./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/triangular-longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/triangular-longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca --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 874fb84f685baf0441a9bf8db1864605baa10908128545fe3028b9b499246108 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 11:37:37,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 11:37:37,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-23 11:37:37,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 11:37:37,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 11:37:37,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 11:37:37,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 11:37:37,190 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 11:37:37,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 11:37:37,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 11:37:37,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 11:37:37,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 11:37:37,194 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 11:37:37,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 11:37:37,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 11:37:37,195 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 11:37:37,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 11:37:37,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 11:37:37,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 11:37:37,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 11:37:37,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 11:37:37,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 11:37:37,196 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 11:37:37,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 11:37:37,197 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 11:37:37,197 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 11:37:37,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 11:37:37,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 11:37:37,197 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 11:37:37,197 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 11:37:37,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:37:37,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 11:37:37,198 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 11:37:37,198 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 11:37:37,198 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-11-23 11:37:37,198 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 11:37:37,199 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 11:37:37,199 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-23 11:37:37,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 11:37:37,200 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 11:37:37,200 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-23 11:37:37,200 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-23 11:37:37,200 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-23 11:37:37,200 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_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca 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 -> 874fb84f685baf0441a9bf8db1864605baa10908128545fe3028b9b499246108 [2024-11-23 11:37:37,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 11:37:37,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 11:37:37,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 11:37:37,627 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 11:37:37,627 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 11:37:37,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/pthread/triangular-longest-2.i [2024-11-23 11:37:40,877 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/data/0e83411f2/543f2feb5fc4408c8a6eba46a38e7c20/FLAG2142f565b [2024-11-23 11:37:41,234 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 11:37:41,235 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/sv-benchmarks/c/pthread/triangular-longest-2.i [2024-11-23 11:37:41,250 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/data/0e83411f2/543f2feb5fc4408c8a6eba46a38e7c20/FLAG2142f565b [2024-11-23 11:37:41,266 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/data/0e83411f2/543f2feb5fc4408c8a6eba46a38e7c20 [2024-11-23 11:37:41,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 11:37:41,270 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 11:37:41,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 11:37:41,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 11:37:41,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 11:37:41,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:37:41" (1/1) ... [2024-11-23 11:37:41,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315debf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:41, skipping insertion in model container [2024-11-23 11:37:41,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:37:41" (1/1) ... [2024-11-23 11:37:41,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 11:37:41,804 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_2158b57c-83d8-43ac-b7fd-dc0a6836096b/sv-benchmarks/c/pthread/triangular-longest-2.i[30964,30977] [2024-11-23 11:37:41,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:37:41,824 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 11:37:41,881 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_2158b57c-83d8-43ac-b7fd-dc0a6836096b/sv-benchmarks/c/pthread/triangular-longest-2.i[30964,30977] [2024-11-23 11:37:41,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:37:41,923 INFO L204 MainTranslator]: Completed translation [2024-11-23 11:37:41,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:41 WrapperNode [2024-11-23 11:37:41,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 11:37:41,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 11:37:41,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 11:37:41,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 11:37:41,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:41" (1/1) ... [2024-11-23 11:37:41,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:41" (1/1) ... [2024-11-23 11:37:41,957 INFO L138 Inliner]: procedures = 168, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-23 11:37:41,957 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 11:37:41,957 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 11:37:41,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 11:37:41,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 11:37:41,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:41" (1/1) ... [2024-11-23 11:37:41,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:41" (1/1) ... [2024-11-23 11:37:41,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:41" (1/1) ... [2024-11-23 11:37:41,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:41" (1/1) ... [2024-11-23 11:37:41,972 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:41" (1/1) ... [2024-11-23 11:37:41,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:41" (1/1) ... [2024-11-23 11:37:41,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:41" (1/1) ... [2024-11-23 11:37:41,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:41" (1/1) ... [2024-11-23 11:37:41,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:41" (1/1) ... [2024-11-23 11:37:41,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 11:37:41,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 11:37:41,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 11:37:41,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 11:37:41,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:41" (1/1) ... [2024-11-23 11:37:41,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:37:42,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:37:42,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-23 11:37:42,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-23 11:37:42,065 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-23 11:37:42,066 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-23 11:37:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-23 11:37:42,066 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-23 11:37:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 11:37:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 11:37:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 11:37:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 11:37:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 11:37:42,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 11:37:42,068 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 11:37:42,236 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 11:37:42,238 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 11:37:42,410 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 11:37:42,411 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 11:37:42,508 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 11:37:42,508 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 11:37:42,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:37:42 BoogieIcfgContainer [2024-11-23 11:37:42,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 11:37:42,512 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 11:37:42,512 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 11:37:42,518 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 11:37:42,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:37:41" (1/3) ... [2024-11-23 11:37:42,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdb5193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:37:42, skipping insertion in model container [2024-11-23 11:37:42,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:41" (2/3) ... [2024-11-23 11:37:42,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdb5193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:37:42, skipping insertion in model container [2024-11-23 11:37:42,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:37:42" (3/3) ... [2024-11-23 11:37:42,521 INFO L128 eAbstractionObserver]: Analyzing ICFG triangular-longest-2.i [2024-11-23 11:37:42,542 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 11:37:42,544 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG triangular-longest-2.i that has 3 procedures, 22 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-23 11:37:42,544 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 11:37:42,608 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-23 11:37:42,682 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:37:42,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-23 11:37:42,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:37:42,687 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-23 11:37:42,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-23 11:37:42,800 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:37:42,825 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:37:42,839 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;@ab3793a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:37:42,839 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-23 11:37:43,234 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 11:37:43,235 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:37:43,235 INFO L139 ounterexampleChecker]: Examining path program with hash 524643287, occurence #1 [2024-11-23 11:37:43,235 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:37:43,235 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:37:43,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:37:43,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1143520791, now seen corresponding path program 1 times [2024-11-23 11:37:43,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:37:43,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972621469] [2024-11-23 11:37:43,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:37:43,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:37:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:37:43,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:37:43,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:37:43,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972621469] [2024-11-23 11:37:43,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972621469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:37:43,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:37:43,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 11:37:43,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437566401] [2024-11-23 11:37:43,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:37:43,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 11:37:43,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:37:43,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 11:37:43,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 11:37:43,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:37:43,867 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:37:43,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-23 11:37:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:37:44,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:37:44,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 11:37:44,131 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 11:37:44,131 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:37:44,132 INFO L139 ounterexampleChecker]: Examining path program with hash -1365251301, occurence #1 [2024-11-23 11:37:44,132 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:37:44,132 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:37:44,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:37:44,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1935112260, now seen corresponding path program 1 times [2024-11-23 11:37:44,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:37:44,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708853089] [2024-11-23 11:37:44,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:37:44,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:37:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:37:44,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:37:44,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:37:44,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708853089] [2024-11-23 11:37:44,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708853089] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:37:44,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462915811] [2024-11-23 11:37:44,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:37:44,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:37:44,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:37:44,506 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:37:44,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 11:37:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:37:44,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 11:37:44,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:37:44,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:37:44,743 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:37:44,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:37:44,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462915811] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:37:44,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:37:44,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-23 11:37:44,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622105738] [2024-11-23 11:37:44,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:37:44,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 11:37:44,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:37:44,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 11:37:44,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-23 11:37:44,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:37:44,968 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:37:44,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 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) [2024-11-23 11:37:44,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:37:44,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:37:45,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:37:45,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:37:45,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 11:37:45,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:37:45,553 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 11:37:45,553 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:37:45,553 INFO L139 ounterexampleChecker]: Examining path program with hash 1838458625, occurence #1 [2024-11-23 11:37:45,553 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:37:45,553 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:37:45,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:37:45,554 