./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix041_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638476-de8a-4392-8034-944b5a143f4a/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638476-de8a-4392-8034-944b5a143f4a/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638476-de8a-4392-8034-944b5a143f4a/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638476-de8a-4392-8034-944b5a143f4a/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix041_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638476-de8a-4392-8034-944b5a143f4a/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638476-de8a-4392-8034-944b5a143f4a/bin/uautomizer-DQz5hQGWxF --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 8a4342b982522a964cfb4ed0b81a3c247fa38eb769cbb37584570f60425c66cb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:57:10,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:57:10,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:57:10,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:57:10,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:57:10,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:57:10,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:57:10,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:57:10,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:57:10,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:57:10,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:57:10,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:57:10,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:57:10,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:57:10,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:57:10,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:57:10,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:57:10,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:57:10,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:57:10,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:57:10,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:57:10,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:57:10,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:57:10,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:57:10,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:57:10,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:57:10,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:57:10,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:57:10,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:57:10,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:57:10,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:57:10,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:57:10,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:57:10,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:57:10,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:57:10,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:57:10,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:57:10,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:57:10,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:57:10,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:57:10,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:57:10,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638476-de8a-4392-8034-944b5a143f4a/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:57:10,223 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:57:10,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:57:10,224 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:57:10,224 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:57:10,225 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:57:10,225 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:57:10,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:57:10,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:57:10,227 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:57:10,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:57:10,228 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:57:10,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:57:10,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:57:10,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:57:10,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:57:10,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:57:10,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:57:10,230 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:57:10,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:57:10,230 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:57:10,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:57:10,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:57:10,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:57:10,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:57:10,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:57:10,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:57:10,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:57:10,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:57:10,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:57:10,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:57:10,234 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:57:10,234 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:57:10,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:57:10,235 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:57:10,235 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_3b638476-de8a-4392-8034-944b5a143f4a/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638476-de8a-4392-8034-944b5a143f4a/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a4342b982522a964cfb4ed0b81a3c247fa38eb769cbb37584570f60425c66cb [2021-11-20 06:57:10,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:57:10,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:57:10,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:57:10,638 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:57:10,639 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:57:10,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638476-de8a-4392-8034-944b5a143f4a/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/pthread-wmm/mix041_power.oepc_pso.oepc_rmo.oepc.i [2021-11-20 06:57:10,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638476-de8a-4392-8034-944b5a143f4a/bin/uautomizer-DQz5hQGWxF/data/ff09c0933/50369e6b9a4246f294717c93b951a109/FLAG2f09372ee [2021-11-20 06:57:11,527 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:57:11,528 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638476-de8a-4392-8034-944b5a143f4a/sv-benchmarks/c/pthread-wmm/mix041_power.oepc_pso.oepc_rmo.oepc.i [2021-11-20 06:57:11,551 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638476-de8a-4392-8034-944b5a143f4a/bin/uautomizer-DQz5hQGWxF/data/ff09c0933/50369e6b9a4246f294717c93b951a109/FLAG2f09372ee [2021-11-20 06:57:11,774 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638476-de8a-4392-8034-944b5a143f4a/bin/uautomizer-DQz5hQGWxF/data/ff09c0933/50369e6b9a4246f294717c93b951a109 [2021-11-20 06:57:11,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:57:11,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:57:11,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:57:11,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:57:11,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:57:11,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:57:11" (1/1) ... [2021-11-20 06:57:11,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485f7b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:11, skipping insertion in model container [2021-11-20 06:57:11,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:57:11" (1/1) ... [2021-11-20 06:57:11,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:57:11,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:57:12,154 WARN L230 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_3b638476-de8a-4392-8034-944b5a143f4a/sv-benchmarks/c/pthread-wmm/mix041_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-11-20 06:57:12,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:57:12,494 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:57:12,511 WARN L230 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_3b638476-de8a-4392-8034-944b5a143f4a/sv-benchmarks/c/pthread-wmm/mix041_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-11-20 06:57:12,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:57:12,649 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:57:12,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:12 WrapperNode [2021-11-20 