./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-atomic/szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:04:23,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:04:23,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:04:24,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:04:24,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:04:24,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:04:24,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:04:24,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:04:24,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:04:24,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:04:24,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:04:24,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:04:24,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:04:24,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:04:24,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:04:24,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:04:24,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:04:24,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:04:24,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:04:24,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:04:24,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:04:24,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:04:24,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:04:24,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:04:24,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:04:24,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:04:24,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:04:24,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:04:24,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:04:24,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:04:24,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:04:24,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:04:24,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:04:24,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:04:24,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:04:24,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:04:24,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:04:24,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:04:24,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:04:24,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:04:24,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:04:24,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-02 22:04:24,083 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:04:24,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:04:24,084 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:04:24,084 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:04:24,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:04:24,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:04:24,085 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:04:24,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:04:24,086 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:04:24,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:04:24,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:04:24,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:04:24,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:04:24,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:04:24,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:04:24,087 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:04:24,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:04:24,088 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:04:24,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:04:24,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:04:24,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:04:24,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-02 22:04:24,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:04:24,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:04:24,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:04:24,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:04:24,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:04:24,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:04:24,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:04:24,090 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:04:24,090 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-02 22:04:24,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:04:24,090 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-02 22:04:24,091 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-02 22:04:24,091 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_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 [2021-11-02 22:04:24,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:04:24,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:04:24,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:04:24,393 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:04:24,394 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:04:24,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/../../sv-benchmarks/c/pthread-atomic/szymanski.i [2021-11-02 22:04:24,474 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/data/93422c9b6/f62a7f6f4e364bb5a07491b6759c6d0b/FLAGb7d16266d [2021-11-02 22:04:25,075 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:04:25,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/sv-benchmarks/c/pthread-atomic/szymanski.i [2021-11-02 22:04:25,090 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/data/93422c9b6/f62a7f6f4e364bb5a07491b6759c6d0b/FLAGb7d16266d [2021-11-02 22:04:25,404 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/data/93422c9b6/f62a7f6f4e364bb5a07491b6759c6d0b [2021-11-02 22:04:25,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:04:25,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:04:25,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:04:25,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:04:25,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:04:25,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:04:25" (1/1) ... [2021-11-02 22:04:25,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@410b5727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:25, skipping insertion in model container [2021-11-02 22:04:25,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:04:25" (1/1) ... [2021-11-02 22:04:25,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:04:25,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:04:25,710 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-02 22:04:25,892 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/sv-benchmarks/c/pthread-atomic/szymanski.i[31505,31518] [2021-11-02 22:04:25,908 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/sv-benchmarks/c/pthread-atomic/szymanski.i[32915,32928] [2021-11-02 22:04:25,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:04:25,931 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:04:25,966 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-02 22:04:25,986 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/sv-benchmarks/c/pthread-atomic/szymanski.i[31505,31518] [2021-11-02 22:04:25,991 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/sv-benchmarks/c/pthread-atomic/szymanski.i[32915,32928] [2021-11-02 22:04:25,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:04:26,043 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:04:26,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:26 WrapperNode [2021-11-02 22:04:26,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:04:26,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:04:26,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:04:26,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:04:26,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:26" (1/1) ... [2021-11-02 22:04:26,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:26" (1/1) ... [2021-11-02 22:04:26,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:04:26,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:04:26,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:04:26,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:04:26,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:26" (1/1) ... [2021-11-02 22:04:26,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:26" (1/1) ... [2021-11-02 22:04:26,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:26" (1/1) ... [2021-11-02 22:04:26,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:26" (1/1) ... [2021-11-02 22:04:26,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:26" (1/1) ... [2021-11-02 22:04:26,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:26" (1/1) ... [2021-11-02 22:04:26,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:26" (1/1) ... [2021-11-02 22:04:26,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:04:26,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:04:26,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:04:26,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:04:26,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:26" (1/1) ... [2021-11-02 