INFO L85 PathProgramCache]: Analyzing trace with hash -861879238, now seen corresponding path program 2 times [2024-11-23 11:37:45,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:37:45,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459054523] [2024-11-23 11:37:45,554 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:37:45,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:37:45,574 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:37:45,574 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:37:45,887 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:37:45,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:37:45,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459054523] [2024-11-23 11:37:45,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459054523] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:37:45,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685325252] [2024-11-23 11:37:45,888 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:37:45,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:37:45,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:37:45,890 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:37:45,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 11:37:45,983 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:37:45,983 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:37:45,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-23 11:37:45,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:37:46,183 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:37:46,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:37:46,627 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:37:46,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685325252] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:37:46,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:37:46,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2024-11-23 11:37:46,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409690837] [2024-11-23 11:37:46,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:37:46,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-23 11:37:46,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:37:46,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-23 11:37:46,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2024-11-23 11:37:46,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:37:46,633 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:37:46,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.2) internal successors, (64), 19 states have internal predecessors, (64), 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) [2024-11-23 11:37:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:37:46,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:37:46,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:37:47,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:37:47,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:37:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:37:47,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 11:37:47,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:37:47,566 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 11:37:47,566 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:37:47,566 INFO L139 ounterexampleChecker]: Examining path program with hash 1838458625, occurence #2 [2024-11-23 11:37:47,566 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:37:47,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-23 11:37:47,583 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:37:47,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-23 11:37:47,583 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:37:47,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-23 11:37:47,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:37:47,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-23 11:37:47,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:37:47,583 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:37:47,584 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:37:47,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:37:47,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1870915290, now seen corresponding path program 3 times [2024-11-23 11:37:47,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:37:47,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426267504] [2024-11-23 11:37:47,585 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:37:47,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:37:47,614 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-23 11:37:47,614 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:37:48,318 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:37:48,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:37:48,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426267504] [2024-11-23 11:37:48,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426267504] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:37:48,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638306324] [2024-11-23 11:37:48,319 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:37:48,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:37:48,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:37:48,321 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:37:48,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 11:37:48,403 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-23 11:37:48,403 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:37:48,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-23 11:37:48,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:37:48,695 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:37:48,696 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:37:49,469 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:37:49,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638306324] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:37:49,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:37:49,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 35 [2024-11-23 11:37:49,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444423089] [2024-11-23 11:37:49,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:37:49,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-23 11:37:49,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:37:49,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-23 11:37:49,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=977, Unknown=0, NotChecked=0, Total=1260 [2024-11-23 11:37:49,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:37:49,474 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:37:49,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.111111111111111) internal successors, (112), 35 states have internal predecessors, (112), 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) [2024-11-23 11:37:49,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:37:49,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:37:49,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:37:49,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:37:50,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:37:50,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:37:50,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:37:50,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-23 11:37:50,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 11:37:51,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:37:51,136 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 11:37:51,136 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:37:51,136 INFO L139 ounterexampleChecker]: Examining path program with hash 1838458625, occurence #3 [2024-11-23 11:37:51,136 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:37:51,136 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-23 11:37:51,137 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:37:51,137 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-23 11:37:51,137 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:37:51,137 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-23 11:37:51,137 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:37:51,137 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-11-23 11:37:51,137 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:37:51,137 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:37:51,138 