./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_48-pfscan_protected_loop_minimal_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_48-pfscan_protected_loop_minimal_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml --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 c3cd71d393166cffaa77421bc29f6d9bd09a45829052b9f9c6afdbfea26959f6 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:49:36,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:49:36,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:49:36,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:49:36,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:49:36,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:49:36,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:49:36,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:49:36,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:49:36,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:49:36,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:49:36,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:49:36,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:49:36,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:49:36,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:49:36,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:49:36,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:49:36,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:49:36,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:49:36,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:49:36,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:49:36,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:49:36,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:49:36,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:49:36,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:49:36,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:49:36,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:49:36,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:49:36,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:49:36,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:49:36,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:49:36,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:49:36,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:49:36,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:49:36,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:49:36,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:49:36,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:49:36,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:49:36,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:49:36,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:49:36,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:49:36,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-29 02:49:36,259 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:49:36,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:49:36,263 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 02:49:36,264 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 02:49:36,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:49:36,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:49:36,267 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 02:49:36,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:49:36,267 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:49:36,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:49:36,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:49:36,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:49:36,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:49:36,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:49:36,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:49:36,269 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:49:36,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:49:36,269 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:49:36,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:49:36,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:49:36,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 02:49:36,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-29 02:49:36,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 02:49:36,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 02:49:36,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:49:36,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:49:36,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:49:36,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 02:49:36,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:49:36,272 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-29 02:49:36,272 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-29 02:49:36,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:49:36,272 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-29 02:49:36,272 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-29 02:49:36,273 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_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3cd71d393166cffaa77421bc29f6d9bd09a45829052b9f9c6afdbfea26959f6 [2021-10-29 02:49:36,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:49:36,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:49:36,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:49:36,572 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:49:36,572 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:49:36,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/../../sv-benchmarks/c/goblint-regression/13-privatized_48-pfscan_protected_loop_minimal_true.i [2021-10-29 02:49:36,657 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/data/f7b7655a1/7b13f3e5f2fa41ffb16f1a5eb35d3f27/FLAGa05a23acd [2021-10-29 02:49:37,258 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:49:37,259 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/sv-benchmarks/c/goblint-regression/13-privatized_48-pfscan_protected_loop_minimal_true.i [2021-10-29 02:49:37,281 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/data/f7b7655a1/7b13f3e5f2fa41ffb16f1a5eb35d3f27/FLAGa05a23acd [2021-10-29 02:49:37,508 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/data/f7b7655a1/7b13f3e5f2fa41ffb16f1a5eb35d3f27 [2021-10-29 02:49:37,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:49:37,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:49:37,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:37,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:49:37,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:49:37,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c1049a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37, skipping insertion in model container [2021-10-29 02:49:37,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:49:37,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:49:37,778 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_bd107741-86d2-4148-82a5-77ad37e99cb5/sv-benchmarks/c/goblint-regression/13-privatized_48-pfscan_protected_loop_minimal_true.i[844,857] [2021-10-29 02:49:37,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:49:38,004 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:49:38,023 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_bd107741-86d2-4148-82a5-77ad37e99cb5/sv-benchmarks/c/goblint-regression/13-privatized_48-pfscan_protected_loop_minimal_true.i[844,857] [2021-10-29 02:49:38,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:49:38,110 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:49:38,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:38 WrapperNode [2021-10-29 02:49:38,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:38,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:49:38,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:49:38,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:49:38,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:38" (1/1) ... [2021-10-29 02:49:38,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:38" (1/1) ... [2021-10-29 02:49:38,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:49:38,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:49:38,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:49:38,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:49:38,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:38" (1/1) ... [2021-10-29 02:49:38,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:38" (1/1) ... [2021-10-29 02:49:38,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:38" (1/1) ... [2021-10-29 02:49:38,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:38" (1/1) ... [2021-10-29 02:49:38,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:38" (1/1) ... [2021-10-29 02:49:38,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:38" (1/1) ... [2021-10-29 02:49:38,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:38" (1/1) ... [2021-10-29 02:49:38,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:49:38,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:49:38,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:49:38,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:49:38,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:38" (1/1) ... [2021-10-29 02:49:38,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 02:49:38,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:38,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 02:49:38,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 02:49:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 02:49:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2021-10-29 02:49:38,297 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2021-10-29 02:49:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 02:49:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-29 02:49:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:49:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 02:49:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:49:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:49:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:49:38,300 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 02:49:38,759 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:49:38,759 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-10-29 02:49:38,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:49:38 BoogieIcfgContainer [2021-10-29 02:49:38,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:49:38,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 02:49:38,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 02:49:38,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 02:49:38,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 02:49:37" (1/3) ... [2021-10-29 02:49:38,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c4e7f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:49:38, skipping insertion in model container [2021-10-29 02:49:38,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:38" (2/3) ... [2021-10-29 02:49:38,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c4e7f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:49:38, skipping insertion in model container [2021-10-29 02:49:38,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:49:38" (3/3) ... [2021-10-29 02:49:38,772 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_48-pfscan_protected_loop_minimal_true.i [2021-10-29 02:49:38,792 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 02:49:38,795 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 02:49:38,795 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 02:49:38,796 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 02:49:38,871 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,871 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,871 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,871 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,872 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,872 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,872 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,872 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,873 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,873 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,873 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,874 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,874 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,874 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,874 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,874 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,875 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,875 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,875 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,875 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,876 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,876 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,876 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,876 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,876 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,877 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,877 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,877 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,877 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,877 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,878 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,878 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,878 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,878 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,878 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,878 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,879 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,879 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,879 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,879 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,879 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,880 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,880 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,880 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,880 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,881 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,881 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,881 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,881 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,881 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,882 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,882 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,882 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,882 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,883 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,883 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,883 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,883 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,883 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,884 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,884 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,884 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,884 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,884 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,885 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,885 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,885 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,885 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,886 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,886 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,886 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,886 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,887 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,887 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,887 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,887 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,887 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,888 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,888 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,888 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,888 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,888 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,889 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,889 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,889 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,889 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,890 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,890 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,890 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,891 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,891 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,891 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,891 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,892 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,892 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,892 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,892 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,892 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,893 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,893 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,893 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,894 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,894 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,894 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,894 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,895 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,895 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,895 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,895 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,895 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,896 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,896 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,896 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,897 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,897 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,897 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,897 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,898 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,898 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,898 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,898 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,899 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,899 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,899 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,899 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,900 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,900 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,900 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,900 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,901 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,901 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,901 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,901 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,901 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,902 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,902 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,902 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,902 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,903 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,903 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,903 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,903 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,904 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,904 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,904 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,904 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,908 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,908 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,908 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,909 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,909 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,909 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,909 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,910 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,910 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,910 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,911 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,911 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,911 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,911 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,911 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,912 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,912 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,912 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,912 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,918 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-29 02:49:38,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-29 02:49:38,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:38,985 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-29 02:49:39,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-29 02:49:39,045 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == workerThread1of1ForFork0 ======== [2021-10-29 02:49:39,052 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 [2021-10-29 02:49:39,052 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 02:49:39,224 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:39,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:39,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1261283779, now seen corresponding path program 1 times [2021-10-29 02:49:39,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:39,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53009977] [2021-10-29 02:49:39,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:39,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:39,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:39,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:39,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53009977] [2021-10-29 02:49:39,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53009977] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:39,609 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:39,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 02:49:39,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145533477] [2021-10-29 02:49:39,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 02:49:39,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:39,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 02:49:39,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 02:49:39,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,640 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:39,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 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) [2021-10-29 02:49:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 02:49:39,679 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:39,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:39,681 INFO L85 PathProgramCache]: Analyzing trace with hash -265596895, now seen corresponding path program 1 times [2021-10-29 02:49:39,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:39,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133363656] [2021-10-29 02:49:39,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:39,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:39,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:39,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:39,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133363656] [2021-10-29 02:49:39,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133363656] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:39,885 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:39,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-29 02:49:39,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394814348] [2021-10-29 02:49:39,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-29 02:49:39,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:39,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-29 02:49:39,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-29 02:49:39,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,894 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:39,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 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) [2021-10-29 02:49:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:40,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 02:49:40,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 02:49:40,367 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:40,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:40,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1047352927, now seen corresponding path program 1 times [2021-10-29 02:49:40,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:40,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073393836] [2021-10-29 02:49:40,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:40,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:40,920 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:49:40,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:40,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073393836] [2021-10-29 02:49:40,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073393836] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:40,922 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:40,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-29 02:49:40,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130183859] [2021-10-29 02:49:40,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-29 02:49:40,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:40,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-29 02:49:40,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-10-29 02:49:40,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:40,925 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:40,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.857142857142857) internal successors, (96), 14 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:40,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-29 02:49:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:42,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-29 02:49:42,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 02:49:42,458 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:42,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:42,459 INFO L85 PathProgramCache]: Analyzing trace with hash -11107362, now seen corresponding path program 1 times [2021-10-29 02:49:42,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:42,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482835601] [2021-10-29 02:49:42,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:42,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:43,119 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 213 proven. 14 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2021-10-29 02:49:43,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:43,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482835601] [2021-10-29 02:49:43,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482835601] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 02:49:43,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939734686] [2021-10-29 02:49:43,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:43,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 02:49:43,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:43,122 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 02:49:43,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-29 02:49:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:43,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 47 conjunts are in the unsatisfiable core [2021-10-29 02:49:43,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:49:44,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-29 02:49:45,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-10-29 02:49:45,919 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 02:49:45,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 30 [2021-10-29 02:49:45,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-10-29 02:49:46,076 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 218 proven. 72 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-10-29 02:49:46,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939734686] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 02:49:46,077 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-29 02:49:46,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 22] total 37 [2021-10-29 02:49:46,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966258495] [2021-10-29 02:49:46,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-10-29 02:49:46,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:46,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-10-29 02:49:46,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1201, Unknown=0, NotChecked=0, Total=1332 [2021-10-29 02:49:46,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:46,089 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:46,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 8.594594594594595) internal successors, (318), 37 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:46,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:46,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:46,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-29 02:49:46,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:48,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:48,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:48,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-29 02:49:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-29 02:49:48,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-29 02:49:48,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 02:49:48,566 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:48,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:48,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1230282473, now seen corresponding path program 2 times [2021-10-29 02:49:48,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:48,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667785100] [2021-10-29 02:49:48,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:48,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:49,211 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 74 proven. 8 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-10-29 02:49:49,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:49,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667785100] [2021-10-29 02:49:49,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667785100] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 02:49:49,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206328447] [2021-10-29 02:49:49,212 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-29 02:49:49,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 02:49:49,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:49,214 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 02:49:49,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-29 02:49:49,576 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-29 02:49:49,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-29 02:49:49,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 61 conjunts are in the unsatisfiable core [2021-10-29 02:49:49,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:49:49,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-10-29 02:49:50,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-29 02:49:50,464 INFO L354 Elim1Store]: treesize reduction 34, result has 29.2 percent of original size [2021-10-29 02:49:50,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 29 [2021-10-29 02:49:51,045 INFO L354 Elim1Store]: treesize reduction 39, result has 18.8 percent of original size [2021-10-29 02:49:51,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 29 [2021-10-29 02:49:51,377 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:51,535 INFO L354 Elim1Store]: treesize reduction 28, result has 24.3 percent of original size [2021-10-29 02:49:51,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 18 [2021-10-29 02:49:52,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-29 02:49:52,257 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-10-29 02:49:52,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-10-29 02:49:52,664 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 109 proven. 61 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 02:49:52,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206328447] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 02:49:52,664 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-29 02:49:52,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 25] total 43 [2021-10-29 02:49:52,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970380344] [2021-10-29 02:49:52,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-10-29 02:49:52,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:52,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-10-29 02:49:52,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1653, Unknown=0, NotChecked=0, Total=1806 [2021-10-29 02:49:52,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:52,672 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:52,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 7.372093023255814) internal successors, (317), 43 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:52,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:52,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:52,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-29 02:49:52,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-29 02:49:52,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:55,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:55,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:55,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-29 02:49:55,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-10-29 02:49:55,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-29 02:49:55,645 INFO L764 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 02:49:55,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-29 02:49:55,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 02:49:55,880 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2021-10-29 02:49:55,888 INFO L308 ceAbstractionStarter]: Result for error location workerThread1of1ForFork0 was SAFE (1/2) [2021-10-29 02:49:55,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-29 02:49:55,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:55,892 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-29 02:49:55,903 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-29 02:49:55,904 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 [2021-10-29 02:49:55,904 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 02:49:55,909 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 02:49:55,911 INFO L731 BasicCegarLoop]: Path program histogram: [] [2021-10-29 02:49:55,911 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-10-29 02:49:55,912 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 02:49:55,912 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 02:49:55,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 02:49:55 BasicIcfg [2021-10-29 02:49:55,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 02:49:55,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:49:55,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:49:55,916 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:49:55,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:49:38" (3/4) ... [2021-10-29 02:49:55,919 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 02:49:55,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2021-10-29 02:49:55,932 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure worker [2021-10-29 02:49:55,936 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-29 02:49:55,936 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 02:49:55,937 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 02:49:55,937 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:49:55,970 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/witness.graphml [2021-10-29 02:49:55,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:49:55,972 INFO L168 Benchmark]: Toolchain (without parser) took 18456.46 ms. Allocated memory was 86.0 MB in the beginning and 220.2 MB in the end (delta: 134.2 MB). Free memory was 49.9 MB in the beginning and 120.6 MB in the end (delta: -70.8 MB). Peak memory consumption was 61.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:55,972 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 86.0 MB. Free memory was 56.0 MB in the beginning and 55.9 MB in the end (delta: 29.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:49:55,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.09 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 49.7 MB in the beginning and 81.2 MB in the end (delta: -31.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:55,973 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.56 ms. Allocated memory is still 115.3 MB. Free memory was 81.2 MB in the beginning and 79.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:55,974 INFO L168 Benchmark]: Boogie Preprocessor took 35.24 ms. Allocated memory is still 115.3 MB. Free memory was 79.1 MB in the beginning and 77.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:55,974 INFO L168 Benchmark]: RCFGBuilder took 558.94 ms. Allocated memory is still 115.3 MB. Free memory was 77.1 MB in the beginning and 64.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:55,975 INFO L168 Benchmark]: TraceAbstraction took 17151.47 ms. Allocated memory was 115.3 MB in the beginning and 220.2 MB in the end (delta: 104.9 MB). Free memory was 63.6 MB in the beginning and 123.4 MB in the end (delta: -59.9 MB). Peak memory consumption was 47.3 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:55,976 INFO L168 Benchmark]: Witness Printer took 55.15 ms. Allocated memory is still 220.2 MB. Free memory was 123.4 MB in the beginning and 120.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:55,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 86.0 MB. Free memory was 56.0 MB in the beginning and 55.9 MB in the end (delta: 29.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 592.09 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 49.7 MB in the beginning and 81.2 MB in the end (delta: -31.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.56 ms. Allocated memory is still 115.3 MB. Free memory was 81.2 MB in the beginning and 79.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.24 ms. Allocated memory is still 115.3 MB. Free memory was 79.1 MB in the beginning and 77.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 558.94 ms. Allocated memory is still 115.3 MB. Free memory was 77.1 MB in the beginning and 64.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17151.47 ms. Allocated memory was 115.3 MB in the beginning and 220.2 MB in the end (delta: 104.9 MB). Free memory was 63.6 MB in the beginning and 123.4 MB in the end (delta: -59.9 MB). Peak memory consumption was 47.3 MB. Max. memory is 16.1 GB. * Witness Printer took 55.15 ms. Allocated memory is still 220.2 MB. Free memory was 123.4 MB in the beginning and 120.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 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: 6161, positive: 5902, positive conditional: 2243, positive unconditional: 3659, negative: 259, negative conditional: 241, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5960, positive: 5902, positive conditional: 2243, positive unconditional: 3659, negative: 58, negative conditional: 40, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5960, positive: 5902, positive conditional: 2243, positive unconditional: 3659, negative: 58, negative conditional: 40, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6054, positive: 5902, positive conditional: 2183, positive unconditional: 3719, negative: 152, negative conditional: 94, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6054, positive: 5902, positive conditional: 1589, positive unconditional: 4313, negative: 152, negative conditional: 72, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6054, positive: 5902, positive conditional: 1589, positive unconditional: 4313, negative: 152, negative conditional: 72, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2439, positive: 2394, positive conditional: 5, positive unconditional: 2389, negative: 45, negative conditional: 27, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2439, positive: 2383, positive conditional: 0, positive unconditional: 2383, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 11, positive conditional: 5, positive unconditional: 6, negative: 45, negative conditional: 27, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 286, positive: 106, positive conditional: 29, positive unconditional: 77, negative: 180, negative conditional: 102, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6054, positive: 3508, positive conditional: 1584, positive unconditional: 1924, negative: 107, negative conditional: 45, negative unconditional: 62, unknown: 2439, unknown conditional: 32, unknown unconditional: 2407] , Statistics on independence cache: Total cache size (in pairs): 2439, Positive cache size: 2394, Positive conditional cache size: 5, Positive unconditional cache size: 2389, Negative cache size: 45, Negative conditional cache size: 27, Negative unconditional cache size: 18, Eliminated conditions: 616, Maximal queried relation: 4, Independence queries for same thread: 201 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 309, Number of persistent set computation: 357, Number of trivial persistent sets: 219, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3677, positive: 3659, positive conditional: 0, positive unconditional: 3659, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6161, positive: 5902, positive conditional: 2243, positive unconditional: 3659, negative: 259, negative conditional: 241, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5960, positive: 5902, positive conditional: 2243, positive unconditional: 3659, negative: 58, negative conditional: 40, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5960, positive: 5902, positive conditional: 2243, positive unconditional: 3659, negative: 58, negative conditional: 40, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6054, positive: 5902, positive conditional: 2183, positive unconditional: 3719, negative: 152, negative conditional: 94, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6054, positive: 5902, positive conditional: 1589, positive unconditional: 4313, negative: 152, negative conditional: 72, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6054, positive: 5902, positive conditional: 1589, positive unconditional: 4313, negative: 152, negative conditional: 72, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2439, positive: 2394, positive conditional: 5, positive unconditional: 2389, negative: 45, negative conditional: 27, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2439, positive: 2383, positive conditional: 0, positive unconditional: 2383, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 11, positive conditional: 5, positive unconditional: 6, negative: 45, negative conditional: 27, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 286, positive: 106, positive conditional: 29, positive unconditional: 77, negative: 180, negative conditional: 102, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6054, positive: 3508, positive conditional: 1584, positive unconditional: 1924, negative: 107, negative conditional: 45, negative unconditional: 62, unknown: 2439, unknown conditional: 32, unknown unconditional: 2407] , Statistics on independence cache: Total cache size (in pairs): 2439, Positive cache size: 2394, Positive conditional cache size: 5, Positive unconditional cache size: 2389, Negative cache size: 45, Negative conditional cache size: 27, Negative unconditional cache size: 18, Eliminated conditions: 616, Maximal queried relation: 4, Independence queries for same thread: 201 - 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 0, Number of persistent set computation: 35, Number of trivial persistent sets: 35, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, 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 - PositiveResult [Line: 13]: 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: workerThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 147 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 16.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 7.4s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 128, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 1081 NumberOfCodeBlocks, 1081 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1074 ConstructedInterpolants, 24 QuantifiedInterpolants, 6245 SizeOfPredicates, 57 NumberOfNonLiveVariables, 873 ConjunctsInSsa, 108 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 1023/1178 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 3 procedures, 147 locations, 3 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-29 02:49:56,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2021-10-29 02:49:56,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-29 02:49:56,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd107741-86d2-4148-82a5-77ad37e99cb5/bin/ugemcutter-riF8PgGdml/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...