./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix006_pso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f93f970-0508-4740-a77a-e9e0a4491db2/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f93f970-0508-4740-a77a-e9e0a4491db2/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f93f970-0508-4740-a77a-e9e0a4491db2/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f93f970-0508-4740-a77a-e9e0a4491db2/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix006_pso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f93f970-0508-4740-a77a-e9e0a4491db2/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f93f970-0508-4740-a77a-e9e0a4491db2/bin/utaipan-WLngWcDbfI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 576058572a561b7fa8650bcd8f0e89df1f827e6b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:20:42,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:20:42,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:20:42,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:20:42,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:20:42,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:20:42,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:20:42,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:20:42,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:20:42,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:20:42,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:20:42,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:20:42,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:20:42,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:20:42,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:20:42,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:20:42,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:20:42,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:20:42,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:20:42,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:20:42,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:20:42,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:20:42,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:20:42,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:20:42,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:20:42,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:20:42,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:20:42,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:20:42,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:20:42,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:20:42,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:20:42,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:20:42,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:20:42,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:20:42,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:20:42,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:20:42,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:20:42,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:20:42,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:20:42,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:20:42,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:20:42,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f93f970-0508-4740-a77a-e9e0a4491db2/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:20:42,804 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:20:42,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:20:42,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:20:42,806 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:20:42,806 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:20:42,806 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:20:42,806 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:20:42,806 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:20:42,807 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:20:42,807 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:20:42,807 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:20:42,807 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:20:42,808 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:20:42,808 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:20:42,808 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:20:42,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:20:42,809 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:20:42,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:20:42,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:20:42,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:20:42,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:20:42,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:20:42,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:20:42,810 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:20:42,811 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:20:42,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:20:42,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:20:42,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:20:42,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:20:42,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:20:42,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:42,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:20:42,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:20:42,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:20:42,813 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:20:42,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:20:42,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:20:42,814 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:20:42,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:20:42,814 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3f93f970-0508-4740-a77a-e9e0a4491db2/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f93f970-0508-4740-a77a-e9e0a4491db2/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 576058572a561b7fa8650bcd8f0e89df1f827e6b [2021-10-11 02:20:43,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:20:43,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:20:43,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:20:43,071 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:20:43,072 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:20:43,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f93f970-0508-4740-a77a-e9e0a4491db2/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/pthread-wmm/mix006_pso.opt.i [2021-10-11 02:20:43,136 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f93f970-0508-4740-a77a-e9e0a4491db2/bin/utaipan-WLngWcDbfI/data/ada4d594c/0545ba45962a4b1b9268a636736324df/FLAG570f4997c [2021-10-11 02:20:43,643 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:20:43,643 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f93f970-0508-4740-a77a-e9e0a4491db2/sv-benchmarks/c/pthread-wmm/mix006_pso.opt.i [2021-10-11 02:20:43,665 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f93f970-0508-4740-a77a-e9e0a4491db2/bin/utaipan-WLngWcDbfI/data/ada4d594c/0545ba45962a4b1b9268a636736324df/FLAG570f4997c [2021-10-11 02:20:43,957 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f93f970-0508-4740-a77a-e9e0a4491db2/bin/utaipan-WLngWcDbfI/data/ada4d594c/0545ba45962a4b1b9268a636736324df [2021-10-11 02:20:43,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:20:43,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:20:43,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:43,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:20:43,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:20:43,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:43" (1/1) ... [2021-10-11 02:20:43,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14fc7581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:43, skipping insertion in model container [2021-10-11 02:20:43,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:43" (1/1) ... [2021-10-11 02:20:43,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:20:44,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:44,242 WARN L226 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_3f93f970-0508-4740-a77a-e9e0a4491db2/sv-benchmarks/c/pthread-wmm/mix006_pso.opt.i[948,961] [2021-10-11 02:20:44,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:44,478 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:20:44,490 WARN L226 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_3f93f970-0508-4740-a77a-e9e0a4491db2/sv-benchmarks/c/pthread-wmm/mix006_pso.opt.i[948,961] [2021-10-11 