06:57:12,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:57:12,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:57:12,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:57:12,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:57:12,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:12" (1/1) ... [2021-11-20 06:57:12,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:12" (1/1) ... [2021-11-20 06:57:12,724 INFO L137 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 162 [2021-11-20 06:57:12,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:57:12,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:57:12,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:57:12,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:57:12,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:12" (1/1) ... [2021-11-20 06:57:12,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:12" (1/1) ... [2021-11-20 06:57:12,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:12" (1/1) ... [2021-11-20 06:57:12,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:12" (1/1) ... [2021-11-20 06:57:12,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:12" (1/1) ... [2021-11-20 06:57:12,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:12" (1/1) ... [2021-11-20 06:57:12,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:12" (1/1) ... [2021-11-20 06:57:12,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:57:12,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:57:12,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:57:12,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:57:12,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:12" (1/1) ... [2021-11-20 06:57:12,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:57:12,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638476-de8a-4392-8034-944b5a143f4a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:12,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638476-de8a-4392-8034-944b5a143f4a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:12,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638476-de8a-4392-8034-944b5a143f4a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:57:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:57:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-20 06:57:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:57:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:57:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:57:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-20 06:57:12,934 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-20 06:57:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-20 06:57:12,935 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-20 06:57:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:57:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-20 06:57:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:57:12,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:57:12,939 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 06:57:13,213 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:57:13,229 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:57:13,935 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:57:14,442 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:57:14,443 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 06:57:14,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:57:14 BoogieIcfgContainer [2021-11-20 06:57:14,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:57:14,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:57:14,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:57:14,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:57:14,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:57:11" (1/3) ... [2021-11-20 06:57:14,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248aca91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:57:14, skipping insertion in model container [2021-11-20 06:57:14,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:12" (2/3) ... [2021-11-20 06:57:14,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248aca91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:57:14, skipping insertion in model container [2021-11-20 06:57:14,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:57:14" (3/3) ... [2021-11-20 06:57:14,460 INFO L111 eAbstractionObserver]: Analyzing ICFG mix041_power.oepc_pso.oepc_rmo.oepc.i [2021-11-20 06:57:14,467 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 06:57:14,467 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:57:14,467 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 06:57:14,468 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 06:57:14,523 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,524 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,524 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,524 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,524 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,525 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,525 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,526 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,526 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,526 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,527 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,527 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,528 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,528 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,529 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,529 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,531 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,533 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,534 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,534 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,534 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,535 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,535 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,535 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,536 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,536 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,537 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,537 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,538 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,538 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,538 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,538 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,539 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,539 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,539 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,539 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,540 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,540 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,540 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,541 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,541 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,541 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,542 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,542 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,542 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,543 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,543 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,543 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,543 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,543 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,544 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,544 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,544 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,544 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,545 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,545 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,545 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,545 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,545 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,545 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,545 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,545 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,546 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,546 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,546 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,546 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,546 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,546 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,547 