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:37:51,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:37:51,138 INFO L85 PathProgramCache]: Analyzing trace with hash 610252542, now seen corresponding path program 4 times [2024-11-23 11:37:51,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:37:51,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202642455] [2024-11-23 11:37:51,138 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:37:51,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:37:51,186 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:37:51,186 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:37:52,727 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 603 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:37:52,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:37:52,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202642455] [2024-11-23 11:37:52,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202642455] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:37:52,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758544461] [2024-11-23 11:37:52,728 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:37:52,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:37:52,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:37:52,730 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:37:52,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 11:37:52,830 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:37:52,830 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:37:52,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-23 11:37:52,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:37:53,267 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 603 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:37:53,267 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:37:54,910 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 603 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:37:54,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758544461] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:37:54,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:37:54,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 66 [2024-11-23 11:37:54,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011969730] [2024-11-23 11:37:54,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:37:54,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-11-23 11:37:54,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:37:54,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-11-23 11:37:54,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1063, Invalid=3359, Unknown=0, NotChecked=0, Total=4422 [2024-11-23 11:37:54,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:37:54,921 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:37:54,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 2.985074626865672) internal successors, (200), 66 states have internal predecessors, (200), 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) [2024-11-23 11:37:54,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:37:54,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:37:54,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:37:54,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-23 11:37:54,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:37:57,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:37:57,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:37:57,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:37:57,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-23 11:37:57,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-23 11:37:57,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 11:37:57,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:37:57,298 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 11:37:57,299 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:37:57,299 INFO L139 ounterexampleChecker]: Examining path program with hash 1838458625, occurence #4 [2024-11-23 11:37:57,299 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:37:57,299 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-23 11:37:57,299 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:37:57,299 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-23 11:37:57,299 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:37:57,299 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-23 11:37:57,299 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:37:57,299 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2024-11-23 11:37:57,300 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:37:57,300 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:37:57,300 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:37:57,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:37:57,300 INFO L85 PathProgramCache]: Analyzing trace with hash -94375547, now seen corresponding path program 5 times [2024-11-23 11:37:57,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:37:57,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055182569] [2024-11-23 11:37:57,300 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:37:57,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:37:57,374 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-11-23 11:37:57,374 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 11:37:57,374 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:37:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:37:57,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:37:57,493 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:37:57,495 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-23 11:37:57,497 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-23 11:37:57,498 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-23 11:37:57,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 11:37:57,505 INFO L422 BasicCegarLoop]: Path program histogram: [5, 1] [2024-11-23 11:37:57,669 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 11:37:57,669 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 11:37:57,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-23 11:37:57,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:37:57 BasicIcfg [2024-11-23 11:37:57,695 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 11:37:57,696 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 11:37:57,696 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 11:37:57,696 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 11:37:57,697 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:37:42" (3/4) ... [2024-11-23 11:37:57,698 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-23 11:37:57,837 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 42. [2024-11-23 11:37:57,930 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/witness.graphml [2024-11-23 11:37:57,930 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/witness.yml [2024-11-23 11:37:57,930 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 11:37:57,931 INFO L158 Benchmark]: Toolchain (without parser) took 16661.12ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.0MB in the beginning and 207.4MB in the end (delta: -114.4MB). Peak memory consumption was 119.6MB. Max. memory is 16.1GB. [2024-11-23 11:37:57,936 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:37:57,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 652.29ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 73.0MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 11:37:57,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.34ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 71.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:37:57,936 INFO L158 Benchmark]: Boogie Preprocessor took 23.51ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 70.6MB in the end (delta: 978.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 11:37:57,937 INFO L158 Benchmark]: RCFGBuilder took 526.92ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 53.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 11:37:57,937 INFO L158 Benchmark]: TraceAbstraction took 15183.33ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 53.2MB in the beginning and 235.7MB in the end (delta: -182.5MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2024-11-23 11:37:57,937 INFO L158 Benchmark]: Witness Printer took 234.21ms. Allocated memory is still 352.3MB. Free memory was 235.7MB in the beginning and 207.4MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 11:37:57,939 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 652.29ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 73.0MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.34ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 71.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.51ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 70.6MB in the end (delta: 978.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 526.92ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 53.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 15183.33ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 53.2MB in the beginning and 235.7MB in the end (delta: -182.5MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * Witness Printer took 234.21ms. Allocated memory is still 352.3MB. Free memory was 235.7MB in the beginning and 207.4MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. 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: 2688, independent: 2215, independent conditional: 2005, independent unconditional: 210, dependent: 473, dependent conditional: 467, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2226, independent: 2215, independent conditional: 2005, independent unconditional: 210, dependent: 11, dependent conditional: 5, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2226, independent: 2215, independent conditional: 2005, independent unconditional: 210, dependent: 11, dependent conditional: 5, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2272, independent: 2215, independent conditional: 2005, independent unconditional: 210, dependent: 57, dependent conditional: 51, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2272, independent: 2215, independent conditional: 41, independent unconditional: 2174, dependent: 57, dependent conditional: 5, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2272, independent: 2215, independent conditional: 41, independent unconditional: 2174, dependent: 57, dependent conditional: 5, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 253, independent: 242, independent conditional: 41, independent unconditional: 201, dependent: 11, dependent conditional: 5, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 253, independent: 199, independent conditional: 0, independent unconditional: 199, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 54, independent: 43, independent conditional: 41, independent unconditional: 2, dependent: 11, dependent conditional: 5, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, independent: 43, independent conditional: 41, independent unconditional: 2, dependent: 11, dependent conditional: 5, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1183, independent: 833, independent conditional: 678, independent unconditional: 155, dependent: 349, dependent conditional: 111, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2272, independent: 1973, independent conditional: 0, independent unconditional: 1973, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 253, unknown conditional: 46, unknown unconditional: 207] , Statistics on independence cache: Total cache size (in pairs): 253, Positive cache size: 242, Positive conditional cache size: 41, Positive unconditional cache size: 201, Negative cache size: 11, Negative conditional cache size: 5, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2010, Maximal queried relation: 1, Independence queries for same thread: 462, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 16, Number of trivial persistent sets: 7, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 216, independent: 210, independent conditional: 0, independent unconditional: 210, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2688, independent: 2215, independent conditional: 2005, independent unconditional: 210, dependent: 473, dependent conditional: 467, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2226, independent: 2215, independent conditional: 2005, independent unconditional: 210, dependent: 11, dependent conditional: 5, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2226, independent: 2215, independent conditional: 2005, independent unconditional: 210, dependent: 11, dependent conditional: 5, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2272, independent: 2215, independent conditional: 2005, independent unconditional: 210, dependent: 57, dependent conditional: 51, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2272, independent: 2215, independent conditional: 41, independent unconditional: 2174, dependent: 57, dependent conditional: 5, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2272, independent: 2215, independent conditional: 41, independent unconditional: 2174, dependent: 57, dependent conditional: 5, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 253, independent: 242, independent conditional: 41, independent unconditional: 201, dependent: 11, dependent conditional: 5, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 253, independent: 199, independent conditional: 0, independent unconditional: 199, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 54, independent: 43, independent conditional: 41, independent unconditional: 2, dependent: 11, dependent conditional: 5, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, independent: 43, independent conditional: 41, independent unconditional: 2, dependent: 11, dependent conditional: 5, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1183, independent: 833, independent conditional: 678, independent unconditional: 155, dependent: 349, dependent conditional: 111, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2272, independent: 1973, independent conditional: 0, independent unconditional: 1973, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 253, unknown conditional: 46, unknown unconditional: 207] , Statistics on independence cache: Total cache size (in pairs): 253, Positive cache size: 242, Positive conditional cache size: 41, Positive unconditional cache size: 201, Negative cache size: 11, Negative conditional cache size: 5, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2010, Maximal queried relation: 1, Independence queries for same thread: 462 - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L694] 0 int i = 3, j = 6; [L712] 0 pthread_t id1, id2; [L713] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [\old(arg)={0:0}, \old(argc)=51, \old(argv)={49:50}, argc=51, i=3, id1=-2, j=6] [L696] 1 int k = 0; VAL [\old(arg)={0:0}, arg={0:0}, i=3, j=6, k=0] [L714] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(argc)=51, \old(argv)={49:50}, arg={0:0}, argc=51, i=3, id1=-2, id2=-1, j=6, k=0] [L704] 2 int k = 0; VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0, k=0] [L716] 0 int condI = i >= (2*20 +6); VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(argc)=51, \old(argv)={49:50}, arg={0:0}, arg={0:0}, argc=51, condI=0, i=3, id1=-2, id2=-1, j=6, k=0, k=0] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0, k=0] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0, k=0] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0, k=1] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0, k=1] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=0, k=1] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=1] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=1] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=1] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=2] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=2] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=1, k=2] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=2] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=2] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=2] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=3] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=3] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=2, k=3] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=3] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=3] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=3] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=4] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=4] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=3, k=4] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=4] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=4] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=4] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=5] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=5] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=4, k=5] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=5] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=5] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=17, j=16, k=5, k=5] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=17, j=16, k=5, k=6] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=17, j=16, k=5, k=6] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=17, j=18, k=5, k=6] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=17, j=18, k=6, k=6] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=17, j=18, k=6, k=6] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=19, j=18, k=6, k=6] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=19, j=18, k=6, k=7] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=19, j=18, k=6, k=7] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=19, j=20, k=6, k=7] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=19, j=20, k=7, k=7] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=19, j=20, k=7, k=7] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=21, j=20, k=7, k=7] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=21, j=20, k=7, k=8] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=21, j=20, k=7, k=8] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=21, j=22, k=7, k=8] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=21, j=22, k=8, k=8] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=21, j=22, k=8, k=8] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=23, j=22, k=8, k=8] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=23, j=22, k=8, k=9] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=23, j=22, k=8, k=9] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=23, j=24, k=8, k=9] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=23, j=24, k=9, k=9] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=23, j=24, k=9, k=9] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=25, j=24, k=9, k=9] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=25, j=24, k=10, k=9] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=25, j=24, k=10, k=9] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=10, k=9] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=10, k=10] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=10, k=10] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=27, j=26, k=10, k=10] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=27, j=26, k=10, k=11] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=27, j=26, k=10, k=11] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=27, j=28, k=10, k=11] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=27, j=28, k=11, k=11] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=27, j=28, k=11, k=11] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=29, j=28, k=11, k=11] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=29, j=28, k=11, k=12] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=29, j=28, k=11, k=12] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=29, j=30, k=11, k=12] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=29, j=30, k=12, k=12] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=29, j=30, k=12, k=12] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=31, j=30, k=12, k=12] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=31, j=30, k=12, k=13] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=31, j=30, k=12, k=13] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=31, j=32, k=12, k=13] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=31, j=32, k=13, k=13] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=31, j=32, k=13, k=13] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=33, j=32, k=13, k=13] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=33, j=32, k=13, k=14] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=33, j=32, k=13, k=14] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=33, j=34, k=13, k=14] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=33, j=34, k=14, k=14] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=33, j=34, k=14, k=14] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=35, j=34, k=14, k=14] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=35, j=34, k=14, k=15] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=35, j=34, k=14, k=15] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=35, j=36, k=14, k=15] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=35, j=36, k=15, k=15] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=35, j=36, k=15, k=15] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=37, j=36, k=15, k=15] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=37, j=36, k=15, k=16] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=37, j=36, k=15, k=16] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=37, j=38, k=15, k=16] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=37, j=38, k=16, k=16] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=37, j=38, k=16, k=16] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=39, j=38, k=16, k=16] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=39, j=38, k=16, k=17] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=39, j=38, k=16, k=17] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=39, j=40, k=16, k=17] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=39, j=40, k=17, k=17] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=39, j=40, k=17, k=17] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=41, j=40, k=17, k=17] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=41, j=40, k=17, k=18] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=41, j=40, k=17, k=18] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=41, j=42, k=17, k=18] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=41, j=42, k=18, k=18] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=41, j=42, k=18, k=18] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=43, j=42, k=18, k=18] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=43, j=42, k=18, k=19] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=43, j=42, k=18, k=19] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=43, j=44, k=18, k=19] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=43, j=44, k=19, k=19] [L696] COND TRUE 1 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=43, j=44, k=19, k=19] [L698] 1 i = j + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=45, j=44, k=19, k=19] [L696] 1 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=45, j=44, k=19, k=20] [L704] COND TRUE 2 k < 20 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=45, j=44, k=19, k=20] [L706] 2 j = i + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=45, j=46, k=19, k=20] [L704] 2 k++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, i=45, j=46, k=20, k=20] [L719] 0 int condJ = j >= (2*20 +6); VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(argc)=51, \old(argv)={49:50}, arg={0:0}, arg={0:0}, argc=51, condI=0, condJ=1, i=45, id1=-2, id2=-1, j=46, k=20, k=20] [L721] COND TRUE 0 condI || condJ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(argc)=51, \old(argv)={49:50}, arg={0:0}, arg={0:0}, argc=51, condI=0, condJ=1, i=45, id1=-2, id2=-1, j=46, k=20, k=20] [L722] 0 reach_error() VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(argc)=51, \old(argv)={49:50}, arg={0:0}, arg={0:0}, argc=51, condI=0, condJ=1, i=45, id1=-2, id2=-1, j=46, k=20, k=20] - UnprovableResult [Line: 713]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 34 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 14.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 5.4s, 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: 111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 542 NumberOfCodeBlocks, 542 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 598 ConstructedInterpolants, 0 QuantifiedInterpolants, 4108 SizeOfPredicates, 60 NumberOfNonLiveVariables, 572 ConjunctsInSsa, 80 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2202 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]: 16, ConditionCalculationTime [ms]: 0, ConditionCalculations: 6, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 RESULT: Ultimate proved your program to be incorrect! [2024-11-23 11:37:57,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158b57c-83d8-43ac-b7fd-dc0a6836096b/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE