./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix007_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix007_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8dc0e53f414aa481cc0d92e1b6c26bc1f4ed0399 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:16:16,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:16:16,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:16:16,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:16:16,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:16:16,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:16:16,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:16:16,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:16:16,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:16:16,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:16:16,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:16:16,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:16:16,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:16:16,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:16:16,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:16:16,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:16:16,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:16:16,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:16:16,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:16:16,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:16:16,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:16:16,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:16:16,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:16:16,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:16:16,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:16:16,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:16:16,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:16:16,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:16:16,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:16:16,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:16:16,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:16:16,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:16:16,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:16:16,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:16:16,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:16:16,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:16:16,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:16:16,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:16:16,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:16:16,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:16:16,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:16:16,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:16:16,700 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:16:16,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:16:16,701 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:16:16,701 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:16:16,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:16:16,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:16:16,703 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:16:16,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:16:16,703 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:16:16,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:16:16,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:16:16,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:16:16,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:16:16,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:16:16,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:16:16,705 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:16:16,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:16:16,705 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:16:16,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:16:16,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:16:16,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:16:16,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:16:16,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:16:16,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:16:16,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:16:16,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:16:16,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:16:16,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:16:16,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:16:16,709 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:16:16,709 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dc0e53f414aa481cc0d92e1b6c26bc1f4ed0399 [2021-10-13 00:16:16,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:16:17,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:16:17,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:16:17,008 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:16:17,009 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:16:17,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/pthread-wmm/mix007_power.oepc.i [2021-10-13 00:16:17,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/bin/uautomizer-WNIpwEf4Nt/data/e0b59cc11/2f1d2e7fa12a47dc81e3470b387b936c/FLAGd5e73f7c3 [2021-10-13 00:16:17,710 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:16:17,715 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/sv-benchmarks/c/pthread-wmm/mix007_power.oepc.i [2021-10-13 00:16:17,730 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/bin/uautomizer-WNIpwEf4Nt/data/e0b59cc11/2f1d2e7fa12a47dc81e3470b387b936c/FLAGd5e73f7c3 [2021-10-13 00:16:17,964 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/bin/uautomizer-WNIpwEf4Nt/data/e0b59cc11/2f1d2e7fa12a47dc81e3470b387b936c [2021-10-13 00:16:17,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:16:17,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:16:17,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:16:17,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:16:17,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:16:17,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:16:17" (1/1) ... [2021-10-13 00:16:17,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a0cd5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:17, skipping insertion in model container [2021-10-13 00:16:17,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:16:17" (1/1) ... [2021-10-13 00:16:17,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:16:18,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:16:18,273 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/sv-benchmarks/c/pthread-wmm/mix007_power.oepc.i[951,964] [2021-10-13 00:16:18,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:16:18,489 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:16:18,501 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/sv-benchmarks/c/pthread-wmm/mix007_power.oepc.i[951,964] [2021-10-13 00:16:18,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:16:18,614 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:16:18,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:18 WrapperNode [2021-10-13 00:16:18,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:16:18,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:16:18,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:16:18,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:16:18,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:18" (1/1) ... [2021-10-13 00:16:18,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:18" (1/1) ... [2021-10-13 00:16:18,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:16:18,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:16:18,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:16:18,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:16:18,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:18" (1/1) ... [2021-10-13 00:16:18,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:18" (1/1) ... [2021-10-13 00:16:18,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:18" (1/1) ... [2021-10-13 00:16:18,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:18" (1/1) ... [2021-10-13 00:16:18,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:18" (1/1) ... [2021-10-13 00:16:18,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:18" (1/1) ... [2021-10-13 00:16:18,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:18" (1/1) ... [2021-10-13 00:16:18,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:16:18,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:16:18,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:16:18,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:16:18,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:18" (1/1) ... [2021-10-13 00:16:18,820 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:16:18,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:16:18,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:16:18,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:16:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:16:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-13 00:16:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:16:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:16:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-13 00:16:18,897 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-13 00:16:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-13 00:16:18,897 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-13 00:16:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-13 00:16:18,897 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-13 00:16:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-10-13 00:16:18,898 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-10-13 00:16:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:16:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-13 