02:20:44,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:44,628 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:20:44,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:44 WrapperNode [2021-10-11 02:20:44,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:44,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:44,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:20:44,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:20:44,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:44" (1/1) ... [2021-10-11 02:20:44,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:44" (1/1) ... [2021-10-11 02:20:44,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:44,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:20:44,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:20:44,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:20:44,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:44" (1/1) ... [2021-10-11 02:20:44,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:44" (1/1) ... [2021-10-11 02:20:44,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:44" (1/1) ... [2021-10-11 02:20:44,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:44" (1/1) ... [2021-10-11 02:20:44,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:44" (1/1) ... [2021-10-11 02:20:44,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:44" (1/1) ... [2021-10-11 02:20:44,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:44" (1/1) ... [2021-10-11 02:20:44,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:20:44,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:20:44,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:20:44,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:20:44,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:44" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f93f970-0508-4740-a77a-e9e0a4491db2/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 02:20:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-11 02:20:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:20:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:20:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-11 02:20:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-11 02:20:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-11 02:20:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-11 02:20:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-11 02:20:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-11 02:20:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:20:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-11 02:20:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:20:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:20:44,864 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-11 02:20:47,377 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:20:47,377 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-11 02:20:47,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:47 BoogieIcfgContainer [2021-10-11 02:20:47,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:20:47,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:20:47,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:20:47,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:20:47,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:20:43" (1/3) ... [2021-10-11 02:20:47,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b9a4ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:47, skipping insertion in model container [2021-10-11 02:20:47,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:44" (2/3) ... [2021-10-11 02:20:47,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b9a4ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:47, skipping insertion in model container [2021-10-11 02:20:47,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:47" (3/3) ... [2021-10-11 02:20:47,390 INFO L111 eAbstractionObserver]: Analyzing ICFG mix006_pso.opt.i [2021-10-11 02:20:47,404 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-11 02:20:47,404 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:20:47,407 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-10-11 02:20:47,408 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-11 02:20:47,453 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,453 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,454 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,454 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,454 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,454 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,454 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,454 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,455 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,455 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,455 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,455 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,455 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,456 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,457 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,457 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,457 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,459 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,459 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,459 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,460 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,460 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,473 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,483 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,484 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,484 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,487 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,488 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,488 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,488 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,489 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,489 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,489 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,489 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,489 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,489 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,489 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,490 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,490 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,513 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,513 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,515 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,515 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,517 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,518 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,518 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,518 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,518 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,518 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,521 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,529 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,529 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,529 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,529 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,530 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,530 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,531 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,532 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,533 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,533 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,533 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,533 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,534 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,534 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,534 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,534 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,534 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,534 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:20:47,539 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-11 02:20:47,549 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-11 02:20:47,584 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:20:47,585 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:20:47,586 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:20:47,586 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:20:47,586 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:20:47,586 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:20:47,586 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:20:47,586 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:20:47,603 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-11 02:20:47,605 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 100 transitions, 215 flow [2021-10-11 02:20:47,608 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 100 transitions, 215 flow [2021-10-11 02:20:47,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 100 transitions, 215 flow [2021-10-11 02:20:47,679 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-10-11 02:20:47,679 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-11 02:20:47,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-10-11 02:20:47,692 INFO L116 LiptonReduction]: Number of co-enabled transitions 1658 [2021-10-11 02:20:47,933 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 2, 4, 3, 2, 1] term [2021-10-11 02:20:47,933 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:47,936 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:47,937 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:47,939 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 2, 4, 3, 2, 1] term [2021-10-11 02:20:47,939 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:48,853 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:48,854 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:48,855 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:48,855 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:48,863 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:48,863 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-10-11 02:20:48,867 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:48,868 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-10-11 02:20:48,935 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:48,936 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:48,937 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:48,938 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:48,941 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:48,942 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-10-11 02:20:48,945 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:48,945 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-10-11 02:20:49,010 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:49,010 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:49,034 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-10-11 02:20:49,035 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-10-11 02:20:49,038 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2021-10-11 02:20:49,039 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-10-11 02:20:49,041 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-10-11 02:20:49,041 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-10-11 02:20:49,046 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:49,046 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:49,049 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:49,049 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:49,052 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:49,052 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:49,133 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:49,134 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-10-11 02:20:49,138 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 2, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:49,138 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:49,633 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 2, 4, 3, 2, 1] term [2021-10-11 02:20:49,633 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:49,634 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:49,635 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:49,636 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 2, 4, 3, 2, 1] term [2021-10-11 02:20:49,636 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:49,779 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:49,779 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:49,781 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-10-11 02:20:49,782 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-10-11 02:20:49,783 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2021-10-11 02:20:49,784 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-10-11 02:20:49,785 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-10-11 02:20:49,785 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-10-11 02:20:49,787 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:49,787 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:49,789 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:49,789 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:49,791 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:49,791 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:49,848 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:49,849 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-10-11 02:20:49,851 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 2, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:49,852 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:49,976 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 2, 1] term [2021-10-11 02:20:49,976 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:50,026 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:50,026 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-10-11 02:20:50,029 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 2, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:50,029 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:50,078 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:50,079 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:50,083 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-10-11 02:20:50,084 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-10-11 02:20:50,085 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2021-10-11 02:20:50,086 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-10-11 02:20:50,087 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-10-11 02:20:50,087 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-10-11 02:20:50,089 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:50,089 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:50,090 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:50,090 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:50,092 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:50,092 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:50,701 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:50,702 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-10-11 02:20:50,704 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 2, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:50,704 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:50,751 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:50,752 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:50,756 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-10-11 02:20:50,756 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-10-11 02:20:50,757 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2021-10-11 02:20:50,758 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-10-11 02:20:50,759 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-10-11 02:20:50,759 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-10-11 02:20:50,760 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:50,761 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:50,762 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:50,762 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:50,764 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-10-11 02:20:50,764 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:51,246 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-10-11 02:20:51,839 WARN L197 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-10-11 02:20:52,009 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-10-11 02:20:52,690 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:52,691 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:52,691 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:52,691 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:52,693 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:52,693 