./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:51:11,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:51:11,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:51:11,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:51:11,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:51:11,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:51:11,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:51:11,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:51:11,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:51:11,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:51:11,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:51:11,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:51:11,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:51:11,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:51:11,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:51:11,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:51:11,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:51:11,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:51:11,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:51:11,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:51:11,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:51:11,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:51:11,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:51:11,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:51:11,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:51:11,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:51:11,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:51:11,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:51:11,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:51:11,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:51:11,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:51:11,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:51:11,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:51:11,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:51:11,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:51:11,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:51:11,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:51:11,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:51:11,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:51:11,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:51:11,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:51:11,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-11-25 18:51:11,367 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:51:11,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:51:11,373 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:51:11,373 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:51:11,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:51:11,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:51:11,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:51:11,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:51:11,376 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:51:11,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:51:11,378 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:51:11,378 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:51:11,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:51:11,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:51:11,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:51:11,379 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 18:51:11,380 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 18:51:11,380 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 18:51:11,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:51:11,380 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 18:51:11,381 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:51:11,381 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:51:11,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:51:11,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:51:11,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:51:11,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:51:11,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:51:11,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:51:11,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:51:11,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:51:11,384 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-25 18:51:11,385 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-25 18:51:11,385 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-25 18:51:11,385 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-25 18:51:11,386 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-25 18:51:11,386 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_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04 [2022-11-25 18:51:11,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:51:11,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:51:11,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:51:11,759 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:51:11,759 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:51:11,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i [2022-11-25 18:51:14,982 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:51:15,324 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:51:15,324 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i [2022-11-25 18:51:15,341 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/data/afd26ebc0/5f0d60f32adf45d19785f6d409d4b089/FLAG32e30e1a4 [2022-11-25 18:51:15,372 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/data/afd26ebc0/5f0d60f32adf45d19785f6d409d4b089 [2022-11-25 18:51:15,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:51:15,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:51:15,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:51:15,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:51:15,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:51:15,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:51:15" (1/1) ... [2022-11-25 18:51:15,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3554cb29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:15, skipping insertion in model container [2022-11-25 18:51:15,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:51:15" (1/1) ... [2022-11-25 18:51:15,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:51:15,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:51:15,605 WARN L237 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_724b6938-732a-48cf-8f1f-af788bedb770/sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2022-11-25 18:51:15,941 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-11-25 18:51:15,951 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-11-25 18:51:15,957 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-11-25 18:51:15,967 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-11-25 18:51:15,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:51:15,984 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:51:15,997 WARN L237 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_724b6938-732a-48cf-8f1f-af788bedb770/sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2022-11-25 18:51:16,060 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-11-25 18:51:16,062 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-11-25 18:51:16,064 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-11-25 18:51:16,068 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-11-25 18:51:16,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:51:16,129 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:51:16,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:16 WrapperNode [2022-11-25 18:51:16,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:51:16,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:51:16,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:51:16,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:51:16,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:16" (1/1) ... [2022-11-25 18:51:16,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:16" (1/1) ... [2022-11-25 18:51:16,224 INFO L138 Inliner]: procedures = 271, calls = 45, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2022-11-25 18:51:16,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:51:16,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:51:16,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:51:16,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:51:16,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:16" (1/1) ... [2022-11-25 18:51:16,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:16" (1/1) ... [2022-11-25 18:51:16,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:16" (1/1) ... [2022-11-25 18:51:16,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:16" (1/1) ... [2022-11-25 18:51:16,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:16" (1/1) ... [2022-11-25 18:51:16,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:16" (1/1) ... [2022-11-25 18:51:16,291 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:16" (1/1) ... [2022-11-25 18:51:16,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:16" (1/1) ... [2022-11-25 18:51:16,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:51:16,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:51:16,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:51:16,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:51:16,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:16" (1/1) ... [2022-11-25 18:51:16,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:51:16,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:51:16,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:51:16,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:51:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-11-25 18:51:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:51:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2022-11-25 18:51:16,391 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2022-11-25 18:51:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:51:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:51:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 18:51:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:51:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2022-11-25 18:51:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2022-11-25 18:51:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure process [2022-11-25 18:51:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2022-11-25 18:51:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:51:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:51:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:51:16,394 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:51:16,728 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:51:16,731 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:51:17,058 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:51:17,089 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:51:17,089 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 18:51:17,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:51:17 BoogieIcfgContainer [2022-11-25 18:51:17,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:51:17,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:51:17,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:51:17,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:51:17,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:51:15" (1/3) ... [2022-11-25 18:51:17,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55aa46f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:51:17, skipping insertion in model container [2022-11-25 18:51:17,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:16" (2/3) ... [2022-11-25 18:51:17,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55aa46f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:51:17, skipping insertion in model container [2022-11-25 18:51:17,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:51:17" (3/3) ... [2022-11-25 18:51:17,116 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2022-11-25 18:51:17,137 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:51:17,137 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2022-11-25 18:51:17,138 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:51:17,311 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 18:51:17,380 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:51:17,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-25 18:51:17,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:51:17,382 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-25 18:51:17,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-25 18:51:17,438 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-25 18:51:17,453 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == disposeThread1of1ForFork2 ======== [2022-11-25 18:51:17,461 INFO L357 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=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@14a2c8b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:51:17,461 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 18:51:18,008 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [disposeErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-25 18:51:18,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:51:18,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1050172099, now seen corresponding path program 1 times [2022-11-25 18:51:18,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:51:18,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978346445] [2022-11-25 18:51:18,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:18,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:51:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:19,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:51:19,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:51:19,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978346445] [2022-11-25 18:51:19,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978346445] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:51:19,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:51:19,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:51:19,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370563424] [2022-11-25 18:51:19,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:51:19,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:51:19,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:51:19,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:51:19,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:51:19,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:19,373 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:51:19,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 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) [2022-11-25 18:51:19,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:19,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:19,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:51:19,729 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [disposeErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-25 18:51:19,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:51:19,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1240292182, now seen corresponding path program 1 times [2022-11-25 18:51:19,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:51:19,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756051828] [2022-11-25 18:51:19,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:19,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:51:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:19,910 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:51:19,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:51:19,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756051828] [2022-11-25 18:51:19,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756051828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:51:19,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:51:19,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:51:19,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68977654] [2022-11-25 18:51:19,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:51:19,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:51:19,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:51:19,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:51:19,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:51:19,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:19,917 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:51:19,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2022-11-25 18:51:19,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:19,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:20,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:20,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:20,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:51:20,001 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [disposeErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-25 18:51:20,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:51:20,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1999106682, now seen corresponding path program 1 times [2022-11-25 18:51:20,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:51:20,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838469435] [2022-11-25 18:51:20,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:20,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:51:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:20,753 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:51:20,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:51:20,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838469435] [2022-11-25 18:51:20,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838469435] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:51:20,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:51:20,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:51:20,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443031969] [2022-11-25 18:51:20,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:51:20,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:51:20,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:51:20,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:51:20,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:51:20,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:20,767 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:51:20,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 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) [2022-11-25 18:51:20,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:20,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:20,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:20,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:20,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:20,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:51:20,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:51:20,967 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [disposeErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-25 18:51:20,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:51:20,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1302226884, now seen corresponding path program 1 times [2022-11-25 18:51:20,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:51:20,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370981603] [2022-11-25 18:51:20,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:20,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:51:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:21,219 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:51:21,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:51:21,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370981603] [2022-11-25 18:51:21,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370981603] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:51:21,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926692917] [2022-11-25 18:51:21,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:21,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:51:21,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:51:21,263 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:51:21,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 18:51:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:21,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:51:21,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:51:21,523 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 18:51:21,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:51:21,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926692917] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:51:21,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:51:21,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-25 18:51:21,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152765520] [2022-11-25 18:51:21,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:51:21,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:51:21,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:51:21,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:51:21,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:51:21,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:21,527 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:51:21,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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) [2022-11-25 18:51:21,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:21,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:21,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:51:21,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:21,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:21,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:21,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:21,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:21,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-25 18:51:21,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:51:21,824 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [disposeErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-25 18:51:21,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:51:21,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1012893168, now seen corresponding path program 1 times [2022-11-25 18:51:21,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:51:21,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39035504] [2022-11-25 18:51:21,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:21,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:51:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:22,051 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 18:51:22,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:51:22,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39035504] [2022-11-25 18:51:22,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39035504] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:51:22,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347292845] [2022-11-25 18:51:22,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:22,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:51:22,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:51:22,055 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:51:22,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 18:51:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:22,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 18:51:22,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:51:22,349 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 18:51:22,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:51:22,425 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 18:51:22,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347292845] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:51:22,426 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:51:22,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-25 18:51:22,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980908281] [2022-11-25 18:51:22,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:51:22,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 18:51:22,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:51:22,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 18:51:22,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:51:22,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:22,433 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:51:22,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.9) internal successors, (169), 10 states have internal predecessors, (169), 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) [2022-11-25 18:51:22,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:22,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:22,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:22,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:22,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:22,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:22,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:22,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:22,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:22,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:22,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:51:22,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:51:22,814 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [disposeErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-25 18:51:22,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:51:22,815 INFO L85 PathProgramCache]: Analyzing trace with hash 2002538956, now seen corresponding path program 2 times [2022-11-25 18:51:22,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:51:22,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142392719] [2022-11-25 18:51:22,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:22,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:51:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:23,680 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-25 18:51:23,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:51:23,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142392719] [2022-11-25 18:51:23,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142392719] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:51:23,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:51:23,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:51:23,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538688561] [2022-11-25 18:51:23,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:51:23,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:51:23,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:51:23,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:51:23,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:51:23,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:23,694 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:51:23,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 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) [2022-11-25 18:51:23,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:23,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:23,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:23,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:23,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:23,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:24,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:24,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:24,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:24,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:24,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:24,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:24,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:51:24,716 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [disposeErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-25 18:51:24,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:51:24,716 INFO L85 PathProgramCache]: Analyzing trace with hash -582469589, now seen corresponding path program 1 times [2022-11-25 18:51:24,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:51:24,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257131853] [2022-11-25 18:51:24,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:24,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:51:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:25,053 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 166 proven. 1 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-11-25 18:51:25,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:51:25,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257131853] [2022-11-25 18:51:25,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257131853] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:51:25,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102274681] [2022-11-25 18:51:25,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:25,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:51:25,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:51:25,060 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:51:25,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 18:51:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:25,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 18:51:25,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:51:25,604 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 203 proven. 99 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-25 18:51:25,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:51:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 203 proven. 99 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-25 18:51:25,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102274681] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:51:25,932 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:51:25,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2022-11-25 18:51:25,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838819813] [2022-11-25 18:51:25,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:51:25,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-25 18:51:25,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:51:25,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-25 18:51:25,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2022-11-25 18:51:25,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:25,940 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:51:25,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 19.789473684210527) internal successors, (376), 19 states have internal predecessors, (376), 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) [2022-11-25 18:51:25,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:25,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:25,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:25,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:25,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:25,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:25,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:28,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:28,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-11-25 18:51:28,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 18:51:28,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:51:28,386 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [disposeErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-25 18:51:28,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:51:28,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1016999506, now seen corresponding path program 2 times [2022-11-25 18:51:28,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:51:28,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158345011] [2022-11-25 18:51:28,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:28,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:51:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:30,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1289 backedges. 532 proven. 679 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-25 18:51:30,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:51:30,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158345011] [2022-11-25 18:51:30,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158345011] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:51:30,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857424229] [2022-11-25 18:51:30,101 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:51:30,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:51:30,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:51:30,103 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:51:30,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 18:51:30,434 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 18:51:30,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:51:30,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 18:51:30,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:51:30,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1289 backedges. 532 proven. 679 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-25 18:51:30,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:51:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1289 backedges. 532 proven. 679 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-25 18:51:31,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857424229] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:51:31,455 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:51:31,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-11-25 18:51:31,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331778038] [2022-11-25 18:51:31,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:51:31,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-25 18:51:31,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:51:31,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-25 18:51:31,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-11-25 18:51:31,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:31,461 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:51:31,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 19.434782608695652) internal successors, (447), 23 states have internal predecessors, (447), 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) [2022-11-25 18:51:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-11-25 18:51:31,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:33,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:33,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:33,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:33,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:33,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:33,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:33,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-11-25 18:51:33,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-25 18:51:33,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 18:51:33,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:51:33,628 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [disposeErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-25 18:51:33,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:51:33,628 INFO L85 PathProgramCache]: Analyzing trace with hash 318404063, now seen corresponding path program 3 times [2022-11-25 18:51:33,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:51:33,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337298473] [2022-11-25 18:51:33,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:33,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:51:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:34,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 583 proven. 27 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2022-11-25 18:51:34,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:51:34,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337298473] [2022-11-25 18:51:34,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337298473] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:51:34,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351026391] [2022-11-25 18:51:34,373 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 18:51:34,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:51:34,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:51:34,390 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:51:34,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 18:51:34,672 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-25 18:51:34,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:51:34,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-25 18:51:34,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:51:34,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 321 proven. 10 refuted. 0 times theorem prover too weak. 1930 trivial. 0 not checked. [2022-11-25 18:51:34,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:51:34,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 321 proven. 10 refuted. 0 times theorem prover too weak. 1930 trivial. 0 not checked. [2022-11-25 18:51:34,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351026391] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:51:34,995 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:51:34,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 11] total 18 [2022-11-25 18:51:34,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9202037] [2022-11-25 18:51:34,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:51:34,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-25 18:51:34,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:51:34,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-25 18:51:34,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2022-11-25 18:51:34,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:35,000 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:51:35,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 13.722222222222221) internal successors, (247), 18 states have internal predecessors, (247), 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) [2022-11-25 18:51:35,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:35,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:35,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:35,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:35,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:35,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:35,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-11-25 18:51:35,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-25 18:51:35,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:38,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:38,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:38,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:38,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:38,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:38,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-11-25 18:51:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-25 18:51:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-25 18:51:38,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 18:51:39,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-25 18:51:39,017 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [disposeErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-25 18:51:39,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:51:39,018 INFO L85 PathProgramCache]: Analyzing trace with hash -72733862, now seen corresponding path program 1 times [2022-11-25 18:51:39,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:51:39,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544490952] [2022-11-25 18:51:39,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:39,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:51:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:39,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2961 backedges. 1164 proven. 78 refuted. 0 times theorem prover too weak. 1719 trivial. 0 not checked. [2022-11-25 18:51:39,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:51:39,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544490952] [2022-11-25 18:51:39,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544490952] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:51:39,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965647505] [2022-11-25 18:51:39,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:39,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:51:39,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:51:39,831 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:51:39,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 18:51:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:40,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 18:51:40,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:51:40,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2961 backedges. 1164 proven. 78 refuted. 0 times theorem prover too weak. 1719 trivial. 0 not checked. [2022-11-25 18:51:40,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:51:40,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2961 backedges. 1164 proven. 78 refuted. 0 times theorem prover too weak. 1719 trivial. 0 not checked. [2022-11-25 18:51:40,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965647505] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:51:40,726 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:51:40,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-11-25 18:51:40,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138299949] [2022-11-25 18:51:40,730 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:51:40,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-25 18:51:40,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:51:40,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-25 18:51:40,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-11-25 18:51:40,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:40,736 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:51:40,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 17.5) internal successors, (315), 18 states have internal predecessors, (315), 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) [2022-11-25 18:51:40,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:40,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:40,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:40,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:40,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:40,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:40,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-11-25 18:51:40,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-25 18:51:40,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-25 18:51:40,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:44,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:44,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:44,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:44,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:44,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:44,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:44,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-11-25 18:51:44,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-25 18:51:44,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-25 18:51:44,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:51:44,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 18:51:44,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:51:44,403 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [disposeErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-25 18:51:44,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:51:44,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1720371814, now seen corresponding path program 2 times [2022-11-25 18:51:44,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:51:44,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244931639] [2022-11-25 18:51:44,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:44,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:51:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:46,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4243 backedges. 1992 proven. 532 refuted. 0 times theorem prover too weak. 1719 trivial. 0 not checked. [2022-11-25 18:51:46,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:51:46,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244931639] [2022-11-25 18:51:46,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244931639] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:51:46,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426755855] [2022-11-25 18:51:46,100 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:51:46,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:51:46,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:51:46,102 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:51:46,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 18:51:46,576 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 18:51:46,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:51:46,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 1487 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 18:51:46,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:51:46,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4243 backedges. 1992 proven. 532 refuted. 0 times theorem prover too weak. 1719 trivial. 0 not checked. [2022-11-25 18:51:46,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:51:47,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4243 backedges. 1992 proven. 532 refuted. 0 times theorem prover too weak. 1719 trivial. 0 not checked. [2022-11-25 18:51:47,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426755855] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:51:47,516 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:51:47,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2022-11-25 18:51:47,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19154855] [2022-11-25 18:51:47,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:51:47,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-25 18:51:47,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:51:47,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-25 18:51:47,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 18:51:47,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:47,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:51:47,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 15.147058823529411) internal successors, (515), 34 states have internal predecessors, (515), 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) [2022-11-25 18:51:47,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:47,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:47,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:47,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:47,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:47,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:47,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-11-25 18:51:47,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-25 18:51:47,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-25 18:51:47,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:51:47,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:54,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:54,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:54,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:54,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:54,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:51:54,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:54,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-11-25 18:51:54,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-25 18:51:54,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-25 18:51:54,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:51:54,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-25 18:51:54,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 18:51:54,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:51:54,684 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [disposeErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-25 18:51:54,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:51:54,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1198320154, now seen corresponding path program 3 times [2022-11-25 18:51:54,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:51:54,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677826966] [2022-11-25 18:51:54,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:54,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:51:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:58,649 INFO L134 CoverageAnalysis]: Checked inductivity of 8007 backedges. 3648 proven. 2640 refuted. 0 times theorem prover too weak. 1719 trivial. 0 not checked. [2022-11-25 18:51:58,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:51:58,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677826966] [2022-11-25 18:51:58,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677826966] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:51:58,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818588988] [2022-11-25 18:51:58,650 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 18:51:58,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:51:58,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:51:58,652 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:51:58,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 18:51:59,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-25 18:51:59,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:51:59,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-25 18:51:59,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:52:01,031 INFO L134 CoverageAnalysis]: Checked inductivity of 8007 backedges. 16 proven. 1288 refuted. 0 times theorem prover too weak. 6703 trivial. 0 not checked. [2022-11-25 18:52:01,032 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:52:01,702 INFO L134 CoverageAnalysis]: Checked inductivity of 8007 backedges. 1038 proven. 34 refuted. 0 times theorem prover too weak. 6935 trivial. 0 not checked. [2022-11-25 18:52:01,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818588988] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:52:01,703 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:52:01,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 19, 19] total 60 [2022-11-25 18:52:01,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760259940] [2022-11-25 18:52:01,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:52:01,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-11-25 18:52:01,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:52:01,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-11-25 18:52:01,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=3179, Unknown=0, NotChecked=0, Total=3540 [2022-11-25 18:52:01,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:52:01,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:52:01,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 12.416666666666666) internal successors, (745), 60 states have internal predecessors, (745), 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) [2022-11-25 18:52:01,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:52:01,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:52:01,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:52:01,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:52:01,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:52:01,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:52:01,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-11-25 18:52:01,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-25 18:52:01,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-25 18:52:01,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:52:01,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-11-25 18:52:01,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:52:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:52:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:52:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:52:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:52:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:52:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:52:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-11-25 18:52:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-25 18:52:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-25 18:52:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:52:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-25 18:52:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 297 states. [2022-11-25 18:52:30,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-25 18:52:31,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-25 18:52:31,014 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [disposeErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-25 18:52:31,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:52:31,014 INFO L85 PathProgramCache]: Analyzing trace with hash 910062704, now seen corresponding path program 4 times [2022-11-25 18:52:31,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:52:31,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337749486] [2022-11-25 18:52:31,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:52:31,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:52:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:52:35,204 INFO L134 CoverageAnalysis]: Checked inductivity of 9386 backedges. 3640 proven. 4073 refuted. 0 times theorem prover too weak. 1673 trivial. 0 not checked. [2022-11-25 18:52:35,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:52:35,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337749486] [2022-11-25 18:52:35,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337749486] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:52:35,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820527979] [2022-11-25 18:52:35,205 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 18:52:35,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:52:35,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:52:35,206 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:52:35,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724b6938-732a-48cf-8f1f-af788bedb770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-25 18:52:35,920 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 18:52:35,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:52:35,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 1991 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-25 18:52:35,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:52:39,600 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 7 [2022-11-25 18:52:39,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:52:39,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-25 18:52:39,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:52:39,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-25 18:52:39,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:52:39,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-25 18:52:39,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:52:39,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-25 18:52:39,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:52:39,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-25 18:52:39,930 INFO L134 CoverageAnalysis]: Checked inductivity of 9386 backedges. 1602 proven. 104 refuted. 0 times theorem prover too weak. 7680 trivial. 0 not checked. [2022-11-25 18:52:39,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:52:39,974 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3071 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#mutex_B~0.base| v_ArrVal_3071) |c_~#mutex_A~0.base|) |c_~#mutex_A~0.offset|) 0))) is different from false [2022-11-25 18:52:40,103 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:52:40,104 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2022-11-25 18:52:40,108 INFO L350 Elim1Store]: Elim1 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 33 treesize of output 25 [2022-11-25 18:52:42,295 INFO L134 CoverageAnalysis]: Checked inductivity of 9386 backedges. 1181 proven. 101 refuted. 0 times theorem prover too weak. 7680 trivial. 424 not checked. [2022-11-25 18:52:42,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820527979] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:52:42,296 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:52:42,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 6, 6] total 46 [2022-11-25 18:52:42,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769013075] [2022-11-25 18:52:42,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:52:42,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-11-25 18:52:42,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:52:42,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-11-25 18:52:42,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=422, Invalid=1561, Unknown=1, NotChecked=86, Total=2070 [2022-11-25 18:52:42,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:52:42,307 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:52:42,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 18.847826086956523) internal successors, (867), 46 states have internal predecessors, (867), 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) [2022-11-25 18:52:42,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:52:42,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:52:42,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:52:42,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:52:42,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:52:42,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:52:42,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-11-25 18:52:42,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-25 18:52:42,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-25 18:52:42,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:52:42,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-11-25 18:52:42,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 297 states. [2022-11-25 18:52:42,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.