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,547 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,547 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,547 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,547 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,548 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,557 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,558 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,561 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,562 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,564 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,564 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,564 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,565 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,571 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,572 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,572 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,572 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,572 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,573 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,573 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,578 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,579 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,579 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,579 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,580 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,580 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,580 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,580 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,581 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,581 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,581 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,581 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,581 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,582 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,582 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,582 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,582 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,583 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,583 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,583 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,592 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,592 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,593 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,593 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,593 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,593 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,594 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,594 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,594 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,595 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,595 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,595 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,595 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,596 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,596 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,597 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,597 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,597 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,601 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,604 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,604 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,604 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,605 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,605 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,605 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,605 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,606 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,606 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,606 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,607 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,608 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,608 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,609 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,610 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,610 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,610 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,611 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,613 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,614 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,614 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,614 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,615 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,615 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,615 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,616 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,616 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,616 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,616 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,617 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,617 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,617 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,617 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,618 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,618 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,618 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,618 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,619 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,619 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,620 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,620 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,620 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,620 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,621 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:57:14,621 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 06:57:14,707 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:57:14,720 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:57:14,720 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-20 06:57:14,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 98 transitions, 206 flow [2021-11-20 06:57:14,813 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-11-20 06:57:14,814 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:57:14,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2021-11-20 06:57:14,822 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 98 transitions, 206 flow [2021-11-20 06:57:14,829 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 96 transitions, 198 flow [2021-11-20 06:57:14,856 INFO L129 PetriNetUnfolder]: 0/44 cut-off events. [2021-11-20 06:57:14,860 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:57:14,860 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:57:14,861 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:57:14,862 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-20 06:57:14,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:14,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1583257966, now seen corresponding path program 1 times [2021-11-20 06:57:14,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:14,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316885568] [2021-11-20 06:57:14,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:14,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:15,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:57:15,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:57:15,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316885568] [2021-11-20 06:57:15,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316885568] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:57:15,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:57:15,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:57:15,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430744240] [2021-11-20 06:57:15,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:57:15,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:57:15,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:57:15,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:57:15,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:57:15,394 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 98 [2021-11-20 06:57:15,405 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 96 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:15,405 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:57:15,406 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 98 [2021-11-20 06:57:15,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:57:15,601 INFO L129 PetriNetUnfolder]: 18/179 cut-off events. [2021-11-20 06:57:15,601 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-20 06:57:15,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 179 events. 