./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b034d85232772d264d33ccb960d3ce3e7bf57df858fd0c6fd0b22127388c3f9a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 08:18:13,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 08:18:13,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-05 08:18:13,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 08:18:13,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-05 08:18:13,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 08:18:13,930 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-05 08:18:13,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-05 08:18:13,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 08:18:13,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-05 08:18:13,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 08:18:13,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 08:18:13,932 INFO L153 SettingsManager]: * Use SBE=true [2024-12-05 08:18:13,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 08:18:13,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 08:18:13,932 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 08:18:13,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 08:18:13,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 08:18:13,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 08:18:13,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 08:18:13,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 08:18:13,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 08:18:13,933 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 08:18:13,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 08:18:13,933 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 08:18:13,933 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 08:18:13,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 08:18:13,933 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-05 08:18:13,933 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-05 08:18:13,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-05 08:18:13,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 08:18:13,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 08:18:13,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 08:18:13,934 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-05 08:18:13,934 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-05 08:18:13,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 08:18:13,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-05 08:18:13,934 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-05 08:18:13,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 08:18:13,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-05 08:18:13,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-05 08:18:13,934 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-05 08:18:13,935 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-05 08:18:13,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b034d85232772d264d33ccb960d3ce3e7bf57df858fd0c6fd0b22127388c3f9a [2024-12-05 08:18:14,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 08:18:14,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 08:18:14,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 08:18:14,194 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 08:18:14,194 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 08:18:14,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c [2024-12-05 08:18:16,905 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/data/3a19a7e65/fd0e2276717b4719b7a020fce989054d/FLAG95f396067 [2024-12-05 08:18:17,080 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 08:18:17,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c [2024-12-05 08:18:17,088 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/data/3a19a7e65/fd0e2276717b4719b7a020fce989054d/FLAG95f396067 [2024-12-05 08:18:17,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/data/3a19a7e65/fd0e2276717b4719b7a020fce989054d [2024-12-05 08:18:17,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 08:18:17,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 08:18:17,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 08:18:17,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 08:18:17,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 08:18:17,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:18:17" (1/1) ... [2024-12-05 08:18:17,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146ee8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:17, skipping insertion in model container [2024-12-05 08:18:17,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:18:17" (1/1) ... [2024-12-05 08:18:17,131 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 08:18:17,293 WARN L250 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_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c[2592,2605] [2024-12-05 08:18:17,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 08:18:17,311 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 08:18:17,331 WARN L250 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_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c[2592,2605] [2024-12-05 08:18:17,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 08:18:17,350 INFO L204 MainTranslator]: Completed translation [2024-12-05 08:18:17,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:17 WrapperNode [2024-12-05 08:18:17,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 08:18:17,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 08:18:17,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 08:18:17,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 08:18:17,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:17" (1/1) ... [2024-12-05 08:18:17,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:17" (1/1) ... [2024-12-05 08:18:17,386 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 165 [2024-12-05 08:18:17,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 08:18:17,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 08:18:17,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 08:18:17,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 08:18:17,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:17" (1/1) ... [2024-12-05 08:18:17,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:17" (1/1) ... [2024-12-05 08:18:17,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:17" (1/1) ... [2024-12-05 08:18:17,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:17" (1/1) ... [2024-12-05 08:18:17,403 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:17" (1/1) ... [2024-12-05 08:18:17,404 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:17" (1/1) ... [2024-12-05 08:18:17,408 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:17" (1/1) ... [2024-12-05 08:18:17,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:17" (1/1) ... [2024-12-05 08:18:17,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:17" (1/1) ... [2024-12-05 08:18:17,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 08:18:17,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 08:18:17,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 08:18:17,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 08:18:17,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:17" (1/1) ... [2024-12-05 08:18:17,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 08:18:17,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:18:17,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-05 08:18:17,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-05 08:18:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 08:18:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-05 08:18:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-05 08:18:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-05 08:18:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-05 08:18:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 08:18:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 08:18:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 08:18:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 08:18:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 08:18:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 08:18:17,480 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 08:18:17,566 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 08:18:17,567 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 08:18:17,822 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 08:18:17,822 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 08:18:18,012 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 08:18:18,012 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-05 08:18:18,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:18:18 BoogieIcfgContainer [2024-12-05 08:18:18,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 08:18:18,015 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-05 08:18:18,015 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-05 08:18:18,019 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-05 08:18:18,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:18:17" (1/3) ... [2024-12-05 08:18:18,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55593ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:18:18, skipping insertion in model container [2024-12-05 08:18:18,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:17" (2/3) ... [2024-12-05 08:18:18,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55593ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:18:18, skipping insertion in model container [2024-12-05 08:18:18,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:18:18" (3/3) ... [2024-12-05 08:18:18,022 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-chromosome-opt-symm.wvr.c [2024-12-05 08:18:18,033 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-05 08:18:18,034 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-chromosome-opt-symm.wvr.c that has 3 procedures, 23 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-12-05 08:18:18,034 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-05 08:18:18,078 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-05 08:18:18,121 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:18:18,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-05 08:18:18,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:18:18,124 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-05 08:18:18,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-05 08:18:18,185 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-05 08:18:18,199 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-05 08:18:18,205 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@40c01779, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:18:18,206 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-05 08:18:18,353 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:18:18,353 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:18,353 INFO L139 ounterexampleChecker]: Examining path program with hash 135616689, occurence #1 [2024-12-05 08:18:18,353 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:18:18,353 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:18,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:18,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1689057810, now seen corresponding path program 1 times [2024-12-05 08:18:18,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:18,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485146629] [2024-12-05 08:18:18,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:18,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:18,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:18,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:18,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485146629] [2024-12-05 08:18:18,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485146629] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:18:18,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:18:18,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-05 08:18:18,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058398535] [2024-12-05 08:18:18,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:18:18,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-05 08:18:18,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:18:18,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-05 08:18:18,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-05 08:18:18,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:18,671 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:18:18,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-12-05 08:18:18,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:18,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:18,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-05 08:18:18,759 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:18:18,759 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:18,760 INFO L139 ounterexampleChecker]: Examining path program with hash -793884028, occurence #1 [2024-12-05 08:18:18,760 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:18:18,760 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:18,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:18,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1468470253, now seen corresponding path program 1 times [2024-12-05 08:18:18,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:18,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065138759] [2024-12-05 08:18:18,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:18,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:18,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:18,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:18,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065138759] [2024-12-05 08:18:18,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065138759] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:18:18,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:18:18,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-05 08:18:18,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165032625] [2024-12-05 08:18:18,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:18:18,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-05 08:18:18,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:18:18,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-05 08:18:18,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-05 08:18:18,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:18,888 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:18:18,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2024-12-05 08:18:18,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:18,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:18,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:18,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:18,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-05 08:18:18,957 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:18:18,958 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:18,958 INFO L139 ounterexampleChecker]: Examining path program with hash -793884028, occurence #2 [2024-12-05 08:18:18,958 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:18:18,958 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-05 08:18:18,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:18,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-05 08:18:18,978 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:18,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-05 08:18:18,978 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:18,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-05 08:18:18,978 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:18,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-05 08:18:18,978 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:18,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-05 08:18:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:18,979 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:18:18,979 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:18,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:18,979 INFO L85 PathProgramCache]: Analyzing trace with hash -66738247, now seen corresponding path program 1 times [2024-12-05 08:18:18,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:18,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711011805] [2024-12-05 08:18:18,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:18,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:19,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 08:18:19,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:19,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711011805] [2024-12-05 08:18:19,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711011805] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:19,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647839121] [2024-12-05 08:18:19,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:19,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:18:19,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:18:19,110 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:18:19,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-05 08:18:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:19,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 08:18:19,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:18:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 08:18:19,265 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:18:19,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 08:18:19,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647839121] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:18:19,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:18:19,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-12-05 08:18:19,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802288749] [2024-12-05 08:18:19,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:18:19,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-05 08:18:19,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:18:19,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-05 08:18:19,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-12-05 08:18:19,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:19,289 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:18:19,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 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) [2024-12-05 08:18:19,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:19,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:19,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:19,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:19,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:19,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:19,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-05 08:18:19,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:18:19,608 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:18:19,608 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:19,608 INFO L139 ounterexampleChecker]: Examining path program with hash -793884028, occurence #3 [2024-12-05 08:18:19,608 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:18:19,608 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-05 08:18:19,608 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:19,609 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-05 08:18:19,609 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:19,609 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-05 08:18:19,609 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:19,609 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-05 08:18:19,609 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:19,609 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-05 08:18:19,609 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:19,609 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-05 08:18:19,609 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:19,609 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:18:19,609 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:19,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:19,610 INFO L85 PathProgramCache]: Analyzing trace with hash -275034003, now seen corresponding path program 2 times [2024-12-05 08:18:19,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:19,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424165286] [2024-12-05 08:18:19,610 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:18:19,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:19,675 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 08:18:19,676 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:18:20,473 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-05 08:18:20,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:20,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424165286] [2024-12-05 08:18:20,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424165286] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:18:20,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:18:20,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-05 08:18:20,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38085725] [2024-12-05 08:18:20,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:18:20,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-05 08:18:20,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:18:20,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-05 08:18:20,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-05 08:18:20,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:20,474 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:18:20,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 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) [2024-12-05 08:18:20,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:20,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:20,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:20,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:20,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:20,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:20,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:20,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:20,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-05 08:18:20,748 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:18:20,748 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:20,748 INFO L139 ounterexampleChecker]: Examining path program with hash -793884028, occurence #4 [2024-12-05 08:18:20,748 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:18:20,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-05 08:18:20,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:20,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-05 08:18:20,749 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:20,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-05 08:18:20,749 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:20,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:18:20,749 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:20,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-05 08:18:20,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:20,750 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:18:20,750 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:20,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:20,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1036600627, now seen corresponding path program 1 times [2024-12-05 08:18:20,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:20,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593584370] [2024-12-05 08:18:20,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:20,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-05 08:18:20,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:20,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593584370] [2024-12-05 08:18:20,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593584370] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:20,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948879873] [2024-12-05 08:18:20,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:20,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:18:20,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:18:20,905 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:18:20,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-05 08:18:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:21,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 08:18:21,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:18:21,084 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-05 08:18:21,084 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:18:21,154 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-05 08:18:21,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948879873] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:18:21,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:18:21,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2024-12-05 08:18:21,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315095063] [2024-12-05 08:18:21,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:18:21,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-05 08:18:21,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:18:21,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-05 08:18:21,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-12-05 08:18:21,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:21,156 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:18:21,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 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) [2024-12-05 08:18:21,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:21,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:21,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:21,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:21,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:21,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:21,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:21,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:21,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:21,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:21,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-05 08:18:21,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:18:21,545 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:18:21,545 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:21,545 INFO L139 ounterexampleChecker]: Examining path program with hash -793884028, occurence #5 [2024-12-05 08:18:21,546 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:18:21,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-05 08:18:21,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:21,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:18:21,546 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:21,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-05 08:18:21,546 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:21,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-05 08:18:21,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:21,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-05 08:18:21,546 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:21,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:18:21,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:21,546 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:18:21,547 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:21,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:21,547 INFO L85 PathProgramCache]: Analyzing trace with hash -60276130, now seen corresponding path program 1 times [2024-12-05 08:18:21,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:21,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992367036] [2024-12-05 08:18:21,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:21,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:23,085 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 08:18:23,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:23,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992367036] [2024-12-05 08:18:23,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992367036] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:23,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778703864] [2024-12-05 08:18:23,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:23,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:18:23,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:18:23,089 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:18:23,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-05 08:18:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:23,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 08:18:23,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:18:23,495 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 08:18:23,495 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:18:23,705 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-12-05 08:18:23,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 56 [2024-12-05 08:18:23,811 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-05 08:18:23,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778703864] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:18:23,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:18:23,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9, 8] total 28 [2024-12-05 08:18:23,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218183966] [2024-12-05 08:18:23,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:18:23,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-05 08:18:23,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:18:23,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-05 08:18:23,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=661, Unknown=0, NotChecked=0, Total=756 [2024-12-05 08:18:23,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:23,813 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:18:23,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.107142857142857) internal successors, (59), 28 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:18:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:25,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:25,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:25,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:25,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:25,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:25,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-05 08:18:25,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-05 08:18:25,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-12-05 08:18:25,426 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:18:25,426 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:25,426 INFO L139 ounterexampleChecker]: Examining path program with hash -793884028, occurence #6 [2024-12-05 08:18:25,426 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:18:25,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-05 08:18:25,426 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:25,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:18:25,427 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:25,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-05 08:18:25,427 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:25,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-05 08:18:25,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:25,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-05 08:18:25,427 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:25,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-12-05 08:18:25,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:25,427 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:18:25,427 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:25,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:25,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1396193574, now seen corresponding path program 2 times [2024-12-05 08:18:25,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:25,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267254450] [2024-12-05 08:18:25,428 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:18:25,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:25,473 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:18:25,473 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:18:25,616 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-05 08:18:25,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:25,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267254450] [2024-12-05 08:18:25,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267254450] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:25,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475520899] [2024-12-05 08:18:25,617 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:18:25,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:18:25,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:18:25,619 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:18:25,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-05 08:18:25,750 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:18:25,750 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:18:25,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 08:18:25,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:18:25,816 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-05 08:18:25,816 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:18:25,901 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-05 08:18:25,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475520899] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:18:25,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:18:25,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-12-05 08:18:25,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842731492] [2024-12-05 08:18:25,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:18:25,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-05 08:18:25,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:18:25,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-05 08:18:25,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-12-05 08:18:25,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:25,904 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:18:25,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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) [2024-12-05 08:18:25,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:25,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:25,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:25,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:25,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:25,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-05 08:18:25,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:26,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:26,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:26,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:26,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:26,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:26,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-05 08:18:26,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:26,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-05 08:18:26,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-12-05 08:18:26,257 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:18:26,257 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:26,257 INFO L139 ounterexampleChecker]: Examining path program with hash -793884028, occurence #7 [2024-12-05 08:18:26,257 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:18:26,257 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-05 08:18:26,257 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:26,257 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:18:26,257 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:26,257 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-05 08:18:26,257 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:26,258 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-12-05 08:18:26,258 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:26,258 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:18:26,258 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:26,258 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-12-05 08:18:26,258 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:26,258 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:18:26,258 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:26,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:26,258 INFO L85 PathProgramCache]: Analyzing trace with hash -393775413, now seen corresponding path program 3 times [2024-12-05 08:18:26,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:26,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86917122] [2024-12-05 08:18:26,259 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:18:26,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:26,414 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-12-05 08:18:26,414 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:18:26,607 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 47 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 08:18:26,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:26,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86917122] [2024-12-05 08:18:26,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86917122] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:26,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879185813] [2024-12-05 08:18:26,607 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:18:26,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:18:26,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:18:26,609 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:18:26,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-05 08:18:26,901 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-12-05 08:18:26,901 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:18:26,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 08:18:26,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:18:26,943 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-05 08:18:26,943 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-05 08:18:26,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879185813] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:18:26,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-05 08:18:26,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 11 [2024-12-05 08:18:26,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36388794] [2024-12-05 08:18:26,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:18:26,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-05 08:18:26,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:18:26,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-05 08:18:26,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2024-12-05 08:18:26,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:26,945 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:18:26,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 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) [2024-12-05 08:18:26,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:26,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:26,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:26,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:26,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:26,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-05 08:18:26,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:26,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-05 08:18:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:27,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-05 08:18:27,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-12-05 08:18:27,293 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:18:27,293 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:27,293 INFO L139 ounterexampleChecker]: Examining path program with hash -1956003076, occurence #1 [2024-12-05 08:18:27,293 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:18:27,293 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:27,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:27,293 INFO L85 PathProgramCache]: Analyzing trace with hash 529328534, now seen corresponding path program 1 times [2024-12-05 08:18:27,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:27,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822697145] [2024-12-05 08:18:27,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:27,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:27,437 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-12-05 08:18:27,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:27,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822697145] [2024-12-05 08:18:27,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822697145] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:18:27,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:18:27,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-05 08:18:27,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544208652] [2024-12-05 08:18:27,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:18:27,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-05 08:18:27,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:18:27,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-05 08:18:27,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-05 08:18:27,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:27,439 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:18:27,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2024-12-05 08:18:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-05 08:18:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:27,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:27,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:27,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:27,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:27,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:27,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:18:27,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:27,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:27,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:27,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-05 08:18:27,503 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:18:27,503 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:27,503 INFO L139 ounterexampleChecker]: Examining path program with hash -1093952122, occurence #1 [2024-12-05 08:18:27,503 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:18:27,503 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:27,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:27,504 INFO L85 PathProgramCache]: Analyzing trace with hash -741335995, now seen corresponding path program 1 times [2024-12-05 08:18:27,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:27,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695990103] [2024-12-05 08:18:27,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:27,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:27,657 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 28 proven. 17 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 08:18:27,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:27,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695990103] [2024-12-05 08:18:27,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695990103] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:27,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739610268] [2024-12-05 08:18:27,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:27,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:18:27,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:18:27,659 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:18:27,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-05 08:18:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:27,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 08:18:27,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:18:27,841 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 08:18:27,842 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-05 08:18:27,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739610268] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:18:27,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-05 08:18:27,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9 [2024-12-05 08:18:27,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935990850] [2024-12-05 08:18:27,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:18:27,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-05 08:18:27,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:18:27,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-05 08:18:27,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-12-05 08:18:27,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:27,843 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:18:27,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 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) [2024-12-05 08:18:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:18:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:28,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:28,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:28,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:28,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:28,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:28,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:18:28,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:28,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:28,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:28,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:28,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-12-05 08:18:28,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-05 08:18:28,223 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:18:28,223 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:28,223 INFO L139 ounterexampleChecker]: Examining path program with hash -1093952122, occurence #2 [2024-12-05 08:18:28,223 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:18:28,223 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-05 08:18:28,223 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:28,223 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:18:28,224 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:28,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-05 08:18:28,224 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:28,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-05 08:18:28,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:28,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-12-05 08:18:28,224 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:28,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-12-05 08:18:28,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:28,224 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:18:28,224 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:28,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:28,225 INFO L85 PathProgramCache]: Analyzing trace with hash 528093831, now seen corresponding path program 2 times [2024-12-05 08:18:28,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:28,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124550669] [2024-12-05 08:18:28,225 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:18:28,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:28,300 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:18:28,300 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:18:29,591 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 08:18:29,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:29,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124550669] [2024-12-05 08:18:29,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124550669] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:29,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126996229] [2024-12-05 08:18:29,592 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:18:29,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:18:29,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:18:29,594 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:18:29,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-05 08:18:29,734 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:18:29,734 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:18:29,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-05 08:18:29,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:18:30,425 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:18:30,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 59 [2024-12-05 08:18:30,515 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 08:18:30,515 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:18:30,726 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-12-05 08:18:30,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 144 treesize of output 112 [2024-12-05 08:18:30,851 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-05 08:18:30,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126996229] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:18:30,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:18:30,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 22, 9] total 39 [2024-12-05 08:18:30,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329859466] [2024-12-05 08:18:30,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:18:30,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-12-05 08:18:30,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:18:30,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-12-05 08:18:30,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1328, Unknown=0, NotChecked=0, Total=1482 [2024-12-05 08:18:30,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:30,854 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:18:30,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.1538461538461537) internal successors, (84), 39 states have internal predecessors, (84), 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) [2024-12-05 08:18:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:18:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:30,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:30,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:34,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:34,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:34,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:18:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:18:34,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-05 08:18:34,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:18:34,589 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:18:34,589 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:34,589 INFO L139 ounterexampleChecker]: Examining path program with hash -1093952122, occurence #3 [2024-12-05 08:18:34,589 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:18:34,589 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-05 08:18:34,589 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:34,589 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:18:34,589 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:34,589 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-05 08:18:34,589 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:34,589 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-05 08:18:34,590 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:34,590 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-05 08:18:34,590 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:34,590 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-12-05 08:18:34,590 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:34,590 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:18:34,590 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:34,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:34,590 INFO L85 PathProgramCache]: Analyzing trace with hash -2011706294, now seen corresponding path program 2 times [2024-12-05 08:18:34,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:34,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319665405] [2024-12-05 08:18:34,590 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:18:34,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:34,616 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:18:34,616 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:18:34,739 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 08:18:34,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:34,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319665405] [2024-12-05 08:18:34,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319665405] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:34,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926637655] [2024-12-05 08:18:34,739 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:18:34,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:18:34,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:18:34,742 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:18:34,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-05 08:18:34,877 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:18:34,877 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:18:34,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 08:18:34,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:18:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 08:18:34,954 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:18:35,020 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 08:18:35,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926637655] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:18:35,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:18:35,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 10 [2024-12-05 08:18:35,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699473101] [2024-12-05 08:18:35,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:18:35,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-05 08:18:35,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:18:35,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-05 08:18:35,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-12-05 08:18:35,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:35,021 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:18:35,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 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) [2024-12-05 08:18:35,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:35,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:35,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:35,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:35,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:35,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:18:35,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:35,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:35,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:35,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:35,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:18:35,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:18:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-12-05 08:18:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:35,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-05 08:18:35,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:18:35,625 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:18:35,625 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:35,625 INFO L139 ounterexampleChecker]: Examining path program with hash -1093952122, occurence #4 [2024-12-05 08:18:35,625 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:18:35,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-05 08:18:35,625 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:35,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:18:35,626 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:35,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-05 08:18:35,626 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:35,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-05 08:18:35,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:35,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-12-05 08:18:35,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:35,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-05 08:18:35,626 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:35,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-05 08:18:35,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:35,626 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:18:35,626 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:35,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:35,626 INFO L85 PathProgramCache]: Analyzing trace with hash -573890139, now seen corresponding path program 3 times [2024-12-05 08:18:35,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:35,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48638281] [2024-12-05 08:18:35,627 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:18:35,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:35,741 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-05 08:18:35,741 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:18:37,348 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 08:18:37,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:37,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48638281] [2024-12-05 08:18:37,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48638281] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:37,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278549979] [2024-12-05 08:18:37,348 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:18:37,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:18:37,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:18:37,351 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:18:37,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-05 08:18:37,562 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-05 08:18:37,562 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:18:37,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-05 08:18:37,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:18:37,970 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-05 08:18:37,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 30 [2024-12-05 08:18:37,998 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 08:18:37,998 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:18:38,130 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-12-05 08:18:38,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 111 treesize of output 95 [2024-12-05 08:18:38,229 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-05 08:18:38,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278549979] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:18:38,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:18:38,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15, 8] total 35 [2024-12-05 08:18:38,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128478394] [2024-12-05 08:18:38,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:18:38,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-12-05 08:18:38,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:18:38,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-12-05 08:18:38,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1067, Unknown=0, NotChecked=0, Total=1190 [2024-12-05 08:18:38,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:38,232 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:18:38,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.257142857142857) internal successors, (79), 35 states have internal predecessors, (79), 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) [2024-12-05 08:18:38,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:38,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:38,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:38,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:38,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:38,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:18:38,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-12-05 08:18:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:18:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:18:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:18:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-05 08:18:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:18:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:42,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-12-05 08:18:42,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:42,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-12-05 08:18:42,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-12-05 08:18:42,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-12-05 08:18:42,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-12-05 08:18:42,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-05 08:18:42,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-05 08:18:42,437 INFO L422 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1] [2024-12-05 08:18:42,439 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-05 08:18:42,439 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-05 08:18:42,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-12-05 08:18:42,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 08:18:42 BasicIcfg [2024-12-05 08:18:42,449 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-05 08:18:42,449 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 08:18:42,449 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 08:18:42,449 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 08:18:42,450 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:18:18" (3/4) ... [2024-12-05 08:18:42,451 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 08:18:42,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-12-05 08:18:42,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-12-05 08:18:42,457 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 106 nodes and edges [2024-12-05 08:18:42,457 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-12-05 08:18:42,458 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-05 08:18:42,458 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-05 08:18:42,524 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/witness.graphml [2024-12-05 08:18:42,524 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/witness.yml [2024-12-05 08:18:42,524 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 08:18:42,525 INFO L158 Benchmark]: Toolchain (without parser) took 25418.51ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 92.3MB in the beginning and 109.3MB in the end (delta: -17.0MB). Peak memory consumption was 141.1MB. Max. memory is 16.1GB. [2024-12-05 08:18:42,525 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 08:18:42,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.75ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 80.1MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 08:18:42,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.22ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 08:18:42,526 INFO L158 Benchmark]: Boogie Preprocessor took 26.37ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 77.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 08:18:42,526 INFO L158 Benchmark]: RCFGBuilder took 598.96ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 84.6MB in the end (delta: -7.5MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-12-05 08:18:42,526 INFO L158 Benchmark]: TraceAbstraction took 24433.96ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 84.1MB in the beginning and 116.5MB in the end (delta: -32.3MB). Peak memory consumption was 127.7MB. Max. memory is 16.1GB. [2024-12-05 08:18:42,527 INFO L158 Benchmark]: Witness Printer took 74.71ms. Allocated memory is still 276.8MB. Free memory was 116.5MB in the beginning and 109.3MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 08:18:42,529 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.75ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 80.1MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.22ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.37ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 77.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 598.96ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 84.6MB in the end (delta: -7.5MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * TraceAbstraction took 24433.96ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 84.1MB in the beginning and 116.5MB in the end (delta: -32.3MB). Peak memory consumption was 127.7MB. Max. memory is 16.1GB. * Witness Printer took 74.71ms. Allocated memory is still 276.8MB. Free memory was 116.5MB in the beginning and 109.3MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2299, independent: 1655, independent conditional: 1397, independent unconditional: 258, dependent: 644, dependent conditional: 642, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1657, independent: 1655, independent conditional: 1397, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1657, independent: 1655, independent conditional: 1397, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1657, independent: 1655, independent conditional: 1397, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1657, independent: 1655, independent conditional: 0, independent unconditional: 1655, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1657, independent: 1655, independent conditional: 0, independent unconditional: 1655, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 220, independent: 218, independent conditional: 0, independent unconditional: 218, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 220, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 124, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1657, independent: 1437, independent conditional: 0, independent unconditional: 1437, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 220, unknown conditional: 0, unknown unconditional: 220] , Statistics on independence cache: Total cache size (in pairs): 220, Positive cache size: 218, Positive conditional cache size: 0, Positive unconditional cache size: 218, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1397, Maximal queried relation: 0, Independence queries for same thread: 642, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 54, Number of trivial persistent sets: 43, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 260, independent: 258, independent conditional: 0, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2299, independent: 1655, independent conditional: 1397, independent unconditional: 258, dependent: 644, dependent conditional: 642, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1657, independent: 1655, independent conditional: 1397, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1657, independent: 1655, independent conditional: 1397, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1657, independent: 1655, independent conditional: 1397, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1657, independent: 1655, independent conditional: 0, independent unconditional: 1655, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1657, independent: 1655, independent conditional: 0, independent unconditional: 1655, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 220, independent: 218, independent conditional: 0, independent unconditional: 218, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 220, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 124, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1657, independent: 1437, independent conditional: 0, independent unconditional: 1437, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 220, unknown conditional: 0, unknown unconditional: 220] , Statistics on independence cache: Total cache size (in pairs): 220, Positive cache size: 218, Positive conditional cache size: 0, Positive unconditional cache size: 218, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1397, Maximal queried relation: 0, Independence queries for same thread: 642 - PositiveResult [Line: 93]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 35 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 24.3s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 10.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 246, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 841 NumberOfCodeBlocks, 833 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 1074 ConstructedInterpolants, 0 QuantifiedInterpolants, 5542 SizeOfPredicates, 56 NumberOfNonLiveVariables, 2613 ConjunctsInSsa, 136 ConjunctsInUnsatCore, 29 InterpolantComputations, 6 PerfectInterpolantSequences, 916/1232 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 20, ConditionCalculationTime [ms]: 0, ConditionCalculations: 27, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-05 08:18:42,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a238d8ab-6135-4b4e-b611-4ac5a8c6234d/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE