:55,783 INFO L168 Benchmark]: Witness Printer took 452.69 ms. Allocated memory is still 9.9 GB. Free memory was 8.5 GB in the beginning and 8.9 GB in the end (delta: -374.3 MB). Peak memory consumption was 90.2 MB. Max. memory is 16.1 GB. [2021-11-09 08:57:55,786 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory was 62.7 MB in the beginning and 62.7 MB in the end (delta: 30.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 763.86 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 55.8 MB in the beginning and 72.9 MB in the end (delta: -17.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.36 ms. Allocated memory is still 111.1 MB. Free memory was 72.9 MB in the beginning and 69.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.86 ms. Allocated memory is still 111.1 MB. Free memory was 69.7 MB in the beginning and 67.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2490.64 ms. Allocated memory was 111.1 MB in the beginning and 140.5 MB in the end (delta: 29.4 MB). Free memory was 67.1 MB in the beginning and 94.3 MB in the end (delta: -27.2 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 35715.25 ms. Allocated memory was 140.5 MB in the beginning and 9.9 GB in the end (delta: 9.8 GB). Free memory was 94.3 MB in the beginning and 8.5 GB in the end (delta: -8.4 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. * Witness Printer took 452.69 ms. Allocated memory is still 9.9 GB. Free memory was 8.5 GB in the beginning and 8.9 GB in the end (delta: -374.3 MB). Peak memory consumption was 90.2 MB. Max. memory is 16.1 GB. * 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: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0] [L714] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L716] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0] [L718] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0] [L720] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0] [L721] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0] [L722] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L724] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L726] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L728] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L729] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L730] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L731] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L732] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L733] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L734] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0] [L735] 0 _Bool z$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0] [L736] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0] [L737] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L738] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L739] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0] [L740] 0 _Bool z$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0] [L741] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0] [L742] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L743] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L744] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L745] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L746] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L747] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L748] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L867] 0 pthread_t t213; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L868] FCALL, FORK 0 pthread_create(&t213, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L869] 0 pthread_t t214; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L870] FCALL, FORK 0 pthread_create(&t214, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L871] 0 pthread_t t215; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L872] FCALL, FORK 0 pthread_create(&t215, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L873] 0 pthread_t t216; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L874] FCALL, FORK 0 pthread_create(&t216, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L813] 4 z$w_buff1 = z$w_buff0 [L814] 4 z$w_buff0 = 1 [L815] 4 z$w_buff1_used = z$w_buff0_used [L816] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L818] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L819] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L820] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L821] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L822] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L823] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L826] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L827] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L828] 4 z$flush_delayed = weak$$choice2 [L829] 4 z$mem_tmp = z [L830] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L830] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1 [L830] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L830] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L831] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L831] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L832] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L832] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L833] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L833] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L834] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L835] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L835] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L836] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L836] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L837] 4 __unbuffered_p3_EAX = z [L838] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L838] 4 z = z$flush_delayed ? z$mem_tmp : z [L839] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L842] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L767] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, 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$$choice0=49, weak$$choice2=255, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L785] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, 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$$choice0=49, weak$$choice2=255, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L788] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L789] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L790] 3 z$flush_delayed = weak$$choice2 [L791] 3 z$mem_tmp = z [L792] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L792] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L793] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L793] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L794] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L794] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L795] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L795] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L796] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L796] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L797] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L797] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L798] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L798] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L799] 3 __unbuffered_p2_EBX = z [L800] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L800] 3 z = z$flush_delayed ? z$mem_tmp : z [L801] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L806] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L845] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L845] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L846] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L846] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L847] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L847] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L848] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L848] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L849] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L849] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L852] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L876] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L880] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L880] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L880] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L880] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L881] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L881] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L882] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L882] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L883] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L883] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L884] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L884] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L887] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] 0 reach_error() VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 874]: 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: 870]: 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: 868]: 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: 872]: 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 9 procedures, 163 locations, 7 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: 35.2s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 31.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 310 SDtfs, 583 SDslu, 999 SDs, 0 SdLazy, 779 SolverSat, 221 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 179 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2386occurred in iteration=9, InterpolantAutomatonStates: 150, 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, 0.8s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1253 NumberOfCodeBlocks, 1253 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1141 ConstructedInterpolants, 0 QuantifiedInterpolants, 5733 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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! [2021-11-09 08:57:55,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d2a6-7567-435d-870f-89bc2dfc155b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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