18/179 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 514 event pairs, 12 based on Foata normal form. 6/172 useless extension candidates. Maximal degree in co-relation 182. Up to 31 conditions per place. [2021-11-20 06:57:15,606 INFO L132 encePairwiseOnDemand]: 93/98 looper letters, 10 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2021-11-20 06:57:15,606 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 96 transitions, 225 flow [2021-11-20 06:57:15,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:57:15,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:57:15,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 275 transitions. [2021-11-20 06:57:15,624 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.935374149659864 [2021-11-20 06:57:15,625 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 275 transitions. [2021-11-20 06:57:15,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 275 transitions. [2021-11-20 06:57:15,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:57:15,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 275 transitions. [2021-11-20 06:57:15,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:15,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:15,644 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:15,647 INFO L186 Difference]: Start difference. First operand has 101 places, 96 transitions, 198 flow. Second operand 3 states and 275 transitions. [2021-11-20 06:57:15,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 96 transitions, 225 flow [2021-11-20 06:57:15,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 96 transitions, 222 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:57:15,657 INFO L242 Difference]: Finished difference. Result has 99 places, 92 transitions, 192 flow [2021-11-20 06:57:15,660 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=99, PETRI_TRANSITIONS=92} [2021-11-20 06:57:15,668 INFO L334 CegarLoopForPetriNet]: 101 programPoint places, -2 predicate places. [2021-11-20 06:57:15,669 INFO L470 AbstractCegarLoop]: Abstraction has has 99 places, 92 transitions, 192 flow [2021-11-20 06:57:15,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:15,670 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:57:15,670 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:57:15,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:57:15,671 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-20 06:57:15,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:15,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1136386308, now seen corresponding path program 1 times [2021-11-20 06:57:15,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:15,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280947257] [2021-11-20 06:57:15,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:15,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:16,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:57:16,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:57:16,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280947257] [2021-11-20 06:57:16,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280947257] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:57:16,020 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:57:16,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:57:16,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868241225] [2021-11-20 06:57:16,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:57:16,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:57:16,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:57:16,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:57:16,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:57:16,028 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 98 [2021-11-20 06:57:16,029 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 92 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 78.66666666666667) internal successors, (472), 6 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:16,029 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:57:16,030 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 98 [2021-11-20 06:57:16,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:57:16,683 INFO L129 PetriNetUnfolder]: 262/888 cut-off events. [2021-11-20 06:57:16,684 INFO L130 PetriNetUnfolder]: For 47/47 co-relation queries the response was YES. [2021-11-20 06:57:16,692 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1413 conditions, 888 events. 262/888 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 5655 event pairs, 96 based on Foata normal form. 0/853 useless extension candidates. Maximal degree in co-relation 1363. Up to 270 conditions per place. [2021-11-20 06:57:16,697 INFO L132 encePairwiseOnDemand]: 91/98 looper letters, 18 selfloop transitions, 3 changer transitions 46/133 dead transitions. [2021-11-20 06:57:16,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 133 transitions, 406 flow [2021-11-20 06:57:16,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:57:16,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 06:57:16,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 753 transitions. [2021-11-20 06:57:16,710 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8537414965986394 [2021-11-20 06:57:16,711 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 753 transitions. [2021-11-20 06:57:16,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 753 transitions. [2021-11-20 06:57:16,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:57:16,714 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 753 transitions. [2021-11-20 06:57:16,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 83.66666666666667) internal successors, (753), 9 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:16,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 98.0) internal successors, (980), 10 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:16,727 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 98.0) internal successors, (980), 10 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:16,727 INFO L186 Difference]: Start difference. First operand has 99 places, 92 transitions, 192 flow. Second operand 9 states and 753 transitions. [2021-11-20 06:57:16,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 133 transitions, 406 flow [2021-11-20 06:57:16,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 133 transitions, 388 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:57:16,734 INFO L242 Difference]: Finished difference. Result has 112 places, 84 transitions, 211 flow [2021-11-20 06:57:16,734 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=211, PETRI_PLACES=112, PETRI_TRANSITIONS=84} [2021-11-20 06:57:16,736 INFO L334 CegarLoopForPetriNet]: 101 programPoint places, 11 predicate places. [2021-11-20 06:57:16,736 INFO L470 AbstractCegarLoop]: Abstraction has has 112 places, 84 transitions, 211 flow [2021-11-20 06:57:16,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.66666666666667) internal successors, (472), 6 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:16,737 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:57:16,737 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:57:16,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:57:16,738 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-20 06:57:16,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:16,739 INFO L85 PathProgramCache]: Analyzing trace with hash -717747453, now seen corresponding path program 1 times [2021-11-20 06:57:16,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:16,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111574297] [2021-11-20 06:57:16,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:16,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:16,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:57:16,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:57:16,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111574297] [2021-11-20 06:57:16,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111574297] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:57:16,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:57:16,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:57:16,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159211027] [2021-11-20 06:57:16,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:57:16,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:57:16,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:57:16,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:57:16,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:57:16,995 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 98 [2021-11-20 06:57:16,997 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 84 transitions, 211 flow. Second operand has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:16,997 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:57:16,997 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 98 [2021-11-20 06:57:16,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:57:17,478 INFO L129 PetriNetUnfolder]: 200/512 cut-off events. [2021-11-20 06:57:17,478 INFO L130 PetriNetUnfolder]: For 362/363 co-relation queries the response was YES. [2021-11-20 06:57:17,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1165 conditions, 512 events. 