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-10-11 02:20:52,695 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:52,696 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-10-11 02:20:52,715 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:52,715 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:52,716 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:52,716 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:52,718 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:52,718 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-10-11 02:20:52,720 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:52,720 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-10-11 02:20:53,157 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:53,157 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:53,158 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:53,158 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:53,160 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:53,160 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:53,161 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:53,161 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:53,180 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:53,180 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:53,181 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:53,181 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:53,182 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:53,183 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-10-11 02:20:53,188 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:53,189 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-10-11 02:20:53,214 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:53,214 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:53,215 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:53,215 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:53,217 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:53,217 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-10-11 02:20:53,219 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:53,219 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-10-11 02:20:53,236 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:53,236 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:53,237 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:53,237 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:20:53,238 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:53,238 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:53,241 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-10-11 02:20:53,241 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:20:53,656 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-10-11 02:20:53,856 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-10-11 02:20:54,555 WARN L197 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-10-11 02:20:54,732 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-10-11 02:20:55,086 WARN L197 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-10-11 02:20:55,253 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-10-11 02:20:55,257 INFO L131 LiptonReduction]: Checked pairs total: 4325 [2021-10-11 02:20:55,257 INFO L133 LiptonReduction]: Total number of compositions: 85 [2021-10-11 02:20:55,262 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 28 transitions, 71 flow [2021-10-11 02:20:55,346 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 890 states. [2021-10-11 02:20:55,348 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states. [2021-10-11 02:20:55,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 02:20:55,353 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:55,354 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:55,354 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:55,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:55,359 INFO L82 PathProgramCache]: Analyzing trace with hash 2043740587, now seen corresponding path program 1 times [2021-10-11 02:20:55,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:20:55,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322907538] [2021-10-11 02:20:55,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:20:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:55,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:55,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322907538] [2021-10-11 02:20:55,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:55,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-11 02:20:55,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079084946] [2021-10-11 02:20:55,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:20:55,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:20:55,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:20:55,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:55,617 INFO L87 Difference]: Start difference. First operand 890 states. Second operand 3 states. [2021-10-11 02:20:55,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:55,710 INFO L93 Difference]: Finished difference Result 770 states and 2434 transitions. [2021-10-11 02:20:55,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:20:55,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2021-10-11 02:20:55,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:55,735 INFO L225 Difference]: With dead ends: 770 [2021-10-11 02:20:55,735 INFO L226 Difference]: Without dead ends: 650 [2021-10-11 02:20:55,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:55,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2021-10-11 02:20:55,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2021-10-11 02:20:55,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2021-10-11 02:20:55,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 2028 transitions. [2021-10-11 02:20:55,835 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 2028 transitions. Word has length 7 [2021-10-11 02:20:55,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:55,838 INFO L481 AbstractCegarLoop]: Abstraction has 650 states and 2028 transitions. [2021-10-11 02:20:55,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:20:55,838 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 2028 transitions. [2021-10-11 02:20:55,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:20:55,840 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:55,841 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:55,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:20:55,841 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:55,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:55,842 INFO L82 PathProgramCache]: Analyzing trace with hash -378926448, now seen corresponding path program 1 times [2021-10-11 02:20:55,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:20:55,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828430596] [2021-10-11 02:20:55,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:20:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:56,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828430596] [2021-10-11 02:20:56,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:56,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:20:56,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504458348] [2021-10-11 02:20:56,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:20:56,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:20:56,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:20:56,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:20:56,026 INFO L87 Difference]: Start difference. First operand 650 states and 2028 transitions. Second operand 4 states. [2021-10-11 02:20:56,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:56,140 INFO L93 Difference]: Finished difference Result 1106 states and 3230 transitions. [2021-10-11 02:20:56,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:20:56,141 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2021-10-11 02:20:56,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:56,154 INFO L225 Difference]: With dead ends: 1106 [2021-10-11 02:20:56,155 INFO L226 Difference]: Without dead ends: 894 [2021-10-11 02:20:56,155 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:56,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2021-10-11 02:20:56,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 782. [2021-10-11 02:20:56,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2021-10-11 02:20:56,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 2368 transitions. [2021-10-11 02:20:56,214 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 2368 transitions. Word has length 10 [2021-10-11 02:20:56,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:56,215 INFO L481 AbstractCegarLoop]: Abstraction has 782 states and 2368 transitions. [2021-10-11 02:20:56,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:20:56,215 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 2368 transitions. [2021-10-11 02:20:56,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 02:20:56,218 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:56,218 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:56,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:20:56,218 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:56,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:56,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1393109643, now seen corresponding path program 1 times [2021-10-11 02:20:56,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:20:56,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401889083] [2021-10-11 02:20:56,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:20:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:56,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401889083] [2021-10-11 02:20:56,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:56,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:20:56,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550903263] [2021-10-11 02:20:56,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:20:56,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:20:56,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:20:56,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:20:56,281 INFO L87 Difference]: Start difference. First operand 782 states and 2368 transitions. Second operand 4 states. [2021-10-11 02:20:56,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:56,309 INFO L93 Difference]: Finished difference Result 814 states and 2388 transitions. [2021-10-11 02:20:56,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:20:56,309 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2021-10-11 02:20:56,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:56,316 INFO L225 Difference]: With dead ends: 814 [2021-10-11 02:20:56,316 INFO L226 Difference]: Without dead ends: 702 [2021-10-11 02:20:56,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:56,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2021-10-11 02:20:56,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 638. [2021-10-11 02:20:56,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2021-10-11 02:20:56,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 1896 transitions. [2021-10-11 02:20:56,342 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 1896 transitions. Word has length 11 [2021-10-11 02:20:56,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:56,343 INFO L481 AbstractCegarLoop]: Abstraction has 638 states and 1896 transitions. [2021-10-11 02:20:56,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:20:56,343 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1896 transitions. [2021-10-11 02:20:56,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 02:20:56,348 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:56,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:56,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 02:20:56,348 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:56,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:56,349 INFO L82 PathProgramCache]: Analyzing trace with hash -338591763, now seen corresponding path program 1 times [2021-10-11 02:20:56,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:20:56,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522251005] [2021-10-11 02:20:56,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:20:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:56,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522251005] [2021-10-11 02:20:56,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:56,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:20:56,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849486344] [2021-10-11 02:20:56,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:20:56,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:20:56,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:20:56,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:20:56,444 INFO L87 Difference]: Start difference. First operand 638 states and 1896 transitions. Second operand 4 states. [2021-10-11 02:20:56,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:56,478 INFO L93 Difference]: Finished difference Result 662 states and 1918 transitions. [2021-10-11 02:20:56,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:20:56,478 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2021-10-11 02:20:56,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:56,483 INFO L225 Difference]: With dead ends: 662 [2021-10-11 02:20:56,483 INFO L226 Difference]: Without dead ends: 590 [2021-10-11 02:20:56,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:56,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2021-10-11 02:20:56,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 542. [2021-10-11 02:20:56,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2021-10-11 02:20:56,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 1604 transitions. [2021-10-11 02:20:56,507 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 1604 transitions. Word has length 12 [2021-10-11 02:20:56,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:56,508 INFO L481 AbstractCegarLoop]: Abstraction has 542 states and 1604 transitions. [2021-10-11 02:20:56,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:20:56,508 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 1604 transitions. [2021-10-11 02:20:56,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 02:20:56,510 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:56,510 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:56,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 02:20:56,510 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:56,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:56,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1029552754, now seen corresponding path program 1 times [2021-10-11 02:20:56,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:20:56,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845302608] [2021-10-11 02:20:56,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:20:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:56,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:56,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845302608] [2021-10-11 02:20:56,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:56,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:20:56,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123497798] [2021-10-11 02:20:56,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:20:56,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:20:56,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:20:56,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:20:56,637 INFO L87 Difference]: Start difference. First operand 542 states and 1604 transitions. Second operand 4 states. [2021-10-11 02:20:56,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:56,671 INFO L93 Difference]: Finished difference Result 510 states and 1322 transitions. [2021-10-11 02:20:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:20:56,673 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2021-10-11 02:20:56,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:56,675 INFO L225 Difference]: With dead ends: 510 [2021-10-11 02:20:56,676 INFO L226 Difference]: Without dead ends: 378 [2021-10-11 02:20:56,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:56,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2021-10-11 02:20:56,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2021-10-11 02:20:56,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2021-10-11 02:20:56,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 952 transitions. [2021-10-11 02:20:56,689 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 952 transitions. Word has length 14 [2021-10-11 02:20:56,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:56,690 INFO L481 AbstractCegarLoop]: Abstraction has 378 states and 952 transitions. [2021-10-11 02:20:56,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:20:56,690 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 952 transitions. [2021-10-11 02:20:56,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:20:56,691 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:56,691 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:56,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 02:20:56,691 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:56,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:56,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1038579956, now seen corresponding path program 1 times [2021-10-11 02:20:56,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:20:56,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405839149] [2021-10-11 02:20:56,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:20:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:56,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:56,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405839149] [2021-10-11 02:20:56,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:56,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:20:56,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30111578] [2021-10-11 02:20:56,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:20:56,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:20:56,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:20:56,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:56,853 INFO L87 Difference]: Start difference. First operand 378 states and 952 transitions. Second operand 5 states. [2021-10-11 02:20:56,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:56,901 INFO L93 Difference]: Finished difference Result 298 states and 683 transitions. [2021-10-11 02:20:56,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:20:56,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2021-10-11 02:20:56,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:56,903 INFO L225 Difference]: With dead ends: 298 [2021-10-11 02:20:56,904 INFO L226 Difference]: Without dead ends: 230 [2021-10-11 02:20:56,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:20:56,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-10-11 02:20:56,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 228. [2021-10-11 02:20:56,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2021-10-11 02:20:56,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 509 transitions. [2021-10-11 02:20:56,911 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 509 transitions. Word has length 16 [2021-10-11 02:20:56,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:56,912 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 509 transitions. [2021-10-11 02:20:56,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:20:56,912 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 509 transitions. [2021-10-11 02:20:56,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:20:56,913 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:56,913 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:56,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 02:20:56,914 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:56,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:56,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1110704474, now seen corresponding path program 1 times [2021-10-11 02:20:56,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:20:56,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099718450] [2021-10-11 02:20:56,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:20:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:57,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:57,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099718450] [2021-10-11 02:20:57,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:57,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:20:57,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122464445] [2021-10-11 02:20:57,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:20:57,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:20:57,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:20:57,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:20:57,082 INFO L87 Difference]: Start difference. First operand 228 states and 509 transitions. Second operand 6 states. [2021-10-11 02:20:57,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:57,144 INFO L93 Difference]: Finished difference Result 199 states and 450 transitions. [2021-10-11 02:20:57,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:20:57,145 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2021-10-11 02:20:57,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:57,146 INFO L225 Difference]: With dead ends: 199 [2021-10-11 02:20:57,146 INFO L226 Difference]: Without dead ends: 172 [2021-10-11 02:20:57,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:20:57,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-11 02:20:57,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 162. [2021-10-11 02:20:57,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2021-10-11 02:20:57,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 372 transitions. [2021-10-11 02:20:57,153 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 372 transitions. Word has length 19 [2021-10-11 02:20:57,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:57,153 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 372 transitions. [2021-10-11 02:20:57,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:20:57,153 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 372 transitions. [2021-10-11 02:20:57,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:20:57,154 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:57,154 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:57,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 02:20:57,155 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:57,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:57,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1581355606, now seen corresponding path program 1 times [2021-10-11 02:20:57,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:20:57,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738276713] [2021-10-11 02:20:57,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:20:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:57,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:57,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738276713] [2021-10-11 02:20:57,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:57,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:20:57,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725995739] [2021-10-11 02:20:57,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:20:57,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:20:57,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:20:57,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:57,326 INFO L87 Difference]: Start difference. First operand 162 states and 372 transitions. Second operand 5 states. [2021-10-11 02:20:57,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:57,354 INFO L93 Difference]: Finished difference Result 204 states and 455 transitions. [2021-10-11 02:20:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:20:57,355 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 02:20:57,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:57,356 INFO L225 Difference]: With dead ends: 204 [2021-10-11 02:20:57,356 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 02:20:57,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:20:57,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 02:20:57,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-11 02:20:57,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 02:20:57,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 134 transitions. [2021-10-11 02:20:57,359 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 134 transitions. Word has length 22 [2021-10-11 02:20:57,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:57,359 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 134 transitions. [2021-10-11 02:20:57,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:20:57,360 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 134 transitions. [2021-10-11 02:20:57,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:20:57,360 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:57,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:57,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 02:20:57,361 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:57,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:57,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1998383358, now seen corresponding path program 2 times [2021-10-11 02:20:57,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:20:57,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252995106] [2021-10-11 02:20:57,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:20:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:57,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:57,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252995106] [2021-10-11 02:20:57,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:57,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:20:57,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526817175] [2021-10-11 02:20:57,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:20:57,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:20:57,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:20:57,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:20:57,428 INFO L87 Difference]: Start difference. First operand 71 states and 134 transitions. Second operand 4 states. [2021-10-11 02:20:57,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:57,447 INFO L93 Difference]: Finished difference Result 98 states and 183 transitions. [2021-10-11 02:20:57,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:20:57,448 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2021-10-11 02:20:57,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:57,448 INFO L225 Difference]: With dead ends: 98 [2021-10-11 02:20:57,448 INFO L226 Difference]: Without dead ends: 49 [2021-10-11 02:20:57,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:57,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-11 02:20:57,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-11 02:20:57,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-10-11 02:20:57,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 82 transitions. [2021-10-11 02:20:57,451 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 82 transitions. Word has length 22 [2021-10-11 02:20:57,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:57,451 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 82 transitions. [2021-10-11 02:20:57,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:20:57,452 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2021-10-11 02:20:57,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:20:57,452 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:57,452 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:57,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 02:20:57,453 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:57,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:57,453 INFO L82 PathProgramCache]: Analyzing trace with hash 530479170, now seen corresponding path program 3 times [2021-10-11 02:20:57,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:20:57,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057623132] [2021-10-11 02:20:57,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:20:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:57,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:57,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057623132] [2021-10-11 02:20:57,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:57,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:20:57,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114099743] [2021-10-11 02:20:57,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 02:20:57,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:20:57,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 02:20:57,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:20:57,748 INFO L87 Difference]: Start difference. First operand 49 states and 82 transitions. Second operand 8 states. [2021-10-11 02:20:57,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:57,938 INFO L93 Difference]: Finished difference Result 60 states and 97 transitions. [2021-10-11 02:20:57,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:20:57,939 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2021-10-11 02:20:57,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:57,939 INFO L225 Difference]: With dead ends: 60 [2021-10-11 02:20:57,940 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 02:20:57,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:20:57,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 02:20:57,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 02:20:57,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 02:20:57,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2021-10-11 02:20:57,941 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 22 [2021-10-11 02:20:57,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:57,942 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2021-10-11 02:20:57,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 02:20:57,942 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2021-10-11 02:20:57,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:20:57,942 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:57,942 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:57,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 02:20:57,943 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:57,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:57,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1754732092, now seen corresponding path program 4 times [2021-10-11 02:20:57,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:20:57,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865760884] [2021-10-11 02:20:57,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:20:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:20:57,990 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:20:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:20:58,052 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:20:58,102 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:20:58,103 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:20:58,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 02:20:58,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:20:58 BasicIcfg [2021-10-11 02:20:58,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:20:58,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:20:58,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:20:58,240 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:20:58,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:47" (3/4) ... [2021-10-11 02:20:58,242 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:20:58,355 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f93f970-0508-4740-a77a-e9e0a4491db2/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:20:58,356 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:20:58,357 INFO L168 Benchmark]: Toolchain (without parser) took 14395.35 ms. Allocated memory was 92.3 MB in the beginning and 329.3 MB in the end (delta: 237.0 MB). Free memory was 50.4 MB in the beginning and 107.8 MB in the end (delta: -57.4 MB). Peak memory consumption was 178.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:58,357 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 92.3 MB. Free memory is still 68.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:58,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.38 ms. Allocated memory is still 92.3 MB. Free memory was 50.1 MB in the beginning and 43.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:58,358 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.22 ms. Allocated memory is still 92.3 MB. Free memory was 43.3 MB in the beginning and 40.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:58,358 INFO L168 Benchmark]: Boogie Preprocessor took 63.75 ms. Allocated memory is still 92.3 MB. Free memory was 40.5 MB in the beginning and 37.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:58,359 INFO L168 Benchmark]: RCFGBuilder took 2616.71 ms. Allocated memory was 92.3 MB in the beginning and 140.5 MB in the end (delta: 48.2 MB). Free memory was 37.9 MB in the beginning and 84.1 MB in the end (delta: -46.2 MB). Peak memory consumption was 42.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:58,359 INFO L168 Benchmark]: TraceAbstraction took 10856.81 ms. Allocated memory was 140.5 MB in the beginning and 329.3 MB in the end (delta: 188.7 MB). Free memory was 84.1 MB in the beginning and 126.6 MB in the end (delta: -42.6 MB). Peak memory consumption was 146.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:58,360 INFO L168 Benchmark]: Witness Printer took 115.82 ms. Allocated memory is still 329.3 MB. Free memory was 126.6 MB in the beginning and 107.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:58,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 92.3 MB. Free memory is still 68.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 666.38 ms. Allocated memory is still 92.3 MB. Free memory was 50.1 MB in the beginning and 43.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.22 ms. Allocated memory is still 92.3 MB. Free memory was 43.3 MB in the beginning and 40.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.75 ms. Allocated memory is still 92.3 MB. Free memory was 40.5 MB in the beginning and 37.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2616.71 ms. Allocated memory was 92.3 MB in the beginning and 140.5 MB in the end (delta: 48.2 MB). Free memory was 37.9 MB in the beginning and 84.1 MB in the end (delta: -46.2 MB). Peak memory consumption was 42.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10856.81 ms. Allocated memory was 140.5 MB in the beginning and 329.3 MB in the end (delta: 188.7 MB). Free memory was 84.1 MB in the beginning and 126.6 MB in the end (delta: -42.6 MB). Peak memory consumption was 146.2 MB. Max. memory is 16.1 GB. * Witness Printer took 115.82 ms. Allocated memory is still 329.3 MB. Free memory was 126.6 MB in the beginning and 107.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1181 VarBasedMoverChecksPositive, 69 VarBasedMoverChecksNegative, 19 SemBasedMoverChecksPositive, 50 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 2.0s, 144 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.6s, 108 PlacesBefore, 37 PlacesAfterwards, 100 TransitionsBefore, 28 TransitionsAfterwards, 1658 CoEnabledTransitionPairs, 6 FixpointIterations, 38 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 85 TotalNumberOfCompositions, 4325 MoverChecksTotal - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p1_EBX = 0; [L715] 0 int __unbuffered_p2_EAX = 0; [L717] 0 int __unbuffered_p2_EBX = 0; [L718] 0 _Bool main$tmp_guard0; [L719] 0 _Bool main$tmp_guard1; [L721] 0 int x = 0; [L723] 0 int y = 0; [L724] 0 _Bool y$flush_delayed; [L725] 0 int y$mem_tmp; [L726] 0 _Bool y$r_buff0_thd0; [L727] 0 _Bool y$r_buff0_thd1; [L728] 0 _Bool y$r_buff0_thd2; [L729] 0 _Bool y$r_buff0_thd3; [L730] 0 _Bool y$r_buff1_thd0; [L731] 0 _Bool y$r_buff1_thd1; [L732] 0 _Bool y$r_buff1_thd2; [L733] 0 _Bool y$r_buff1_thd3; [L734] 0 _Bool y$read_delayed; [L735] 0 int *y$read_delayed_var; [L736] 0 int y$w_buff0; [L737] 0 _Bool y$w_buff0_used; [L738] 0 int y$w_buff1; [L739] 0 _Bool y$w_buff1_used; [L741] 0 int z = 0; [L742] 0 _Bool weak$$choice0; [L743] 0 _Bool weak$$choice2; [L846] 0 pthread_t t162; [L847] FCALL, FORK 0 pthread_create(&t162, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L848] 0 pthread_t t163; [L849] FCALL, FORK 0 pthread_create(&t163, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L850] 0 pthread_t t164; [L851] FCALL, FORK 0 pthread_create(&t164, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L793] 3 y$w_buff1 = y$w_buff0 [L794] 3 y$w_buff0 = 1 [L795] 3 y$w_buff1_used = y$w_buff0_used [L796] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L798] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L799] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L800] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L801] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L802] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L805] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L806] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L807] 3 y$flush_delayed = weak$$choice2 [L808] 3 y$mem_tmp = y [L809] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L809] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1 [L809] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L809] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L810] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L810] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L811] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L811] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L812] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L812] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L813] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L813] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L814] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L814] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L815] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L815] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L816] 3 __unbuffered_p2_EAX = y [L817] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L817] 3 y = y$flush_delayed ? y$mem_tmp : y [L818] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L821] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L747] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L750] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L762] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L765] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L768] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L769] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L770] 2 y$flush_delayed = weak$$choice2 [L771] 2 y$mem_tmp = y [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L772] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L773] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L773] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L773] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L774] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L774] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L774] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L774] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L775] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L775] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L775] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L775] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L776] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L776] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L777] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L777] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L777] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L777] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L778] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L778] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L778] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L778] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L779] 2 __unbuffered_p1_EBX = y [L780] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L780] 2 y = y$flush_delayed ? y$mem_tmp : y [L781] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L786] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L788] 2 return 0; [L824] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L824] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L825] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L825] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L826] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L827] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L828] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L828] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L831] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L833] 3 return 0; [L755] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L757] 1 return 0; [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L3] COND FALSE 0 !(!cond) [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L858] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L859] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L860] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L860] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L861] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L864] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 99 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.5s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.7s, HoareTripleCheckerStatistics: 269 SDtfs, 311 SDslu, 472 SDs, 0 SdLazy, 149 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=890occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 236 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 13025 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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! Received shutdown request...