22:04:26,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:04:26,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:04:26,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:04:26,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:04:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:04:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-11-02 22:04:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-11-02 22:04:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-02 22:04:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-02 22:04:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:04:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-02 22:04:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:04:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:04:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:04:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-02 22:04:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:04:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:04:26,280 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-02 22:04:26,619 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:04:26,619 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-11-02 22:04:26,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:04:26 BoogieIcfgContainer [2021-11-02 22:04:26,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:04:26,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:04:26,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:04:26,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:04:26,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:04:25" (1/3) ... [2021-11-02 22:04:26,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5827ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:04:26, skipping insertion in model container [2021-11-02 22:04:26,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:26" (2/3) ... [2021-11-02 22:04:26,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5827ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:04:26, skipping insertion in model container [2021-11-02 22:04:26,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:04:26" (3/3) ... [2021-11-02 22:04:26,631 INFO L111 eAbstractionObserver]: Analyzing ICFG szymanski.i [2021-11-02 22:04:26,636 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-02 22:04:26,636 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:04:26,637 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-02 22:04:26,637 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-02 22:04:26,675 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,675 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,676 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,676 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,686 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,686 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,686 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,687 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,687 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,687 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,688 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,688 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,689 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,689 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,704 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,705 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,705 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,706 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,706 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,707 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,707 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,707 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,707 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,710 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,710 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,711 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,711 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,712 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,712 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,713 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,713 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,713 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,714 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,714 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,715 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,715 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,715 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,716 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,716 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,717 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,717 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,717 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,718 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,718 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,718 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,719 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,719 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,721 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,726 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,726 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,727 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,742 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,742 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,743 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,743 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,743 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,748 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,748 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,749 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,759 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,764 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,764 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,764 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,765 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:26,787 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-02 22:04:26,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-02 22:04:26,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:04:26,849 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-02 22:04:26,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-02 22:04:26,900 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2021-11-02 22:04:26,906 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=PARTIAL_ORDER_FA, 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 [2021-11-02 22:04:26,920 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-02 22:04:27,089 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:27,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:27,095 INFO L85 PathProgramCache]: Analyzing trace with hash -686580923, now seen corresponding path program 1 times [2021-11-02 22:04:27,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:27,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655821061] [2021-11-02 22:04:27,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:27,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:27,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:27,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:27,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655821061] [2021-11-02 22:04:27,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655821061] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:27,318 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:27,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:04:27,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401348191] [2021-11-02 22:04:27,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 22:04:27,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:27,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 22:04:27,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:04:27,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:27,351 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:27,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-11-02 22:04:27,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:27,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:27,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:04:27,367 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:27,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:27,368 INFO L85 PathProgramCache]: Analyzing trace with hash -92450458, now seen corresponding path program 1 times [2021-11-02 22:04:27,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:27,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903825959] [2021-11-02 22:04:27,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:27,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:27,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:27,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:27,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903825959] [2021-11-02 22:04:27,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903825959] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:27,507 