200/512 cut-off events. For 362/363 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2387 event pairs, 50 based on Foata normal form. 18/510 useless extension candidates. Maximal degree in co-relation 1108. Up to 179 conditions per place. [2021-11-20 06:57:17,488 INFO L132 encePairwiseOnDemand]: 92/98 looper letters, 16 selfloop transitions, 2 changer transitions 28/115 dead transitions. [2021-11-20 06:57:17,488 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 115 transitions, 383 flow [2021-11-20 06:57:17,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:57:17,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 06:57:17,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 750 transitions. [2021-11-20 06:57:17,492 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8503401360544217 [2021-11-20 06:57:17,493 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 750 transitions. [2021-11-20 06:57:17,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 750 transitions. [2021-11-20 06:57:17,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:57:17,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 750 transitions. [2021-11-20 06:57:17,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 83.33333333333333) internal successors, (750), 9 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:17,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 98.0) internal successors, (980), 10 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:17,503 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 98.0) internal successors, (980), 10 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:17,503 INFO L186 Difference]: Start difference. First operand has 112 places, 84 transitions, 211 flow. Second operand 9 states and 750 transitions. [2021-11-20 06:57:17,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 115 transitions, 383 flow [2021-11-20 06:57:17,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 115 transitions, 364 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-11-20 06:57:17,519 INFO L242 Difference]: Finished difference. Result has 107 places, 84 transitions, 220 flow [2021-11-20 06:57:17,519 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=220, PETRI_PLACES=107, PETRI_TRANSITIONS=84} [2021-11-20 06:57:17,522 INFO L334 CegarLoopForPetriNet]: 101 programPoint places, 6 predicate places. [2021-11-20 06:57:17,523 INFO L470 AbstractCegarLoop]: Abstraction has has 107 places, 84 transitions, 220 flow [2021-11-20 06:57:17,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:17,524 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:57:17,525 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:57:17,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:57:17,525 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-20 06:57:17,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:17,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1122059276, now seen corresponding path program 1 times [2021-11-20 06:57:17,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:17,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864487051] [2021-11-20 06:57:17,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:17,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:17,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:57:17,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:57:17,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864487051] [2021-11-20 06:57:17,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864487051] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:57:17,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:57:17,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:57:17,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678320347] [2021-11-20 06:57:17,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:57:17,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:57:17,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:57:17,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:57:17,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:57:17,742 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 98 [2021-11-20 06:57:17,745 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 84 transitions, 220 flow. Second operand has 6 states, 6 states have (on average 78.66666666666667) internal successors, (472), 6 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:17,745 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:57:17,745 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 98 [2021-11-20 06:57:17,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:57:18,193 INFO L129 PetriNetUnfolder]: 188/565 cut-off events. [2021-11-20 06:57:18,193 INFO L130 PetriNetUnfolder]: For 132/133 co-relation queries the response was YES. [2021-11-20 06:57:18,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1085 conditions, 565 events. 188/565 cut-off events. For 132/133 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2984 event pairs, 20 based on Foata normal form. 0/546 useless extension candidates. Maximal degree in co-relation 1026. Up to 85 conditions per place. [2021-11-20 06:57:18,201 INFO L132 encePairwiseOnDemand]: 89/98 looper letters, 38 selfloop transitions, 12 changer transitions 19/136 dead transitions. [2021-11-20 06:57:18,201 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 136 transitions, 464 flow [2021-11-20 06:57:18,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 06:57:18,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-20 06:57:18,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 841 transitions. [2021-11-20 06:57:18,206 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8581632653061224 [2021-11-20 06:57:18,206 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 841 transitions. [2021-11-20 06:57:18,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 841 transitions. [2021-11-20 06:57:18,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:57:18,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 841 transitions. [2021-11-20 06:57:18,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 84.1) internal successors, (841), 10 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:18,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 98.0) internal successors, (1078), 11 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:18,216 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 98.0) internal successors, (1078), 11 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:18,216 INFO L186 Difference]: Start difference. First operand has 107 places, 84 transitions, 220 flow. Second operand 10 states and 841 transitions. [2021-11-20 06:57:18,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 136 transitions, 464 flow [2021-11-20 06:57:18,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 136 transitions, 444 flow, removed 8 selfloop flow, removed 8 redundant places. [2021-11-20 06:57:18,224 INFO L242 Difference]: Finished difference. Result has 108 places, 95 transitions, 286 flow [2021-11-20 06:57:18,224 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=286, PETRI_PLACES=108, PETRI_TRANSITIONS=95} [2021-11-20 06:57:18,225 INFO L334 CegarLoopForPetriNet]: 101 programPoint places, 7 predicate places. [2021-11-20 06:57:18,226 INFO L470 AbstractCegarLoop]: Abstraction has has 108 places, 95 transitions, 286 flow [2021-11-20 06:57:18,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.66666666666667) internal successors, (472), 6 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:18,226 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:57:18,227 