00:16:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:16:18,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:16:18,900 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-13 00:16:21,122 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:16:21,122 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 00:16:21,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:16:21 BoogieIcfgContainer [2021-10-13 00:16:21,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:16:21,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:16:21,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:16:21,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:16:21,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:16:17" (1/3) ... [2021-10-13 00:16:21,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c262409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:16:21, skipping insertion in model container [2021-10-13 00:16:21,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:18" (2/3) ... [2021-10-13 00:16:21,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c262409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:16:21, skipping insertion in model container [2021-10-13 00:16:21,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:16:21" (3/3) ... [2021-10-13 00:16:21,134 INFO L111 eAbstractionObserver]: Analyzing ICFG mix007_power.oepc.i [2021-10-13 00:16:21,139 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-13 00:16:21,139 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:16:21,140 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-13 00:16:21,140 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-13 00:16:21,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,184 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,184 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,184 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,184 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,184 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,185 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,185 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,185 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,185 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,185 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,186 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,186 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,188 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,188 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,188 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,188 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,189 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,189 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,189 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,189 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,190 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,190 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,190 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,190 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,191 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,191 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,191 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,191 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,195 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,195 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,196 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,196 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,196 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,196 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,200 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,200 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,201 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,201 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,201 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,201 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,201 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,201 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,201 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,202 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,202 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,202 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,202 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,202 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,202 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,202 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,203 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,203 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,203 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,203 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,203 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,203 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,203 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,203 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,208 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,208 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,208 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,209 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,209 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,209 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,209 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,209 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,209 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,209 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,210 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,210 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,210 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,210 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,210 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,210 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,210 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,210 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,216 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,216 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,216 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,216 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,216 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,217 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,217 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,217 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,217 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,217 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,217 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,218 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,218 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,218 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,218 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,222 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,222 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,226 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,226 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,226 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,226 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,226 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,226 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,227 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,227 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,227 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,227 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,227 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,229 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,229 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,229 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,230 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,230 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,230 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,230 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,230 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,230 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,231 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,231 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,231 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,231 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,231 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,231 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,232 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,232 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,232 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,232 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,232 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,232 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,233 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,233 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,233 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,233 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,233 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,233 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,233 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,234 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,234 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,234 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,234 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,234 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,236 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,237 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:16:21,239 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-13 00:16:21,289 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:16:21,296 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:16:21,296 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-13 00:16:21,315 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-13 00:16:21,332 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 132 transitions, 284 flow [2021-10-13 00:16:21,335 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 132 transitions, 284 flow [2021-10-13 00:16:21,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 132 transitions, 284 flow [2021-10-13 00:16:21,424 INFO L129 PetriNetUnfolder]: 2/128 cut-off events. [2021-10-13 00:16:21,424 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-13 00:16:21,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 128 events. 2/128 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 76 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 88. Up to 2 conditions per place. [2021-10-13 00:16:21,437 INFO L116 LiptonReduction]: Number of co-enabled transitions 3224 [2021-10-13 00:16:28,695 INFO L131 LiptonReduction]: Checked pairs total: 9632 [2021-10-13 00:16:28,695 INFO L133 LiptonReduction]: Total number of compositions: 107 [2021-10-13 00:16:28,706 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 37 transitions, 94 flow [2021-10-13 00:16:29,156 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6194 states, 6191 states have (on average 4.212243579389436) internal successors, (26078), 6193 states have internal predecessors, (26078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:29,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 6194 states, 6191 states have (on average 4.212243579389436) internal successors, (26078), 6193 states have internal predecessors, (26078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:29,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 00:16:29,218 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:16:29,219 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-13 00:16:29,220 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:16:29,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:29,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1255614, now seen corresponding path program 1 times [2021-10-13 00:16:29,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:29,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127320362] [2021-10-13 00:16:29,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:29,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:16:29,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:16:29,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:16:29,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127320362] [2021-10-13 00:16:29,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127320362] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:16:29,616 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:16:29,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 00:16:29,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101028676] [2021-10-13 00:16:29,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:16:29,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:16:29,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:16:29,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:16:29,678 INFO L87 Difference]: Start difference. First operand has 6194 states, 6191 states have (on average 4.212243579389436) internal successors, (26078), 6193 states have internal predecessors, (26078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:29,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:16:29,910 INFO L93 Difference]: Finished difference Result 5042 states and 20104 transitions. [2021-10-13 00:16:29,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:16:29,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-10-13 00:16:29,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:16:30,021 INFO L225 Difference]: With dead ends: 5042 [2021-10-13 00:16:30,021 INFO L226 Difference]: Without dead ends: 4862 [2021-10-13 00:16:30,022 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:16:30,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4862 states. [2021-10-13 00:16:30,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4862 to 4862. [2021-10-13 00:16:30,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4862 states, 4861 states have (on average 4.007405883563053) internal successors, (19480), 4861 states have internal predecessors, (19480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:30,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4862 states to 4862 states and 19480 transitions. [2021-10-13 00:16:30,657 INFO L78 Accepts]: Start accepts. Automaton has 4862 states and 19480 transitions. Word has length 3 [2021-10-13 00:16:30,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:16:30,657 INFO L470 AbstractCegarLoop]: Abstraction has 4862 states and 19480 transitions. [2021-10-13 00:16:30,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:30,659 INFO L276 IsEmpty]: Start isEmpty. Operand 4862 states and 19480 transitions. [2021-10-13 00:16:30,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 00:16:30,664 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:16:30,665 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:16:30,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:16:30,665 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:16:30,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:30,666 INFO L82 PathProgramCache]: Analyzing trace with hash -2024164328, now seen corresponding path program 1 times [2021-10-13 00:16:30,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:30,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4905129] [2021-10-13 00:16:30,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:30,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:16:30,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:16:30,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:16:30,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4905129] [2021-10-13 00:16:30,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4905129] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:16:30,947 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:16:30,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:16:30,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135713346] [2021-10-13 00:16:30,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:16:30,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:16:30,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:16:30,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:16:30,950 INFO L87 Difference]: Start difference. First operand 4862 states and 19480 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:31,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:16:31,350 INFO L93 Difference]: Finished difference Result 9076 states and 34840 transitions. [2021-10-13 00:16:31,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:16:31,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-13 00:16:31,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:16:31,464 INFO L225 Difference]: With dead ends: 9076 [2021-10-13 00:16:31,464 INFO L226 Difference]: Without dead ends: 7405 [2021-10-13 00:16:31,465 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:16:31,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7405 states. [2021-10-13 00:16:31,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7405 to 6349. [2021-10-13 00:16:31,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6349 states, 6348 states have (on average 3.9365154379332075) internal successors, (24989), 6348 states have internal predecessors, (24989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6349 states to 6349 states and 24989 transitions. [2021-10-13 00:16:32,105 INFO L78 Accepts]: Start accepts. Automaton has 6349 states and 24989 transitions. Word has length 12 [2021-10-13 00:16:32,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:16:32,106 INFO L470 AbstractCegarLoop]: Abstraction has 6349 states and 24989 transitions. [2021-10-13 00:16:32,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:32,106 INFO L276 IsEmpty]: Start isEmpty. Operand 6349 states and 24989 transitions. [2021-10-13 00:16:32,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 00:16:32,112 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:16:32,112 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:16:32,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:16:32,113 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:16:32,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:32,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1044774180, now seen corresponding path program 1 times [2021-10-13 00:16:32,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:32,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392791752] [2021-10-13 00:16:32,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:32,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:16:32,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:16:32,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:16:32,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392791752] [2021-10-13 00:16:32,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392791752] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:16:32,290 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:16:32,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:16:32,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831480257] [2021-10-13 00:16:32,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:16:32,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:16:32,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:16:32,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:16:32,297 INFO L87 Difference]: Start difference. First operand 6349 states and 24989 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:32,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:16:32,566 INFO L93 Difference]: Finished difference Result 7685 states and 29095 transitions. [2021-10-13 00:16:32,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:16:32,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-13 00:16:32,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:16:32,616 INFO L225 Difference]: With dead ends: 7685 [2021-10-13 00:16:32,617 INFO L226 Difference]: Without dead ends: 6509 [2021-10-13 00:16:32,617 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 46.5ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:16:32,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6509 states. [2021-10-13 00:16:33,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6509 to 5099. [2021-10-13 00:16:33,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5099 states, 5098 states have (on average 3.9119262455865047) internal successors, (19943), 5098 states have internal predecessors, (19943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:33,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5099 states to 5099 states and 19943 transitions. [2021-10-13 00:16:33,131 INFO L78 Accepts]: Start accepts. Automaton has 5099 states and 19943 transitions. Word has length 13 [2021-10-13 00:16:33,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:16:33,143 INFO L470 AbstractCegarLoop]: Abstraction has 5099 states and 19943 transitions. [2021-10-13 00:16:33,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:33,144 INFO L276 IsEmpty]: Start isEmpty. Operand 5099 states and 19943 transitions. [2021-10-13 00:16:33,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 00:16:33,149 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:16:33,149 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:16:33,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:16:33,150 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:16:33,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:33,151 INFO L82 PathProgramCache]: Analyzing trace with hash 398545033, now seen corresponding path program 1 times [2021-10-13 00:16:33,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:33,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416219817] [2021-10-13 00:16:33,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:33,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:16:33,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:16:33,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:16:33,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416219817] [2021-10-13 00:16:33,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416219817] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:16:33,362 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:16:33,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:16:33,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657768574] [2021-10-13 00:16:33,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:16:33,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:16:33,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:16:33,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:16:33,363 INFO L87 Difference]: Start difference. First operand 5099 states and 19943 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:33,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:16:33,630 INFO L93 Difference]: Finished difference Result 7263 states and 27293 transitions. [2021-10-13 00:16:33,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:16:33,631 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-13 00:16:33,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:16:33,678 INFO L225 Difference]: With dead ends: 7263 [2021-10-13 00:16:33,678 INFO L226 Difference]: Without dead ends: 6309 [2021-10-13 00:16:33,679 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 76.3ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:16:33,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6309 states. [2021-10-13 00:16:34,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6309 to 5019. [2021-10-13 00:16:34,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5019 states, 5018 states have (on average 3.90175368672778) internal successors, (19579), 5018 states have internal predecessors, (19579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:34,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5019 states to 5019 states and 19579 transitions. [2021-10-13 00:16:34,227 INFO L78 Accepts]: Start accepts. Automaton has 5019 states and 19579 transitions. Word has length 14 [2021-10-13 00:16:34,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:16:34,228 INFO L470 AbstractCegarLoop]: Abstraction has 5019 states and 19579 transitions. [2021-10-13 00:16:34,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:34,228 INFO L276 IsEmpty]: Start isEmpty. Operand 5019 states and 19579 transitions. [2021-10-13 00:16:34,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 00:16:34,233 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:16:34,234 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:16:34,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:16:34,235 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:16:34,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:34,236 INFO L82 PathProgramCache]: Analyzing trace with hash -994081131, now seen corresponding path program 1 times [2021-10-13 00:16:34,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:34,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808893038] [2021-10-13 00:16:34,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:34,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:16:34,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:16:34,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:16:34,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808893038] [2021-10-13 00:16:34,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808893038] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:16:34,345 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:16:34,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:16:34,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039362669] [2021-10-13 00:16:34,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:16:34,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:16:34,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:16:34,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:16:34,348 INFO L87 Difference]: Start difference. First operand 5019 states and 19579 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:34,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:16:34,418 INFO L93 Difference]: Finished difference Result 5259 states and 20131 transitions. [2021-10-13 00:16:34,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:16:34,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-13 00:16:34,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:16:34,444 INFO L225 Difference]: With dead ends: 5259 [2021-10-13 00:16:34,445 INFO L226 Difference]: Without dead ends: 4699 [2021-10-13 00:16:34,445 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:16:34,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4699 states. [2021-10-13 00:16:34,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4699 to 4339. [2021-10-13 00:16:34,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4339 states, 4338 states have (on average 3.8739050253573075) internal successors, (16805), 4338 states have internal predecessors, (16805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:34,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4339 states to 4339 states and 16805 transitions. [2021-10-13 00:16:34,736 INFO L78 Accepts]: Start accepts. Automaton has 4339 states and 16805 transitions. Word has length 15 [2021-10-13 00:16:34,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:16:34,736 INFO L470 AbstractCegarLoop]: Abstraction has 4339 states and 16805 transitions. [2021-10-13 00:16:34,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:34,737 INFO L276 IsEmpty]: Start isEmpty. Operand 4339 states and 16805 transitions. [2021-10-13 00:16:34,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 00:16:34,743 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:16:34,743 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:16:34,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:16:34,744 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:16:34,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:34,744 INFO L82 PathProgramCache]: Analyzing trace with hash -142733875, now seen corresponding path program 1 times [2021-10-13 00:16:34,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:34,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335592378] [2021-10-13 00:16:34,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:34,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:16:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:16:34,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:16:34,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335592378] [2021-10-13 00:16:34,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335592378] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:16:34,824 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:16:34,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:16:34,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873391486] [2021-10-13 00:16:34,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:16:34,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:16:34,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:16:34,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:16:34,827 INFO L87 Difference]: Start difference. First operand 4339 states and 16805 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:34,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:16:34,903 INFO L93 Difference]: Finished difference Result 4198 states and 14686 transitions. [2021-10-13 00:16:34,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:16:34,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 00:16:34,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:16:34,927 INFO L225 Difference]: With dead ends: 4198 [2021-10-13 00:16:34,927 INFO L226 Difference]: Without dead ends: 3139 [2021-10-13 00:16:34,928 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:16:34,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3139 states. [2021-10-13 00:16:35,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3139 to 3139. [2021-10-13 00:16:35,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3139 states, 3138 states have (on average 3.448374760994264) internal successors, (10821), 3138 states have internal predecessors, (10821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:35,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 3139 states and 10821 transitions. [2021-10-13 00:16:35,167 INFO L78 Accepts]: Start accepts. Automaton has 3139 states and 10821 transitions. Word has length 16 [2021-10-13 00:16:35,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:16:35,167 INFO L470 AbstractCegarLoop]: Abstraction has 3139 states and 10821 transitions. [2021-10-13 00:16:35,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:35,168 INFO L276 IsEmpty]: Start isEmpty. Operand 3139 states and 10821 transitions. [2021-10-13 00:16:35,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 00:16:35,176 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:16:35,177 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:16:35,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 00:16:35,177 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:16:35,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:35,178 INFO L82 PathProgramCache]: Analyzing trace with hash -175202577, now seen corresponding path program 1 times [2021-10-13 00:16:35,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:35,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702686234] [2021-10-13 00:16:35,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:35,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:16:35,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:16:35,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:16:35,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702686234] [2021-10-13 00:16:35,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702686234] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:16:35,346 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:16:35,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:16:35,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318921312] [2021-10-13 00:16:35,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:16:35,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:16:35,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:16:35,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:16:35,349 INFO L87 Difference]: Start difference. First operand 3139 states and 10821 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:35,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:16:35,437 INFO L93 Difference]: Finished difference Result 2546 states and 8084 transitions. [2021-10-13 00:16:35,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:16:35,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-13 00:16:35,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:16:35,460 INFO L225 Difference]: With dead ends: 2546 [2021-10-13 00:16:35,461 INFO L226 Difference]: Without dead ends: 1943 [2021-10-13 00:16:35,462 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 18.1ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:16:35,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1943 states. [2021-10-13 00:16:35,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1943 to 1937. [2021-10-13 00:16:35,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1937 states, 1936 states have (on average 3.1193181818181817) internal successors, (6039), 1936 states have internal predecessors, (6039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:35,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1937 states and 6039 transitions. [2021-10-13 00:16:35,551 INFO L78 Accepts]: Start accepts. Automaton has 1937 states and 6039 transitions. Word has length 19 [2021-10-13 00:16:35,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:16:35,552 INFO L470 AbstractCegarLoop]: Abstraction has 1937 states and 6039 transitions. [2021-10-13 00:16:35,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:35,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 6039 transitions. [2021-10-13 00:16:35,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 00:16:35,561 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:16:35,562 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:16:35,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 00:16:35,563 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:16:35,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:35,565 INFO L82 PathProgramCache]: Analyzing trace with hash -306634218, now seen corresponding path program 1 times [2021-10-13 00:16:35,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:35,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917060053] [2021-10-13 00:16:35,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:35,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:16:35,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:16:35,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:16:35,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917060053] [2021-10-13 00:16:35,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917060053] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:16:35,719 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:16:35,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:16:35,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881767066] [2021-10-13 00:16:35,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:16:35,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:16:35,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:16:35,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:16:35,721 INFO L87 Difference]: Start difference. First operand 1937 states and 6039 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:35,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:16:35,782 INFO L93 Difference]: Finished difference Result 1664 states and 5178 transitions. [2021-10-13 00:16:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:16:35,783 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-13 00:16:35,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:16:35,790 INFO L225 Difference]: With dead ends: 1664 [2021-10-13 00:16:35,791 INFO L226 Difference]: Without dead ends: 1491 [2021-10-13 00:16:35,791 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 18.1ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:16:35,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2021-10-13 00:16:35,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1446. [2021-10-13 00:16:35,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1446 states, 1445 states have (on average 3.157785467128028) internal successors, (4563), 1445 states have internal predecessors, (4563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:35,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 4563 transitions. [2021-10-13 00:16:35,841 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 4563 transitions. Word has length 22 [2021-10-13 00:16:35,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:16:35,842 INFO L470 AbstractCegarLoop]: Abstraction has 1446 states and 4563 transitions. [2021-10-13 00:16:35,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:35,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 4563 transitions. [2021-10-13 00:16:35,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 00:16:35,848 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:16:35,848 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:16:35,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 00:16:35,849 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:16:35,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:35,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1796400206, now seen corresponding path program 1 times [2021-10-13 00:16:35,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:35,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428450904] [2021-10-13 00:16:35,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:35,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:16:36,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:16:36,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:16:36,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428450904] [2021-10-13 00:16:36,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428450904] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:16:36,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:16:36,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:16:36,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62949358] [2021-10-13 00:16:36,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 00:16:36,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:16:36,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 00:16:36,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:16:36,111 INFO L87 Difference]: Start difference. First operand 1446 states and 4563 transitions. Second operand has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:36,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:16:36,392 INFO L93 Difference]: Finished difference Result 2212 states and 6670 transitions. [2021-10-13 00:16:36,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 00:16:36,393 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 00:16:36,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:16:36,400 INFO L225 Difference]: With dead ends: 2212 [2021-10-13 00:16:36,401 INFO L226 Difference]: Without dead ends: 1893 [2021-10-13 00:16:36,401 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 88.1ms TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-10-13 00:16:36,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1893 states. [2021-10-13 00:16:36,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1893 to 1705. [2021-10-13 00:16:36,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1705 states, 1704 states have (on average 3.0991784037558685) internal successors, (5281), 1704 states have internal predecessors, (5281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:36,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 5281 transitions. [2021-10-13 00:16:36,452 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 5281 transitions. Word has length 26 [2021-10-13 00:16:36,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:16:36,453 INFO L470 AbstractCegarLoop]: Abstraction has 1705 states and 5281 transitions. [2021-10-13 00:16:36,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:36,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 5281 transitions. [2021-10-13 00:16:36,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 00:16:36,459 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:16:36,459 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:16:36,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 00:16:36,460 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:16:36,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:36,460 INFO L82 PathProgramCache]: Analyzing trace with hash -142026468, now seen corresponding path program 2 times [2021-10-13 00:16:36,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:36,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300995662] [2021-10-13 00:16:36,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:36,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:16:36,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:16:36,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:16:36,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300995662] [2021-10-13 00:16:36,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300995662] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:16:36,583 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:16:36,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:16:36,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330187854] [2021-10-13 00:16:36,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 00:16:36,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:16:36,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:16:36,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:16:36,585 INFO L87 Difference]: Start difference. First operand 1705 states and 5281 transitions. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:36,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:16:36,642 INFO L93 Difference]: Finished difference Result 1656 states and 5179 transitions. [2021-10-13 00:16:36,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 00:16:36,643 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 00:16:36,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:16:36,649 INFO L225 Difference]: With dead ends: 1656 [2021-10-13 00:16:36,649 INFO L226 Difference]: Without dead ends: 1448 [2021-10-13 00:16:36,649 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 22.0ms TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:16:36,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1448 states. [2021-10-13 00:16:36,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1448 to 1340. [2021-10-13 00:16:36,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 1339 states have (on average 3.166542195668409) internal successors, (4240), 1339 states have internal predecessors, (4240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:36,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 4240 transitions. [2021-10-13 00:16:36,684 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 4240 transitions. Word has length 26 [2021-10-13 00:16:36,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:16:36,685 INFO L470 AbstractCegarLoop]: Abstraction has 1340 states and 4240 transitions. [2021-10-13 00:16:36,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:36,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 4240 transitions. [2021-10-13 00:16:36,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 00:16:36,690 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:16:36,690 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:16:36,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 00:16:36,691 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:16:36,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:36,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1136238283, now seen corresponding path program 1 times [2021-10-13 00:16:36,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:36,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375507119] [2021-10-13 00:16:36,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:36,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:16:36,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:16:36,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:16:36,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375507119] [2021-10-13 00:16:36,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375507119] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:16:36,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:16:36,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:16:36,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159933057] [2021-10-13 00:16:36,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:16:36,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:16:36,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:16:36,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:16:36,854 INFO L87 Difference]: Start difference. First operand 1340 states and 4240 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:36,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:16:36,906 INFO L93 Difference]: Finished difference Result 2043 states and 6398 transitions. [2021-10-13 00:16:36,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:16:36,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-10-13 00:16:36,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:16:36,911 INFO L225 Difference]: With dead ends: 2043 [2021-10-13 00:16:36,911 INFO L226 Difference]: Without dead ends: 994 [2021-10-13 00:16:36,911 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 21.7ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:16:36,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2021-10-13 00:16:36,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 994. [2021-10-13 00:16:36,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 993 states have (on average 3.015105740181269) internal successors, (2994), 993 states have internal predecessors, (2994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:36,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 2994 transitions. [2021-10-13 00:16:36,944 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 2994 transitions. Word has length 30 [2021-10-13 00:16:36,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:16:36,945 INFO L470 AbstractCegarLoop]: Abstraction has 994 states and 2994 transitions. [2021-10-13 00:16:36,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:36,945 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 2994 transitions. [2021-10-13 00:16:36,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 00:16:36,949 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:16:36,950 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:16:36,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 00:16:36,950 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:16:36,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:36,951 INFO L82 PathProgramCache]: Analyzing trace with hash 872860717, now seen corresponding path program 2 times [2021-10-13 00:16:36,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:36,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948196409] [2021-10-13 00:16:36,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:36,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:16:37,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:16:37,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:16:37,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948196409] [2021-10-13 00:16:37,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948196409] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:16:37,057 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:16:37,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:16:37,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310640530] [2021-10-13 00:16:37,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:16:37,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:16:37,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:16:37,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:16:37,059 INFO L87 Difference]: Start difference. First operand 994 states and 2994 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:37,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:16:37,094 INFO L93 Difference]: Finished difference Result 1246 states and 3715 transitions. [2021-10-13 00:16:37,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:16:37,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-10-13 00:16:37,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:16:37,097 INFO L225 Difference]: With dead ends: 1246 [2021-10-13 00:16:37,097 INFO L226 Difference]: Without dead ends: 695 [2021-10-13 00:16:37,097 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:16:37,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2021-10-13 00:16:37,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 695. [2021-10-13 00:16:37,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 694 states have (on average 2.881844380403458) internal successors, (2000), 694 states have internal predecessors, (2000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:37,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 2000 transitions. [2021-10-13 00:16:37,115 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 2000 transitions. Word has length 30 [2021-10-13 00:16:37,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:16:37,116 INFO L470 AbstractCegarLoop]: Abstraction has 695 states and 2000 transitions. [2021-10-13 00:16:37,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:37,116 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 2000 transitions. [2021-10-13 00:16:37,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 00:16:37,118 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:16:37,119 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:16:37,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 00:16:37,119 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:16:37,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:37,120 INFO L82 PathProgramCache]: Analyzing trace with hash 93206635, now seen corresponding path program 3 times [2021-10-13 00:16:37,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:37,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105622118] [2021-10-13 00:16:37,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:37,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:16:37,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:16:37,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:16:37,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105622118] [2021-10-13 00:16:37,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105622118] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:16:37,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:16:37,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 00:16:37,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103198621] [2021-10-13 00:16:37,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 00:16:37,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:16:37,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 00:16:37,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:16:37,367 INFO L87 Difference]: Start difference. First operand 695 states and 2000 transitions. Second operand has 9 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:37,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:16:37,665 INFO L93 Difference]: Finished difference Result 734 states and 2087 transitions. [2021-10-13 00:16:37,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 00:16:37,666 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-10-13 00:16:37,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:16:37,668 INFO L225 Difference]: With dead ends: 734 [2021-10-13 00:16:37,668 INFO L226 Difference]: Without dead ends: 515 [2021-10-13 00:16:37,669 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 156.0ms TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-10-13 00:16:37,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-10-13 00:16:37,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 411. [2021-10-13 00:16:37,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 2.824390243902439) internal successors, (1158), 410 states have internal predecessors, (1158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:37,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 1158 transitions. [2021-10-13 00:16:37,683 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 1158 transitions. Word has length 30 [2021-10-13 00:16:37,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:16:37,683 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 1158 transitions. [2021-10-13 00:16:37,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:16:37,684 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 1158 transitions. [2021-10-13 00:16:37,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 00:16:37,686 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:16:37,686 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:16:37,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-13 00:16:37,687 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:16:37,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:37,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1456236935, now seen corresponding path program 4 times [2021-10-13 00:16:37,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:37,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840120806] [2021-10-13 00:16:37,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:37,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:16:37,775 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:16:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:16:37,989 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:16:37,990 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:16:37,991 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:16:37,993 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:16:37,994 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-13 00:16:37,994 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-13 00:16:37,994 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-13 00:16:37,995 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-13 00:16:37,995 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:16:37,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-13 00:16:38,003 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-13 00:16:38,004 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:16:38,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:16:38 BasicIcfg [2021-10-13 00:16:38,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:16:38,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:16:38,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:16:38,198 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:16:38,198 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:16:21" (3/4) ... [2021-10-13 00:16:38,200 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 00:16:38,394 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:16:38,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:16:38,397 INFO L168 Benchmark]: Toolchain (without parser) took 20426.84 ms. Allocated memory was 123.7 MB in the beginning and 943.7 MB in the end (delta: 820.0 MB). Free memory was 83.0 MB in the beginning and 679.8 MB in the end (delta: -596.8 MB). Peak memory consumption was 221.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:38,397 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 123.7 MB. Free memory was 101.1 MB in the beginning and 100.9 MB in the end (delta: 119.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:16:38,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.04 ms. Allocated memory is still 123.7 MB. Free memory was 82.9 MB in the beginning and 82.3 MB in the end (delta: 631.3 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:38,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.22 ms. Allocated memory is still 123.7 MB. Free memory was 82.3 MB in the beginning and 79.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:38,402 INFO L168 Benchmark]: Boogie Preprocessor took 77.13 ms. Allocated memory is still 123.7 MB. Free memory was 79.7 MB in the beginning and 77.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:38,402 INFO L168 Benchmark]: RCFGBuilder took 2323.59 ms. Allocated memory was 123.7 MB in the beginning and 174.1 MB in the end (delta: 50.3 MB). Free memory was 77.0 MB in the beginning and 136.4 MB in the end (delta: -59.4 MB). Peak memory consumption was 68.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:38,403 INFO L168 Benchmark]: TraceAbstraction took 17070.13 ms. Allocated memory was 174.1 MB in the beginning and 943.7 MB in the end (delta: 769.7 MB). Free memory was 136.4 MB in the beginning and 707.1 MB in the end (delta: -570.6 MB). Peak memory consumption was 364.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:38,403 INFO L168 Benchmark]: Witness Printer took 197.43 ms. Allocated memory is still 943.7 MB. Free memory was 707.1 MB in the beginning and 679.8 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:38,406 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 123.7 MB. Free memory was 101.1 MB in the beginning and 100.9 MB in the end (delta: 119.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 647.04 ms. Allocated memory is still 123.7 MB. Free memory was 82.9 MB in the beginning and 82.3 MB in the end (delta: 631.3 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.22 ms. Allocated memory is still 123.7 MB. Free memory was 82.3 MB in the beginning and 79.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.13 ms. Allocated memory is still 123.7 MB. Free memory was 79.7 MB in the beginning and 77.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2323.59 ms. Allocated memory was 123.7 MB in the beginning and 174.1 MB in the end (delta: 50.3 MB). Free memory was 77.0 MB in the beginning and 136.4 MB in the end (delta: -59.4 MB). Peak memory consumption was 68.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17070.13 ms. Allocated memory was 174.1 MB in the beginning and 943.7 MB in the end (delta: 769.7 MB). Free memory was 136.4 MB in the beginning and 707.1 MB in the end (delta: -570.6 MB). Peak memory consumption was 364.8 MB. Max. memory is 16.1 GB. * Witness Printer took 197.43 ms. Allocated memory is still 943.7 MB. Free memory was 707.1 MB in the beginning and 679.8 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7361.0ms, 143 PlacesBefore, 49 PlacesAfterwards, 132 TransitionsBefore, 37 TransitionsAfterwards, 3224 CoEnabledTransitionPairs, 7 FixpointIterations, 44 TrivialSequentialCompositions, 54 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 107 TotalNumberOfCompositions, 9632 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3914, positive: 3667, positive conditional: 0, positive unconditional: 3667, negative: 247, negative conditional: 0, negative unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2119, positive: 2060, positive conditional: 0, positive unconditional: 2060, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2119, positive: 2036, positive conditional: 0, positive unconditional: 2036, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 83, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 454, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 415, negative conditional: 0, negative unconditional: 415, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3914, positive: 1607, positive conditional: 0, positive unconditional: 1607, negative: 188, negative conditional: 0, negative unconditional: 188, unknown: 2119, unknown conditional: 0, unknown unconditional: 2119] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 210, Positive conditional cache size: 0, Positive unconditional cache size: 210, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L718] 0 int __unbuffered_p3_EAX = 0; [L720] 0 int __unbuffered_p3_EBX = 0; [L722] 0 int a = 0; [L723] 0 _Bool a$flush_delayed; [L724] 0 int a$mem_tmp; [L725] 0 _Bool a$r_buff0_thd0; [L726] 0 _Bool a$r_buff0_thd1; [L727] 0 _Bool a$r_buff0_thd2; [L728] 0 _Bool a$r_buff0_thd3; [L729] 0 _Bool a$r_buff0_thd4; [L730] 0 _Bool a$r_buff1_thd0; [L731] 0 _Bool a$r_buff1_thd1; [L732] 0 _Bool a$r_buff1_thd2; [L733] 0 _Bool a$r_buff1_thd3; [L734] 0 _Bool a$r_buff1_thd4; [L735] 0 _Bool a$read_delayed; [L736] 0 int *a$read_delayed_var; [L737] 0 int a$w_buff0; [L738] 0 _Bool a$w_buff0_used; [L739] 0 int a$w_buff1; [L740] 0 _Bool a$w_buff1_used; [L741] 0 _Bool main$tmp_guard0; [L742] 0 _Bool main$tmp_guard1; [L744] 0 int x = 0; [L746] 0 int y = 0; [L748] 0 int z = 0; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L871] 0 pthread_t t177; [L872] FCALL, FORK 0 pthread_create(&t177, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L754] 1 a$w_buff1 = a$w_buff0 [L755] 1 a$w_buff0 = 1 [L756] 1 a$w_buff1_used = a$w_buff0_used [L757] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L759] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L760] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L761] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L762] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L763] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L764] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L873] 0 pthread_t t178; [L767] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L874] FCALL, FORK 0 pthread_create(&t178, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L875] 0 pthread_t t179; [L876] FCALL, FORK 0 pthread_create(&t179, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L877] 0 pthread_t t180; [L878] FCALL, FORK 0 pthread_create(&t180, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L784] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L787] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L790] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L790] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L790] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L790] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L791] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L791] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L792] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L793] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L793] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L794] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L794] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L804] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L797] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L799] 2 return 0; [L807] 3 __unbuffered_p2_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L810] 3 __unbuffered_p2_EBX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L813] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L813] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L813] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L813] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L814] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L814] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L815] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L816] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L816] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L817] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L817] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L820] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L822] 3 return 0; [L827] 4 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L830] 4 __unbuffered_p3_EAX = z VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L833] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L834] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L835] 4 a$flush_delayed = weak$$choice2 [L836] 4 a$mem_tmp = a [L837] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L837] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L838] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L838] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L838] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L838] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L839] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L839] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L839] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L839] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L840] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L840] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L840] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L840] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L841] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L841] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L842] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L842] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L842] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L842] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L843] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L843] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L844] 4 __unbuffered_p3_EBX = a [L845] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L845] 4 a = a$flush_delayed ? a$mem_tmp : a [L846] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] [L849] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L849] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L849] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L849] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L850] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L850] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L851] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L851] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L852] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L852] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L853] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L853] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L856] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L858] 4 return 0; [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L770] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L771] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L771] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L772] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L773] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L773] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L774] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L774] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; [L880] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L884] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L884] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L884] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L884] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L885] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L885] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L886] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L886] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L887] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L887] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L888] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L888] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L891] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 876]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 874]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 872]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 170 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 16712.9ms, OverallIterations: 14, TraceHistogramMax: 1, EmptinessCheckTime: 130.9ms, AutomataDifference: 2691.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7860.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 630 SDtfs, 830 SDslu, 1438 SDs, 0 SdLazy, 495 SolverSat, 96 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 746.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 539.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=6349occurred in iteration=2, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 3136.2ms AutomataMinimizationTime, 13 MinimizatonAttempts, 4567 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 81.2ms SsaConstructionTime, 764.0ms SatisfiabilityAnalysisTime, 1404.1ms InterpolantComputationTime, 286 NumberOfCodeBlocks, 286 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 243 ConstructedInterpolants, 0 QuantifiedInterpolants, 1673 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-13 00:16:38,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1986f047-021c-473f-9895-0069792aca0f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...