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:27,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:04:27,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944645897] [2021-11-02 22:04:27,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:04:27,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:27,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:04:27,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:04:27,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:27,511 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:27,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-11-02 22:04:27,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:27,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:27,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:27,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:04:27,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 22:04:27,555 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:27,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:27,557 INFO L85 PathProgramCache]: Analyzing trace with hash -2096287979, now seen corresponding path program 1 times [2021-11-02 22:04:27,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:27,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292749745] [2021-11-02 22:04:27,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:27,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:27,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:27,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:27,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292749745] [2021-11-02 22:04:27,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292749745] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:27,646 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:27,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:04:27,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410678942] [2021-11-02 22:04:27,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:04:27,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:27,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:04:27,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:04:27,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:27,653 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:27,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-11-02 22:04:27,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:27,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:04:27,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:27,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:27,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:27,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:27,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 22:04:27,764 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:27,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:27,766 INFO L85 PathProgramCache]: Analyzing trace with hash 37838230, now seen corresponding path program 1 times [2021-11-02 22:04:27,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:27,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290905098] [2021-11-02 22:04:27,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:27,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:27,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:27,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:27,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290905098] [2021-11-02 22:04:27,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290905098] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:27,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:27,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:04:27,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514764963] [2021-11-02 22:04:27,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:04:27,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:27,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:04:27,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:04:27,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:27,906 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:27,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-11-02 22:04:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:28,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:28,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:28,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 22:04:28,301 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:28,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:28,302 INFO L85 PathProgramCache]: Analyzing trace with hash -2038465728, now seen corresponding path program 2 times [2021-11-02 22:04:28,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:28,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949756040] [2021-11-02 22:04:28,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:28,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:28,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:28,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:28,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949756040] [2021-11-02 22:04:28,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949756040] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:28,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:28,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:04:28,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086871901] [2021-11-02 22:04:28,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:04:28,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:28,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:04:28,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:04:28,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:28,438 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:28,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-11-02 22:04:28,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:28,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:28,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 22:04:28,577 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:28,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:28,578 INFO L85 PathProgramCache]: Analyzing trace with hash -195562381, now seen corresponding path program 1 times [2021-11-02 22:04:28,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:28,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152605320] [2021-11-02 22:04:28,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:28,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:28,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:28,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:28,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152605320] [2021-11-02 22:04:28,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152605320] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:28,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:28,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:04:28,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873988611] [2021-11-02 22:04:28,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:04:28,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:28,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:04:28,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:04:28,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:28,690 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:28,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2021-11-02 22:04:28,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:28,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:28,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:28,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:28,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:28,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-02 22:04:28,746 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:28,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:28,747 INFO L85 PathProgramCache]: Analyzing trace with hash 531956281, now seen corresponding path program 1 times [2021-11-02 22:04:28,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:28,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811562278] [2021-11-02 22:04:28,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:28,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:28,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:28,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:28,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811562278] [2021-11-02 22:04:28,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811562278] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:28,828 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:28,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:04:28,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393192370] [2021-11-02 22:04:28,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:04:28,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:28,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:04:28,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:04:28,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:28,830 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:28,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2021-11-02 22:04:28,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:28,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:28,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:28,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:28,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:28,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-02 22:04:28,903 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:28,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:28,904 INFO L85 PathProgramCache]: Analyzing trace with hash -2047078755, now seen corresponding path program 2 times [2021-11-02 22:04:28,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:28,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001989801] [2021-11-02 22:04:28,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:28,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:28,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-02 22:04:28,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:28,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001989801] [2021-11-02 22:04:28,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001989801] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:28,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:28,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:04:28,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773728310] [2021-11-02 22:04:28,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:04:28,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:28,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:04:28,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:04:28,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:28,970 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:28,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2021-11-02 22:04:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:28,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:29,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:29,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:29,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-02 22:04:29,291 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:29,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:29,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1600054019, now seen corresponding path program 2 times [2021-11-02 22:04:29,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:29,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265553205] [2021-11-02 22:04:29,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:29,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:29,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:29,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:29,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265553205] [2021-11-02 22:04:29,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265553205] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:29,361 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:29,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:04:29,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725901268] [2021-11-02 22:04:29,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:04:29,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:29,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:04:29,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:04:29,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:29,363 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:29,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2021-11-02 22:04:29,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:29,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:29,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:29,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:29,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:29,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-02 22:04:29,736 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:29,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:29,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1583801162, now seen corresponding path program 1 times [2021-11-02 22:04:29,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:29,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526298346] [2021-11-02 22:04:29,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:29,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:29,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:29,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:29,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526298346] [2021-11-02 22:04:29,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526298346] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:29,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:29,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:04:29,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405654403] [2021-11-02 22:04:29,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:04:29,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:29,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:04:29,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:04:29,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:29,792 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:29,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-11-02 22:04:29,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:29,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:29,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:30,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:30,187 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:04:30,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-02 22:04:30,198 INFO L731 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1] [2021-11-02 22:04:30,199 INFO L308 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/3) [2021-11-02 22:04:30,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-02 22:04:30,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:04:30,207 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-02 22:04:30,219 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-02 22:04:30,220 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=PARTIAL_ORDER_FA, 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 [2021-11-02 22:04:30,220 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-02 22:04:30,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-11-02 22:04:30,280 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-02 22:04:30,280 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-11-02 22:04:30,282 INFO L731 BasicCegarLoop]: Path program histogram: [] [2021-11-02 22:04:30,282 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2021-11-02 22:04:30,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-02 22:04:30,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:04:30,331 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-02 22:04:30,339 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr2Thread1of1ForFork1 ======== [2021-11-02 22:04:30,340 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=PARTIAL_ORDER_FA, 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 [2021-11-02 22:04:30,340 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-02 22:04:30,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2021-11-02 22:04:30,425 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:30,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:30,428 INFO L85 PathProgramCache]: Analyzing trace with hash 902671759, now seen corresponding path program 1 times [2021-11-02 22:04:30,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:30,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269874746] [2021-11-02 22:04:30,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:30,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:30,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:30,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:30,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269874746] [2021-11-02 22:04:30,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269874746] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:30,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:30,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:04:30,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333609259] [2021-11-02 22:04:30,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 22:04:30,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:30,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 22:04:30,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:04:30,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,467 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:30,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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) [2021-11-02 22:04:30,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-02 22:04:30,472 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:30,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:30,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1652462511, now seen corresponding path program 1 times [2021-11-02 22:04:30,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:30,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855260943] [2021-11-02 22:04:30,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:30,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:30,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:30,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:30,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855260943] [2021-11-02 22:04:30,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855260943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:30,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:30,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:04:30,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848691860] [2021-11-02 22:04:30,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:04:30,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:30,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:04:30,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:04:30,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,527 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:30,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2021-11-02 22:04:30,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:30,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-02 22:04:30,553 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:30,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:30,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1505504130, now seen corresponding path program 1 times [2021-11-02 22:04:30,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:30,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916556169] [2021-11-02 22:04:30,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:30,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:30,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:30,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:30,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916556169] [2021-11-02 22:04:30,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916556169] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:30,591 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:30,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:04:30,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921576019] [2021-11-02 22:04:30,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:04:30,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:30,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:04:30,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:04:30,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,593 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:30,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2021-11-02 22:04:30,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:30,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:30,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:30,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-02 22:04:30,619 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:30,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:30,620 INFO L85 PathProgramCache]: Analyzing trace with hash 236720990, now seen corresponding path program 1 times [2021-11-02 22:04:30,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:30,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318725426] [2021-11-02 22:04:30,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:30,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:30,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:30,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:30,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318725426] [2021-11-02 22:04:30,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318725426] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:30,698 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:30,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-02 22:04:30,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755476986] [2021-11-02 22:04:30,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 22:04:30,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:30,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:04:30,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:04:30,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,700 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:30,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 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) [2021-11-02 22:04:30,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:30,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:30,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:30,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:30,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:04:30,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-02 22:04:30,849 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:30,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:30,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1176381177, now seen corresponding path program 1 times [2021-11-02 22:04:30,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:30,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485762942] [2021-11-02 22:04:30,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:30,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:30,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:30,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:30,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485762942] [2021-11-02 22:04:30,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485762942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:30,900 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:30,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:04:30,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676200866] [2021-11-02 22:04:30,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:04:30,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:30,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:04:30,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:04:30,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,902 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:30,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-11-02 22:04:30,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:30,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:30,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:30,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:04:30,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:31,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:31,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:31,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-02 22:04:31,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:31,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-02 22:04:31,125 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:31,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:31,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1942641499, now seen corresponding path program 1 times [2021-11-02 22:04:31,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:31,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641851630] [2021-11-02 22:04:31,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:31,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:31,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:31,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:31,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641851630] [2021-11-02 22:04:31,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641851630] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:31,171 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:31,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:04:31,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472175451] [2021-11-02 22:04:31,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:04:31,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:31,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:04:31,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:04:31,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:31,173 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:31,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2021-11-02 22:04:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-02 22:04:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:31,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:31,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:31,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:31,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-02 22:04:31,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:31,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:04:31,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-02 22:04:31,263 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:31,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:31,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1482056493, now seen corresponding path program 2 times [2021-11-02 22:04:31,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:31,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561370541] [2021-11-02 22:04:31,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:31,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:31,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:31,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:31,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561370541] [2021-11-02 22:04:31,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561370541] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:31,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:31,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:04:31,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718561965] [2021-11-02 22:04:31,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:04:31,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:31,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:04:31,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:04:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:31,305 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:31,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2021-11-02 22:04:31,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:31,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:31,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:31,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-02 22:04:31,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:31,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:04:31,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:31,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:31,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:31,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:31,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-02 22:04:31,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:31,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:04:31,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:31,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-02 22:04:31,400 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:31,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:31,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1871857152, now seen corresponding path program 1 times [2021-11-02 22:04:31,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:31,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390043727] [2021-11-02 22:04:31,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:31,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:31,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:31,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:31,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390043727] [2021-11-02 22:04:31,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390043727] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:31,466 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:31,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:04:31,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061033375] [2021-11-02 22:04:31,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:04:31,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:31,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:04:31,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:04:31,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:31,468 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:31,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2021-11-02 22:04:31,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:31,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:31,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:31,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-02 22:04:31,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:31,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:04:31,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:31,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:31,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-02 22:04:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:31,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-02 22:04:31,758 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:31,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:31,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1759826651, now seen corresponding path program 1 times [2021-11-02 22:04:31,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:31,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285733583] [2021-11-02 22:04:31,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:31,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:31,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:31,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:31,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285733583] [2021-11-02 22:04:31,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285733583] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:31,794 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:31,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:04:31,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832253322] [2021-11-02 22:04:31,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:04:31,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:31,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:04:31,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:04:31,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:31,796 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:31,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2021-11-02 22:04:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-02 22:04:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:31,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:31,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:31,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:32,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:32,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:32,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:32,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-02 22:04:32,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:32,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:32,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:32,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:32,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:32,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-02 22:04:32,221 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:32,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:32,221 INFO L85 PathProgramCache]: Analyzing trace with hash 185606244, now seen corresponding path program 1 times [2021-11-02 22:04:32,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:32,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265873597] [2021-11-02 22:04:32,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:32,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:32,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:32,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:32,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265873597] [2021-11-02 22:04:32,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265873597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:32,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:32,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:04:32,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618278397] [2021-11-02 22:04:32,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:04:32,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:32,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:04:32,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:04:32,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:32,327 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:32,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-11-02 22:04:32,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:32,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:32,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:32,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-02 22:04:32,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:32,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:32,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:32,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:32,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:32,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:32,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:32,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:32,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:32,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-02 22:04:32,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:32,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:32,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:04:32,520 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:04:32,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-02 22:04:32,523 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:04:32,524 INFO L308 ceAbstractionStarter]: Result for error location thr2Thread1of1ForFork1 was SAFE (3/3) [2021-11-02 22:04:32,524 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-02 22:04:32,525 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 22:04:32,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 10:04:32 BasicIcfg [2021-11-02 22:04:32,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 22:04:32,529 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:04:32,530 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:04:32,530 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:04:32,530 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:04:26" (3/4) ... [2021-11-02 22:04:32,534 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-02 22:04:32,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2021-11-02 22:04:32,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2021-11-02 22:04:32,547 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-02 22:04:32,547 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-02 22:04:32,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 22:04:32,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 22:04:32,582 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/witness.graphml [2021-11-02 22:04:32,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:04:32,584 INFO L168 Benchmark]: Toolchain (without parser) took 7172.84 ms. Allocated memory was 109.1 MB in the beginning and 186.6 MB in the end (delta: 77.6 MB). Free memory was 65.1 MB in the beginning and 98.9 MB in the end (delta: -33.8 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:32,585 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 109.1 MB. Free memory was 82.7 MB in the beginning and 82.5 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:04:32,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.96 ms. Allocated memory is still 109.1 MB. Free memory was 64.9 MB in the beginning and 70.8 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:32,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.52 ms. Allocated memory is still 109.1 MB. Free memory was 70.8 MB in the beginning and 68.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:32,586 INFO L168 Benchmark]: Boogie Preprocessor took 61.97 ms. Allocated memory is still 109.1 MB. Free memory was 68.7 MB in the beginning and 67.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:04:32,587 INFO L168 Benchmark]: RCFGBuilder took 461.97 ms. Allocated memory is still 109.1 MB. Free memory was 67.5 MB in the beginning and 54.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:32,587 INFO L168 Benchmark]: TraceAbstraction took 5905.22 ms. Allocated memory was 109.1 MB in the beginning and 186.6 MB in the end (delta: 77.6 MB). Free memory was 53.6 MB in the beginning and 102.0 MB in the end (delta: -48.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:32,588 INFO L168 Benchmark]: Witness Printer took 53.11 ms. Allocated memory is still 186.6 MB. Free memory was 102.0 MB in the beginning and 98.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:32,590 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 109.1 MB. Free memory was 82.7 MB in the beginning and 82.5 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 631.96 ms. Allocated memory is still 109.1 MB. Free memory was 64.9 MB in the beginning and 70.8 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.52 ms. Allocated memory is still 109.1 MB. Free memory was 70.8 MB in the beginning and 68.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.97 ms. Allocated memory is still 109.1 MB. Free memory was 68.7 MB in the beginning and 67.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 461.97 ms. Allocated memory is still 109.1 MB. Free memory was 67.5 MB in the beginning and 54.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5905.22 ms. Allocated memory was 109.1 MB in the beginning and 186.6 MB in the end (delta: 77.6 MB). Free memory was 53.6 MB in the beginning and 102.0 MB in the end (delta: -48.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB. * Witness Printer took 53.11 ms. Allocated memory is still 186.6 MB. Free memory was 102.0 MB in the beginning and 98.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 22020, positive: 17759, positive conditional: 14500, positive unconditional: 3259, negative: 4261, negative conditional: 4115, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18900, positive: 17759, positive conditional: 14500, positive unconditional: 3259, negative: 1141, negative conditional: 995, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18900, positive: 17759, positive conditional: 14500, positive unconditional: 3259, negative: 1141, negative conditional: 995, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22521, positive: 17759, positive conditional: 14452, positive unconditional: 3307, negative: 4762, negative conditional: 3621, negative unconditional: 1141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22521, positive: 17759, positive conditional: 5526, positive unconditional: 12233, negative: 4762, negative conditional: 978, negative unconditional: 3784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22521, positive: 17759, positive conditional: 5526, positive unconditional: 12233, negative: 4762, negative conditional: 978, negative unconditional: 3784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3305, positive: 3090, positive conditional: 3, positive unconditional: 3087, negative: 215, negative conditional: 69, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3305, positive: 3087, positive conditional: 0, positive unconditional: 3087, negative: 218, negative conditional: 0, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 218, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 215, negative conditional: 69, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 329, positive: 5, positive conditional: 2, positive unconditional: 3, negative: 324, negative conditional: 93, negative unconditional: 231, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22521, positive: 14669, positive conditional: 5523, positive unconditional: 9146, negative: 4547, negative conditional: 909, negative unconditional: 3638, unknown: 3305, unknown conditional: 72, unknown unconditional: 3233] , Statistics on independence cache: Total cache size (in pairs): 3305, Positive cache size: 3090, Positive conditional cache size: 3, Positive unconditional cache size: 3087, Negative cache size: 215, Negative conditional cache size: 69, Negative unconditional cache size: 146, Eliminated conditions: 11569, Maximal queried relation: 6, Independence queries for same thread: 3120 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 477, Number of persistent set computation: 1274, Number of trivial persistent sets: 1042, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3405, positive: 3259, positive conditional: 0, positive unconditional: 3259, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 22020, positive: 17759, positive conditional: 14500, positive unconditional: 3259, negative: 4261, negative conditional: 4115, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18900, positive: 17759, positive conditional: 14500, positive unconditional: 3259, negative: 1141, negative conditional: 995, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18900, positive: 17759, positive conditional: 14500, positive unconditional: 3259, negative: 1141, negative conditional: 995, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22521, positive: 17759, positive conditional: 14452, positive unconditional: 3307, negative: 4762, negative conditional: 3621, negative unconditional: 1141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22521, positive: 17759, positive conditional: 5526, positive unconditional: 12233, negative: 4762, negative conditional: 978, negative unconditional: 3784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22521, positive: 17759, positive conditional: 5526, positive unconditional: 12233, negative: 4762, negative conditional: 978, negative unconditional: 3784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3305, positive: 3090, positive conditional: 3, positive unconditional: 3087, negative: 215, negative conditional: 69, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3305, positive: 3087, positive conditional: 0, positive unconditional: 3087, negative: 218, negative conditional: 0, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 218, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 215, negative conditional: 69, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 329, positive: 5, positive conditional: 2, positive unconditional: 3, negative: 324, negative conditional: 93, negative unconditional: 231, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22521, positive: 14669, positive conditional: 5523, positive unconditional: 9146, negative: 4547, negative conditional: 909, negative unconditional: 3638, unknown: 3305, unknown conditional: 72, unknown unconditional: 3233] , Statistics on independence cache: Total cache size (in pairs): 3305, Positive cache size: 3090, Positive conditional cache size: 3, Positive unconditional cache size: 3087, Negative cache size: 215, Negative conditional cache size: 69, Negative unconditional cache size: 146, Eliminated conditions: 11569, Maximal queried relation: 6, Independence queries for same thread: 3120 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 571, positive: 570, positive conditional: 5, positive unconditional: 565, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 571, positive: 570, positive conditional: 5, positive unconditional: 565, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 571, positive: 570, positive conditional: 5, positive unconditional: 565, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 571, positive: 570, positive conditional: 0, positive unconditional: 570, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 571, positive: 570, positive conditional: 0, positive unconditional: 570, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 571, positive: 570, positive conditional: 0, positive unconditional: 570, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 566, positive: 565, positive conditional: 0, positive unconditional: 565, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 566, positive: 565, positive conditional: 0, positive unconditional: 565, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 571, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 566, unknown conditional: 0, unknown unconditional: 566] , Statistics on independence cache: Total cache size (in pairs): 566, Positive cache size: 565, Positive conditional cache size: 0, Positive unconditional cache size: 565, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 55, Number of persistent set computation: 24, Number of trivial persistent sets: 18, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 566, positive: 565, positive conditional: 0, positive unconditional: 565, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 571, positive: 570, positive conditional: 5, positive unconditional: 565, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 571, positive: 570, positive conditional: 5, positive unconditional: 565, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 571, positive: 570, positive conditional: 5, positive unconditional: 565, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 571, positive: 570, positive conditional: 0, positive unconditional: 570, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 571, positive: 570, positive conditional: 0, positive unconditional: 570, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 571, positive: 570, positive conditional: 0, positive unconditional: 570, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 566, positive: 565, positive conditional: 0, positive unconditional: 565, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 566, positive: 565, positive conditional: 0, positive unconditional: 565, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 571, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 566, unknown conditional: 0, unknown unconditional: 566] , Statistics on independence cache: Total cache size (in pairs): 566, Positive cache size: 565, Positive conditional cache size: 0, Positive unconditional cache size: 565, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20526, positive: 16852, positive conditional: 13631, positive unconditional: 3221, negative: 3674, negative conditional: 3520, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18082, positive: 16852, positive conditional: 13631, positive unconditional: 3221, negative: 1230, negative conditional: 1076, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18082, positive: 16852, positive conditional: 13631, positive unconditional: 3221, negative: 1230, negative conditional: 1076, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21977, positive: 16852, positive conditional: 13525, positive unconditional: 3327, negative: 5125, negative conditional: 3895, negative unconditional: 1230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21977, positive: 16852, positive conditional: 4700, positive unconditional: 12152, negative: 5125, negative conditional: 956, negative unconditional: 4169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21977, positive: 16852, positive conditional: 4700, positive unconditional: 12152, negative: 5125, negative conditional: 956, negative unconditional: 4169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3366, positive: 3116, positive conditional: 1, positive unconditional: 3115, negative: 250, negative conditional: 96, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3366, positive: 3111, positive conditional: 0, positive unconditional: 3111, negative: 255, negative conditional: 0, negative unconditional: 255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 255, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 250, negative conditional: 96, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 285, negative conditional: 106, negative unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21977, positive: 13736, positive conditional: 4699, positive unconditional: 9037, negative: 4875, negative conditional: 860, negative unconditional: 4015, unknown: 3366, unknown conditional: 97, unknown unconditional: 3269] , Statistics on independence cache: Total cache size (in pairs): 3366, Positive cache size: 3116, Positive conditional cache size: 1, Positive unconditional cache size: 3115, Negative cache size: 250, Negative conditional cache size: 96, Negative unconditional cache size: 154, Eliminated conditions: 11764, Maximal queried relation: 5, Independence queries for same thread: 2444 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 326, Number of persistent set computation: 1357, Number of trivial persistent sets: 1046, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3375, positive: 3221, positive conditional: 0, positive unconditional: 3221, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20526, positive: 16852, positive conditional: 13631, positive unconditional: 3221, negative: 3674, negative conditional: 3520, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18082, positive: 16852, positive conditional: 13631, positive unconditional: 3221, negative: 1230, negative conditional: 1076, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18082, positive: 16852, positive conditional: 13631, positive unconditional: 3221, negative: 1230, negative conditional: 1076, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21977, positive: 16852, positive conditional: 13525, positive unconditional: 3327, negative: 5125, negative conditional: 3895, negative unconditional: 1230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21977, positive: 16852, positive conditional: 4700, positive unconditional: 12152, negative: 5125, negative conditional: 956, negative unconditional: 4169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21977, positive: 16852, positive conditional: 4700, positive unconditional: 12152, negative: 5125, negative conditional: 956, negative unconditional: 4169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3366, positive: 3116, positive conditional: 1, positive unconditional: 3115, negative: 250, negative conditional: 96, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3366, positive: 3111, positive conditional: 0, positive unconditional: 3111, negative: 255, negative conditional: 0, negative unconditional: 255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 255, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 250, negative conditional: 96, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 285, negative conditional: 106, negative unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21977, positive: 13736, positive conditional: 4699, positive unconditional: 9037, negative: 4875, negative conditional: 860, negative unconditional: 4015, unknown: 3366, unknown conditional: 97, unknown unconditional: 3269] , Statistics on independence cache: Total cache size (in pairs): 3366, Positive cache size: 3116, Positive conditional cache size: 1, Positive unconditional cache size: 3115, Negative cache size: 250, Negative conditional cache size: 96, Negative unconditional cache size: 154, Eliminated conditions: 11764, Maximal queried relation: 5, Independence queries for same thread: 2444 - 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 - PositiveResult [Line: 745]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 802]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 150 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 495 NumberOfCodeBlocks, 495 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 485 ConstructedInterpolants, 0 QuantifiedInterpolants, 663 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 5/5 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 150 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 150 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.5s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 545 NumberOfCodeBlocks, 545 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 535 ConstructedInterpolants, 0 QuantifiedInterpolants, 741 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 1/1 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-02 22:04:32,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:04:32,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-11-02 22:04:33,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:04:33,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcc7e44-310a-4a6b-84c1-cf13be73bc0d/bin/ugemcutter-gZIa6NM3Pm/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 Result: TRUE