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:57:18,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:57:18,227 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-20 06:57:18,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:18,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1594132930, now seen corresponding path program 1 times [2021-11-20 06:57:18,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:18,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586307713] [2021-11-20 06:57:18,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:18,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:18,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:57:18,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:57:18,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586307713] [2021-11-20 06:57:18,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586307713] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:57:18,519 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:57:18,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:57:18,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486313394] [2021-11-20 06:57:18,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:57:18,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:57:18,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:57:18,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:57:18,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:57:18,525 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 98 [2021-11-20 06:57:18,526 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 95 transitions, 286 flow. Second operand has 7 states, 7 states have (on average 78.85714285714286) internal successors, (552), 7 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:18,527 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:57:18,527 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 98 [2021-11-20 06:57:18,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:57:18,977 INFO L129 PetriNetUnfolder]: 154/474 cut-off events. [2021-11-20 06:57:18,977 INFO L130 PetriNetUnfolder]: For 205/205 co-relation queries the response was YES. [2021-11-20 06:57:18,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1098 conditions, 474 events. 154/474 cut-off events. For 205/205 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2543 event pairs, 20 based on Foata normal form. 8/471 useless extension candidates. Maximal degree in co-relation 1067. Up to 52 conditions per place. [2021-11-20 06:57:18,983 INFO L132 encePairwiseOnDemand]: 89/98 looper letters, 31 selfloop transitions, 15 changer transitions 21/134 dead transitions. [2021-11-20 06:57:18,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 134 transitions, 544 flow [2021-11-20 06:57:18,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 06:57:18,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-20 06:57:18,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1063 transitions. [2021-11-20 06:57:18,990 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8343799058084772 [2021-11-20 06:57:18,990 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1063 transitions. [2021-11-20 06:57:18,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1063 transitions. [2021-11-20 06:57:18,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:57:18,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1063 transitions. [2021-11-20 06:57:18,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 81.76923076923077) internal successors, (1063), 13 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:19,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:19,005 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:19,005 INFO L186 Difference]: Start difference. First operand has 108 places, 95 transitions, 286 flow. Second operand 13 states and 1063 transitions. [2021-11-20 06:57:19,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 134 transitions, 544 flow [2021-11-20 06:57:19,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 134 transitions, 524 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-11-20 06:57:19,018 INFO L242 Difference]: Finished difference. Result has 122 places, 97 transitions, 341 flow [2021-11-20 06:57:19,019 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=341, PETRI_PLACES=122, PETRI_TRANSITIONS=97} [2021-11-20 06:57:19,022 INFO L334 CegarLoopForPetriNet]: 101 programPoint places, 21 predicate places. [2021-11-20 06:57:19,022 INFO L470 AbstractCegarLoop]: Abstraction has has 122 places, 97 transitions, 341 flow [2021-11-20 06:57:19,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 78.85714285714286) internal successors, (552), 7 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:19,024 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:57:19,024 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:57:19,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:57:19,025 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-20 06:57:19,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:19,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1913741345, now seen corresponding path program 1 times [2021-11-20 06:57:19,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:19,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039287534] [2021-11-20 06:57:19,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:19,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:57:19,121 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:57:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:57:19,318 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:57:19,319 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 06:57:19,320 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2021-11-20 06:57:19,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-11-20 06:57:19,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2021-11-20 06:57:19,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 5 remaining) [2021-11-20 06:57:19,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-11-20 06:57:19,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 06:57:19,329 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-20 06:57:19,337 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-20 06:57:19,337 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:57:19,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:57:19 BasicIcfg [2021-11-20 06:57:19,547 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:57:19,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:57:19,547 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:57:19,548 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:57:19,555 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:57:14" (3/4) ... [2021-11-20 06:57:19,558 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-20 06:57:19,774 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638476-de8a-4392-8034-944b5a143f4a/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:57:19,775 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:57:19,776 INFO L158 Benchmark]: Toolchain (without parser) took 7996.28ms. Allocated memory was 90.2MB in the beginning and 172.0MB in the end (delta: 81.8MB). Free memory was 53.4MB in the beginning and 44.6MB in the end (delta: 8.8MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. [2021-11-20 06:57:19,777 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:57:19,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 868.83ms. Allocated memory was 90.2MB in the beginning and 127.9MB in the end (delta: 37.7MB). Free memory was 53.2MB in the beginning and 90.1MB in the end (delta: -36.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:57:19,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.01ms. Allocated memory is still 127.9MB. Free memory was 90.1MB in the beginning and 87.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:57:19,779 INFO L158 Benchmark]: Boogie Preprocessor took 68.63ms. Allocated memory is still 127.9MB. Free memory was 87.5MB in the beginning and 85.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:57:19,779 INFO L158 Benchmark]: RCFGBuilder took 1638.64ms. Allocated memory is still 127.9MB. Free memory was 85.4MB in the beginning and 81.0MB in the end (delta: 4.4MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2021-11-20 06:57:19,780 INFO L158 Benchmark]: TraceAbstraction took 5095.94ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 80.2MB in the beginning and 70.8MB in the end (delta: 9.4MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2021-11-20 06:57:19,780 INFO L158 Benchmark]: Witness Printer took 227.46ms. Allocated memory is still 172.0MB. Free memory was 70.8MB in the beginning and 44.6MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-20 06:57:19,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 868.83ms. Allocated memory was 90.2MB in the beginning and 127.9MB in the end (delta: 37.7MB). Free memory was 53.2MB in the beginning and 90.1MB in the end (delta: -36.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.01ms. Allocated memory is still 127.9MB. Free memory was 90.1MB in the beginning and 87.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.63ms. Allocated memory is still 127.9MB. Free memory was 87.5MB in the beginning and 85.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1638.64ms. Allocated memory is still 127.9MB. Free memory was 85.4MB in the beginning and 81.0MB in the end (delta: 4.4MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5095.94ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 80.2MB in the beginning and 70.8MB in the end (delta: 9.4MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. * Witness Printer took 227.46ms. Allocated memory is still 172.0MB. Free memory was 70.8MB in the beginning and 44.6MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L710] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L712] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L713] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L714] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L716] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L718] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L720] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L721] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L722] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L723] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L724] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L725] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L726] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0] [L727] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L728] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L729] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0] [L730] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L731] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L732] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L733] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L734] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L735] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L736] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L815] 0 pthread_t t1089; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1089={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L816] FCALL, FORK 0 pthread_create(&t1089, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1089, ((void *)0), P0, ((void *)0))=-1, t1089={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L817] 0 pthread_t t1090; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1089={5:0}, t1090={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L818] FCALL, FORK 0 pthread_create(&t1090, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1090, ((void *)0), P1, ((void *)0))=0, t1089={5:0}, t1090={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L740] 1 z$w_buff1 = z$w_buff0 [L741] 1 z$w_buff0 = 1 [L742] 1 z$w_buff1_used = z$w_buff0_used [L743] 1 z$w_buff0_used = (_Bool)1 [L744] CALL 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L744] RET 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L745] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L746] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L747] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L748] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L751] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L768] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L771] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L774] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L778] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L779] 2 z$flush_delayed = weak$$choice2 [L780] 2 z$mem_tmp = z [L781] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L781] 2 z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L782] EXPR 2 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L782] 2 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L783] EXPR 2 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L783] 2 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L784] EXPR 2 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L784] 2 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L785] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L785] 2 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L786] EXPR 2 weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L786] 2 z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L787] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L787] 2 z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L788] 2 __unbuffered_p1_EBX = z [L789] EXPR 2 z$flush_delayed ? z$mem_tmp : z [L789] 2 z = z$flush_delayed ? z$mem_tmp : z [L790] 2 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L754] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L754] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L755] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L755] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L756] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L756] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L757] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L757] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L758] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L758] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L793] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L793] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L793] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L793] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L794] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L794] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L795] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L795] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L796] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L796] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L797] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L797] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L761] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L800] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L820] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1089={5:0}, t1090={3:0}, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L822] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L822] RET 0 assume_abort_if_not(main$tmp_guard0) [L824] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L824] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L824] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L824] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L825] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L825] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L826] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L826] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L827] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L827] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L828] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L828] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L831] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1089={5:0}, t1090={3:0}, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L833] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 816]: 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: 818]: 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 5 procedures, 118 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.6s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 210 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 210 mSDsluCounter, 118 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 272 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 396 IncrementalHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 29 mSDtfsCounter, 396 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=341occurred in iteration=5, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 393 NumberOfCodeBlocks, 393 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 311 ConstructedInterpolants, 0 QuantifiedInterpolants, 865 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-20 06:57:19,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638476-de8a-4392-8034-944b5a143f4a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE