./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c --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_b437241c-41ad-45a3-8933-6451b4b10db0/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/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_b437241c-41ad-45a3-8933-6451b4b10db0/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/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_b437241c-41ad-45a3-8933-6451b4b10db0/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 a107795e01eed1ee79fba30cb5022ee32b5d5a3711e8a094ab0bb165fd3efa7a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 11:17:53,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 11:17:53,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-23 11:17:53,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 11:17:53,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 11:17:53,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 11:17:53,172 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 11:17:53,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 11:17:53,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 11:17:53,175 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 11:17:53,176 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 11:17:53,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 11:17:53,176 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 11:17:53,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 11:17:53,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 11:17:53,177 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 11:17:53,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 11:17:53,178 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 11:17:53,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 11:17:53,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 11:17:53,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 11:17:53,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 11:17:53,178 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 11:17:53,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 11:17:53,179 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 11:17:53,179 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 11:17:53,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 11:17:53,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 11:17:53,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 11:17:53,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 11:17:53,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:17:53,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 11:17:53,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 11:17:53,180 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 11:17:53,180 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-11-23 11:17:53,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 11:17:53,181 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 11:17:53,181 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-23 11:17:53,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 11:17:53,181 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 11:17:53,181 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-23 11:17:53,181 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-23 11:17:53,181 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-23 11:17:53,182 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_b437241c-41ad-45a3-8933-6451b4b10db0/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 -> a107795e01eed1ee79fba30cb5022ee32b5d5a3711e8a094ab0bb165fd3efa7a [2024-11-23 11:17:53,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 11:17:53,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 11:17:53,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 11:17:53,519 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 11:17:53,519 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 11:17:53,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c [2024-11-23 11:17:56,397 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/bin/ugemcutter-verify-Z6otQMs9Ca/data/99a4b9442/cf45ad4254d8471592453356f23e1c7d/FLAG4d0696c26 [2024-11-23 11:17:56,703 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 11:17:56,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c [2024-11-23 11:17:56,735 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/bin/ugemcutter-verify-Z6otQMs9Ca/data/99a4b9442/cf45ad4254d8471592453356f23e1c7d/FLAG4d0696c26 [2024-11-23 11:17:56,759 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/bin/ugemcutter-verify-Z6otQMs9Ca/data/99a4b9442/cf45ad4254d8471592453356f23e1c7d [2024-11-23 11:17:56,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 11:17:56,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 11:17:56,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 11:17:56,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 11:17:56,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 11:17:56,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:17:56" (1/1) ... [2024-11-23 11:17:56,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79127f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:17:56, skipping insertion in model container [2024-11-23 11:17:56,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:17:56" (1/1) ... [2024-11-23 11:17:56,798 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 11:17:57,027 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_b437241c-41ad-45a3-8933-6451b4b10db0/sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c[3922,3935] [2024-11-23 11:17:57,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:17:57,050 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 11:17:57,096 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_b437241c-41ad-45a3-8933-6451b4b10db0/sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c[3922,3935] [2024-11-23 11:17:57,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:17:57,119 INFO L204 MainTranslator]: Completed translation [2024-11-23 11:17:57,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:17:57 WrapperNode [2024-11-23 11:17:57,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 11:17:57,121 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 11:17:57,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 11:17:57,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 11:17:57,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:17:57" (1/1) ... [2024-11-23 11:17:57,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:17:57" (1/1) ... [2024-11-23 11:17:57,183 INFO L138 Inliner]: procedures = 22, calls = 22, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 223 [2024-11-23 11:17:57,183 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 11:17:57,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 11:17:57,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 11:17:57,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 11:17:57,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:17:57" (1/1) ... [2024-11-23 11:17:57,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:17:57" (1/1) ... [2024-11-23 11:17:57,201 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:17:57" (1/1) ... [2024-11-23 11:17:57,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:17:57" (1/1) ... [2024-11-23 11:17:57,207 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:17:57" (1/1) ... [2024-11-23 11:17:57,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:17:57" (1/1) ... [2024-11-23 11:17:57,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:17:57" (1/1) ... [2024-11-23 11:17:57,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:17:57" (1/1) ... [2024-11-23 11:17:57,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:17:57" (1/1) ... [2024-11-23 11:17:57,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 11:17:57,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 11:17:57,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 11:17:57,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 11:17:57,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:17:57" (1/1) ... [2024-11-23 11:17:57,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:17:57,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:17:57,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-23 11:17:57,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-23 11:17:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 11:17:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-23 11:17:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-23 11:17:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-23 11:17:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-23 11:17:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-23 11:17:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-23 11:17:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-23 11:17:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-23 11:17:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 11:17:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-23 11:17:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-23 11:17:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-11-23 11:17:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-11-23 11:17:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 11:17:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 11:17:57,307 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 11:17:57,433 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 11:17:57,434 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 11:17:57,846 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 11:17:57,847 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 11:17:58,114 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 11:17:58,115 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 11:17:58,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:17:58 BoogieIcfgContainer [2024-11-23 11:17:58,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 11:17:58,118 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 11:17:58,119 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 11:17:58,123 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 11:17:58,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:17:56" (1/3) ... [2024-11-23 11:17:58,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681c44dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:17:58, skipping insertion in model container [2024-11-23 11:17:58,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:17:57" (2/3) ... [2024-11-23 11:17:58,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681c44dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:17:58, skipping insertion in model container [2024-11-23 11:17:58,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:17:58" (3/3) ... [2024-11-23 11:17:58,126 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-barrier-loop.wvr.c [2024-11-23 11:17:58,140 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 11:17:58,141 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-barrier-loop.wvr.c that has 7 procedures, 95 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-23 11:17:58,142 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 11:17:58,256 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-11-23 11:17:58,323 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:17:58,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-23 11:17:58,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:17:58,330 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-23 11:17:58,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-23 11:17:58,430 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:17:58,450 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork3 ======== [2024-11-23 11:17:58,459 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;@12544b6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:17:58,459 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 11:18:00,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-11-23 11:18:00,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-11-23 11:18:00,536 INFO L422 BasicCegarLoop]: Path program histogram: [] [2024-11-23 11:18:00,539 INFO L319 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork3 was SAFE,SAFE (1/3) [2024-11-23 11:18:00,544 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:18:00,546 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:18:00,546 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork1 ======== [2024-11-23 11:18:00,547 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;@12544b6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:18:00,547 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 11:18:00,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-11-23 11:18:00,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-11-23 11:18:00,697 INFO L422 BasicCegarLoop]: Path program histogram: [] [2024-11-23 11:18:00,700 INFO L319 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork1 was SAFE,SAFE (2/3) [2024-11-23 11:18:00,707 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:18:00,708 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:18:00,709 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:18:00,709 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;@12544b6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:18:00,710 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-23 11:18:00,760 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 11:18:00,760 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:18:00,761 INFO L139 ounterexampleChecker]: Examining path program with hash -151136058, occurence #1 [2024-11-23 11:18:00,761 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:18:00,761 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:18:00,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:18:00,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1174979261, now seen corresponding path program 1 times [2024-11-23 11:18:00,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:18:00,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301015767] [2024-11-23 11:18:00,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:18:00,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:18:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:18:01,049 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 11:18:01,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:18:01,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301015767] [2024-11-23 11:18:01,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301015767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:18:01,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:18:01,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 11:18:01,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228133569] [2024-11-23 11:18:01,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:18:01,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 11:18:01,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:18:01,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 11:18:01,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 11:18:01,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:01,084 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:18:01,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:18:01,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:06,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:06,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 11:18:06,328 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 11:18:06,328 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:18:06,328 INFO L139 ounterexampleChecker]: Examining path program with hash -2045880871, occurence #1 [2024-11-23 11:18:06,329 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:18:06,330 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:18:06,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:18:06,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1346487597, now seen corresponding path program 1 times [2024-11-23 11:18:06,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:18:06,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598288595] [2024-11-23 11:18:06,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:18:06,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:18:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:18:07,267 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 11:18:07,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:18:07,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598288595] [2024-11-23 11:18:07,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598288595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:18:07,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:18:07,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:18:07,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469892479] [2024-11-23 11:18:07,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:18:07,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:18:07,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:18:07,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:18:07,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:18:07,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:07,276 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:18:07,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 11:18:07,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:07,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:08,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:08,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:08,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 11:18:08,015 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 11:18:08,015 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:18:08,016 INFO L139 ounterexampleChecker]: Examining path program with hash 689128300, occurence #1 [2024-11-23 11:18:08,016 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:18:08,016 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:18:08,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:18:08,017 INFO L85 PathProgramCache]: Analyzing trace with hash -422575649, now seen corresponding path program 2 times [2024-11-23 11:18:08,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:18:08,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330108799] [2024-11-23 11:18:08,018 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:18:08,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:18:08,106 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 11:18:08,107 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:18:08,323 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 11:18:08,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:18:08,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330108799] [2024-11-23 11:18:08,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330108799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:18:08,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:18:08,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:18:08,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884553300] [2024-11-23 11:18:08,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:18:08,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:18:08,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:18:08,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:18:08,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:18:08,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:08,328 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:18:08,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 11:18:08,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:08,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:08,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:13,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:13,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:13,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:13,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 11:18:13,139 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 11:18:13,139 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:18:13,139 INFO L139 ounterexampleChecker]: Examining path program with hash -1694408183, occurence #1 [2024-11-23 11:18:13,140 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:18:13,140 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:18:13,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:18:13,141 INFO L85 PathProgramCache]: Analyzing trace with hash -2041688963, now seen corresponding path program 3 times [2024-11-23 11:18:13,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:18:13,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960044157] [2024-11-23 11:18:13,141 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:18:13,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:18:13,220 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 11:18:13,222 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:18:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-23 11:18:13,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:18:13,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960044157] [2024-11-23 11:18:13,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960044157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:18:13,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:18:13,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:18:13,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191931345] [2024-11-23 11:18:13,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:18:13,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:18:13,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:18:13,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:18:13,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:18:13,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:13,524 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:18:13,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 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 11:18:13,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:13,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:13,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:13,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:14,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:14,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:14,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:14,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 11:18:14,611 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 11:18:14,611 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:18:14,611 INFO L139 ounterexampleChecker]: Examining path program with hash 1020153495, occurence #1 [2024-11-23 11:18:14,611 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:18:14,611 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:18:14,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:18:14,612 INFO L85 PathProgramCache]: Analyzing trace with hash -658444335, now seen corresponding path program 4 times [2024-11-23 11:18:14,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:18:14,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887643714] [2024-11-23 11:18:14,612 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:18:14,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:18:14,674 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:18:14,674 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:18:14,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 11:18:14,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:18:14,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887643714] [2024-11-23 11:18:14,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887643714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:18:14,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:18:14,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:18:14,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755120727] [2024-11-23 11:18:14,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:18:14,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:18:14,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:18:14,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:18:14,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:18:14,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:14,844 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:18:14,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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 11:18:14,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:14,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:14,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:14,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:14,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:15,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:15,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:15,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:15,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:15,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:15,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 11:18:15,810 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 11:18:15,810 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:18:15,810 INFO L139 ounterexampleChecker]: Examining path program with hash -1379457626, occurence #1 [2024-11-23 11:18:15,811 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:18:15,811 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:18:15,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:18:15,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1683253364, now seen corresponding path program 5 times [2024-11-23 11:18:15,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:18:15,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392572799] [2024-11-23 11:18:15,812 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:18:15,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:18:15,850 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 11:18:15,852 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:18:15,937 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 11:18:15,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:18:15,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392572799] [2024-11-23 11:18:15,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392572799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:18:15,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:18:15,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:18:15,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968496518] [2024-11-23 11:18:15,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:18:15,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:18:15,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:18:15,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:18:15,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:18:15,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:15,940 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:18:15,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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 11:18:15,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:15,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:15,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:15,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:15,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:15,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:16,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:16,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:16,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:16,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:16,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:16,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:16,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 11:18:16,506 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 11:18:16,506 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:18:16,507 INFO L139 ounterexampleChecker]: Examining path program with hash 732921475, occurence #1 [2024-11-23 11:18:16,507 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:18:16,507 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:18:16,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:18:16,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1465280675, now seen corresponding path program 1 times [2024-11-23 11:18:16,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:18:16,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147354433] [2024-11-23 11:18:16,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:18:16,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:18:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:18:16,658 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 11:18:16,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:18:16,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147354433] [2024-11-23 11:18:16,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147354433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:18:16,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:18:16,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:18:16,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523161530] [2024-11-23 11:18:16,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:18:16,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:18:16,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:18:16,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:18:16,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:18:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:16,661 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:18:16,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 11:18:16,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:16,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:16,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:16,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:16,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:16,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:16,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:17,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:18:17,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:17,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:17,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:17,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:17,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:17,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:18:17,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 11:18:17,294 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 11:18:17,294 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:18:17,295 INFO L139 ounterexampleChecker]: Examining path program with hash -2115009081, occurence #1 [2024-11-23 11:18:17,295 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:18:17,295 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:18:17,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:18:17,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1139542813, now seen corresponding path program 2 times [2024-11-23 11:18:17,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:18:17,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939112567] [2024-11-23 11:18:17,295 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:18:17,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:18:17,355 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 11:18:17,355 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 11:18:17,355 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:18:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:18:17,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:18:17,500 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:18:17,500 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-23 11:18:17,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-23 11:18:17,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-23 11:18:17,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 11:18:17,502 INFO L422 BasicCegarLoop]: Path program histogram: [5, 2, 1] [2024-11-23 11:18:17,503 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (3/3) [2024-11-23 11:18:17,621 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 11:18:17,624 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 11:18:17,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-23 11:18:17,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:18:17 BasicIcfg [2024-11-23 11:18:17,639 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 11:18:17,640 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 11:18:17,640 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 11:18:17,640 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 11:18:17,641 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:17:58" (3/4) ... [2024-11-23 11:18:17,642 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-23 11:18:17,814 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 25. [2024-11-23 11:18:17,894 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/bin/ugemcutter-verify-Z6otQMs9Ca/witness.graphml [2024-11-23 11:18:17,896 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/bin/ugemcutter-verify-Z6otQMs9Ca/witness.yml [2024-11-23 11:18:17,897 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 11:18:17,898 INFO L158 Benchmark]: Toolchain (without parser) took 21133.37ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 93.6MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 160.9MB. Max. memory is 16.1GB. [2024-11-23 11:18:17,898 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:18:17,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.71ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 81.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 11:18:17,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.21ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.0MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 11:18:17,901 INFO L158 Benchmark]: Boogie Preprocessor took 50.39ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:18:17,901 INFO L158 Benchmark]: RCFGBuilder took 880.22ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 87.5MB in the end (delta: -10.0MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-11-23 11:18:17,901 INFO L158 Benchmark]: TraceAbstraction took 19520.67ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 87.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 122.2MB. Max. memory is 16.1GB. [2024-11-23 11:18:17,902 INFO L158 Benchmark]: Witness Printer took 257.12ms. Allocated memory is still 1.3GB. Free memory was 1.2GB in the beginning and 1.1GB in the end (delta: 35.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-23 11:18:17,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.71ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 81.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.21ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.0MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.39ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 880.22ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 87.5MB in the end (delta: -10.0MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. * TraceAbstraction took 19520.67ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 87.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 122.2MB. Max. memory is 16.1GB. * Witness Printer took 257.12ms. Allocated memory is still 1.3GB. Free memory was 1.2GB in the beginning and 1.1GB in the end (delta: 35.7MB). Peak memory consumption was 33.6MB. 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: 10810, independent: 10213, independent conditional: 5240, independent unconditional: 4973, dependent: 597, dependent conditional: 543, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10282, independent: 10213, independent conditional: 5240, independent unconditional: 4973, dependent: 69, dependent conditional: 15, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10282, independent: 10213, independent conditional: 5240, independent unconditional: 4973, dependent: 69, dependent conditional: 15, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10282, independent: 10213, independent conditional: 5240, independent unconditional: 4973, dependent: 69, dependent conditional: 15, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10282, independent: 10213, independent conditional: 0, independent unconditional: 10213, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10282, independent: 10213, independent conditional: 0, independent unconditional: 10213, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4819, independent: 4765, independent conditional: 0, independent unconditional: 4765, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4819, independent: 4756, independent conditional: 0, independent unconditional: 4756, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 63, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1333, independent: 217, independent conditional: 0, independent unconditional: 217, dependent: 1116, dependent conditional: 0, dependent unconditional: 1116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 10282, independent: 5448, independent conditional: 0, independent unconditional: 5448, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 4819, unknown conditional: 0, unknown unconditional: 4819] , Statistics on independence cache: Total cache size (in pairs): 4819, Positive cache size: 4765, Positive conditional cache size: 0, Positive unconditional cache size: 4765, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5255, Maximal queried relation: 0, Independence queries for same thread: 528, Persistent sets #1 benchmarks: Persistent set computation time: 1.7s, Number of persistent set computation: 437, Number of trivial persistent sets: 36, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5027, independent: 4973, independent conditional: 0, independent unconditional: 4973, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10810, independent: 10213, independent conditional: 5240, independent unconditional: 4973, dependent: 597, dependent conditional: 543, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10282, independent: 10213, independent conditional: 5240, independent unconditional: 4973, dependent: 69, dependent conditional: 15, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10282, independent: 10213, independent conditional: 5240, independent unconditional: 4973, dependent: 69, dependent conditional: 15, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10282, independent: 10213, independent conditional: 5240, independent unconditional: 4973, dependent: 69, dependent conditional: 15, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10282, independent: 10213, independent conditional: 0, independent unconditional: 10213, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10282, independent: 10213, independent conditional: 0, independent unconditional: 10213, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4819, independent: 4765, independent conditional: 0, independent unconditional: 4765, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4819, independent: 4756, independent conditional: 0, independent unconditional: 4756, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 63, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1333, independent: 217, independent conditional: 0, independent unconditional: 217, dependent: 1116, dependent conditional: 0, dependent unconditional: 1116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 10282, independent: 5448, independent conditional: 0, independent unconditional: 5448, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 4819, unknown conditional: 0, unknown unconditional: 4819] , Statistics on independence cache: Total cache size (in pairs): 4819, Positive cache size: 4765, Positive conditional cache size: 0, Positive unconditional cache size: 4765, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5255, Maximal queried relation: 0, Independence queries for same thread: 528 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6758, independent: 6487, independent conditional: 1765, independent unconditional: 4722, dependent: 271, dependent conditional: 217, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6556, independent: 6487, independent conditional: 1765, independent unconditional: 4722, dependent: 69, dependent conditional: 15, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6556, independent: 6487, independent conditional: 1765, independent unconditional: 4722, dependent: 69, dependent conditional: 15, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6556, independent: 6487, independent conditional: 1765, independent unconditional: 4722, dependent: 69, dependent conditional: 15, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6556, independent: 6487, independent conditional: 0, independent unconditional: 6487, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6556, independent: 6487, independent conditional: 0, independent unconditional: 6487, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 283, independent: 283, independent conditional: 0, independent unconditional: 283, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 283, independent: 283, independent conditional: 0, independent unconditional: 283, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 6556, independent: 6204, independent conditional: 0, independent unconditional: 6204, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 283, unknown conditional: 0, unknown unconditional: 283] , Statistics on independence cache: Total cache size (in pairs): 5102, Positive cache size: 5048, Positive conditional cache size: 0, Positive unconditional cache size: 5048, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1780, Maximal queried relation: 0, Independence queries for same thread: 202, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 156, Number of trivial persistent sets: 22, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4776, independent: 4722, independent conditional: 0, independent unconditional: 4722, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6758, independent: 6487, independent conditional: 1765, independent unconditional: 4722, dependent: 271, dependent conditional: 217, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6556, independent: 6487, independent conditional: 1765, independent unconditional: 4722, dependent: 69, dependent conditional: 15, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6556, independent: 6487, independent conditional: 1765, independent unconditional: 4722, dependent: 69, dependent conditional: 15, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6556, independent: 6487, independent conditional: 1765, independent unconditional: 4722, dependent: 69, dependent conditional: 15, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6556, independent: 6487, independent conditional: 0, independent unconditional: 6487, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6556, independent: 6487, independent conditional: 0, independent unconditional: 6487, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 283, independent: 283, independent conditional: 0, independent unconditional: 283, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 283, independent: 283, independent conditional: 0, independent unconditional: 283, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 6556, independent: 6204, independent conditional: 0, independent unconditional: 6204, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 283, unknown conditional: 0, unknown unconditional: 283] , Statistics on independence cache: Total cache size (in pairs): 5102, Positive cache size: 5048, Positive conditional cache size: 0, Positive unconditional cache size: 5048, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1780, Maximal queried relation: 0, Independence queries for same thread: 202 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 813709, independent: 736019, independent conditional: 727735, independent unconditional: 8284, dependent: 77690, dependent conditional: 77612, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 752646, independent: 736019, independent conditional: 727735, independent unconditional: 8284, dependent: 16627, dependent conditional: 16549, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 752646, independent: 736019, independent conditional: 727735, independent unconditional: 8284, dependent: 16627, dependent conditional: 16549, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 780693, independent: 736019, independent conditional: 727735, independent unconditional: 8284, dependent: 44674, dependent conditional: 44596, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 780693, independent: 736019, independent conditional: 204, independent unconditional: 735815, dependent: 44674, dependent conditional: 3794, dependent unconditional: 40880, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 780693, independent: 736019, independent conditional: 204, independent unconditional: 735815, dependent: 44674, dependent conditional: 3794, dependent unconditional: 40880, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2294, independent: 2255, independent conditional: 2, independent unconditional: 2253, dependent: 39, dependent conditional: 9, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2294, independent: 2241, independent conditional: 0, independent unconditional: 2241, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 53, independent: 14, independent conditional: 2, independent unconditional: 12, dependent: 39, dependent conditional: 9, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, independent: 14, independent conditional: 2, independent unconditional: 12, dependent: 39, dependent conditional: 9, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 375, independent: 92, independent conditional: 20, independent unconditional: 72, dependent: 283, dependent conditional: 56, dependent unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 780693, independent: 733764, independent conditional: 202, independent unconditional: 733562, dependent: 44635, dependent conditional: 3785, dependent unconditional: 40850, unknown: 2294, unknown conditional: 11, unknown unconditional: 2283] , Statistics on independence cache: Total cache size (in pairs): 7396, Positive cache size: 7303, Positive conditional cache size: 2, Positive unconditional cache size: 7301, Negative cache size: 93, Negative conditional cache size: 9, Negative unconditional cache size: 84, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 768333, Maximal queried relation: 4, Independence queries for same thread: 61063, Persistent sets #1 benchmarks: Persistent set computation time: 2.7s, Number of persistent set computation: 41681, Number of trivial persistent sets: 41667, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8362, independent: 8284, independent conditional: 0, independent unconditional: 8284, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 813709, independent: 736019, independent conditional: 727735, independent unconditional: 8284, dependent: 77690, dependent conditional: 77612, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 752646, independent: 736019, independent conditional: 727735, independent unconditional: 8284, dependent: 16627, dependent conditional: 16549, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 752646, independent: 736019, independent conditional: 727735, independent unconditional: 8284, dependent: 16627, dependent conditional: 16549, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 780693, independent: 736019, independent conditional: 727735, independent unconditional: 8284, dependent: 44674, dependent conditional: 44596, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 780693, independent: 736019, independent conditional: 204, independent unconditional: 735815, dependent: 44674, dependent conditional: 3794, dependent unconditional: 40880, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 780693, independent: 736019, independent conditional: 204, independent unconditional: 735815, dependent: 44674, dependent conditional: 3794, dependent unconditional: 40880, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2294, independent: 2255, independent conditional: 2, independent unconditional: 2253, dependent: 39, dependent conditional: 9, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2294, independent: 2241, independent conditional: 0, independent unconditional: 2241, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 53, independent: 14, independent conditional: 2, independent unconditional: 12, dependent: 39, dependent conditional: 9, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, independent: 14, independent conditional: 2, independent unconditional: 12, dependent: 39, dependent conditional: 9, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 375, independent: 92, independent conditional: 20, independent unconditional: 72, dependent: 283, dependent conditional: 56, dependent unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 780693, independent: 733764, independent conditional: 202, independent unconditional: 733562, dependent: 44635, dependent conditional: 3785, dependent unconditional: 40850, unknown: 2294, unknown conditional: 11, unknown unconditional: 2283] , Statistics on independence cache: Total cache size (in pairs): 7396, Positive cache size: 7303, Positive conditional cache size: 2, Positive unconditional cache size: 7301, Negative cache size: 93, Negative conditional cache size: 9, Negative unconditional cache size: 84, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 768333, Maximal queried relation: 4, Independence queries for same thread: 61063 - CounterExampleResult [Line: 171]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L36] 0 _Atomic unsigned int x_0, y_1, x_8, y_9; [L37] 0 _Atomic _Bool f1_2, f2_3, f1_10, f2_11; [L38] 0 unsigned int temp_4, temp_5, temp_6, temp_7, temp_12, temp_13, temp_14, temp_15; [L142] 0 pthread_t t1, t4; [L145] 0 x_0 = __VERIFIER_nondet_uint() VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=0, temp_5=0, temp_6=0, temp_7=0, x_0=-1, x_8=0, y_1=0, y_9=0] [L146] 0 y_1 = __VERIFIER_nondet_uint() VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=0, temp_5=0, temp_6=0, temp_7=0, x_0=-1, x_8=0, y_1=3, y_9=0] [L147] 0 x_8 = __VERIFIER_nondet_uint() VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=0, temp_5=0, temp_6=0, temp_7=0, x_0=-1, x_8=4294967295, y_1=3, y_9=0] [L148] 0 y_9 = __VERIFIER_nondet_uint() VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=0, temp_5=0, temp_6=0, temp_7=0, x_0=-1, x_8=4294967295, y_1=3, y_9=-4294967293] [L149] 0 temp_4 = __VERIFIER_nondet_uint() [L150] 0 temp_5 = __VERIFIER_nondet_uint() [L151] 0 temp_6 = __VERIFIER_nondet_uint() [L152] 0 temp_7 = __VERIFIER_nondet_uint() [L153] 0 temp_12 = __VERIFIER_nondet_uint() [L154] 0 temp_13 = __VERIFIER_nondet_uint() [L155] 0 temp_14 = __VERIFIER_nondet_uint() [L156] 0 temp_15 = __VERIFIER_nondet_uint() [L157] 0 f1_2 = __VERIFIER_nondet_bool() VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, x_0=-1, x_8=4294967295, y_1=3, y_9=-4294967293] [L158] 0 f2_3 = __VERIFIER_nondet_bool() VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, x_0=-1, x_8=4294967295, y_1=3, y_9=-4294967293] [L159] 0 f1_10 = __VERIFIER_nondet_bool() VAL [f1_10=1, f1_2=0, f2_11=0, f2_3=0, x_0=-1, x_8=4294967295, y_1=3, y_9=-4294967293] [L160] 0 f2_11 = __VERIFIER_nondet_bool() VAL [f1_10=1, f1_2=0, f2_11=0, f2_3=0, x_0=-1, x_8=4294967295, y_1=3, y_9=-4294967293] [L163] CALL 0 assume_abort_if_not( ( x_0 == x_8 ) && ( y_1 == y_9 ) ) [L33] COND FALSE 0 !(!cond) [L163] RET 0 assume_abort_if_not( ( x_0 == x_8 ) && ( y_1 == y_9 ) ) [L165] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [\old(_argptr)={0:0}, f1_10=1, f1_2=0, f2_11=0, f2_3=0, t1=-5, x_0=-1, x_8=4294967295, y_1=3, y_9=-4294967293] [L78] 1 pthread_t t2, t3; VAL [\old(_argptr)={0:0}, _argptr={0:0}, f1_10=1, f1_2=0, f2_11=0, f2_3=0, x_0=-1, x_8=4294967295, y_1=3, y_9=-4294967293] [L80] 1 f1_2 = 0 VAL [\old(_argptr)={0:0}, _argptr={0:0}, f1_10=1, f1_2=0, f2_11=0, f2_3=0, x_0=-1, x_8=4294967295, y_1=3, y_9=-4294967293] [L81] 1 f2_3 = 0 VAL [\old(_argptr)={0:0}, _argptr={0:0}, f1_10=1, f1_2=0, f2_11=0, f2_3=0, x_0=-1, x_8=4294967295, y_1=3, y_9=-4294967293] [L83] FCALL, FORK 1 pthread_create(&t2, 0, thread2, 0) VAL [\old(_argptr)={0:0}, _argptr={0:0}, f1_10=1, f1_2=0, f2_11=0, f2_3=0, t2=-4, x_0=-1, x_8=4294967295, y_1=3, y_9=-4294967293] [L84] FCALL, FORK 1 pthread_create(&t3, 0, thread3, 0) VAL [\old(_argptr)={0:0}, _argptr={0:0}, f1_10=1, f1_2=0, f2_11=0, f2_3=0, t2=-4, t3=-3, x_0=-1, x_8=4294967295, y_1=3, y_9=-4294967293] [L166] FCALL, FORK 0 pthread_create(&t4, 0, thread4, 0) VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, f1_10=1, f1_2=0, f2_11=0, f2_3=0, t1=-5, t2=-4, t3=-3, t4=-2, x_0=-1, x_8=4294967295, y_1=3, y_9=-4294967293] [L128] 4 pthread_t t5, t6; VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=1, f1_2=0, f2_11=0, f2_3=0, t2=-4, t3=-3, x_0=-1, x_8=4294967295, y_1=3, y_9=-4294967293] [L130] 4 f1_10 = 0 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=-4, t3=-3, x_0=-1, x_8=4294967295, y_1=3, y_9=-4294967293] [L131] 4 f2_11 = 0 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=-4, t3=-3, x_0=-1, x_8=4294967295, y_1=3, y_9=-4294967293] [L133] FCALL, FORK 4 pthread_create(&t5, 0, thread5, 0) VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=-4, t3=-3, t5=-1, x_0=-1, x_8=4294967295, y_1=3, y_9=-4294967293] [L134] FCALL, FORK 4 pthread_create(&t6, 0, thread6, 0) VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=-4, t3=-3, t5=-1, t6=0, x_0=-1, x_8=4294967295, y_1=3, y_9=-4294967293] [L42] COND TRUE 2 __VERIFIER_nondet_bool() [L43] 2 temp_4 = x_0 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=-4, t3=-3, t5=-1, t6=0, temp_4=-1, x_0=-1, x_8=4294967295, y_1=3, y_9=-4294967293] [L44] 2 x_0 = temp_4 + 1 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=-4, t3=-3, t5=-1, t6=0, temp_4=-1, x_0=0, x_8=4294967295, y_1=3, y_9=-4294967293] [L46] 2 f1_2 = 1 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=1, f2_11=0, f2_3=0, t2=-4, t3=-3, t5=-1, t6=0, temp_4=-1, x_0=0, x_8=4294967295, y_1=3, y_9=-4294967293] [L60] COND TRUE 3 __VERIFIER_nondet_bool() [L61] 3 temp_6 = y_1 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=1, f2_11=0, f2_3=0, t2=-4, t3=-3, t5=-1, t6=0, temp_4=-1, temp_6=3, x_0=0, x_8=4294967295, y_1=3, y_9=-4294967293] [L62] 3 y_1 = temp_6 + 1 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=1, f2_11=0, f2_3=0, t2=-4, t3=-3, t5=-1, t6=0, temp_4=-1, temp_6=3, x_0=0, x_8=4294967295, y_1=4, y_9=-4294967293] [L64] 3 f2_3 = 1 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=1, f2_11=0, f2_3=1, t2=-4, t3=-3, t5=-1, t6=0, temp_4=-1, temp_6=3, x_0=0, x_8=4294967295, y_1=4, y_9=-4294967293] [L47] CALL 2 assume_abort_if_not(f2_3) [L33] COND FALSE 2 !(!cond) [L47] RET 2 assume_abort_if_not(f2_3) [L49] 2 temp_5 = y_1 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=1, f2_11=0, f2_3=1, t2=-4, t3=-3, t5=-1, t6=0, temp_4=-1, temp_5=4, temp_6=3, x_0=0, x_8=4294967295, y_1=4, y_9=-4294967293] [L50] 2 y_1 = temp_5 + 1 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=1, f2_11=0, f2_3=1, t2=-4, t3=-3, t5=-1, t6=0, temp_4=-1, temp_5=4, temp_6=3, x_0=0, x_8=4294967295, y_1=5, y_9=-4294967293] [L65] CALL 3 assume_abort_if_not(f1_2) [L33] COND FALSE 3 !(!cond) [L65] RET 3 assume_abort_if_not(f1_2) [L67] 3 temp_7 = x_0 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=1, f2_11=0, f2_3=1, t2=-4, t3=-3, t5=-1, t6=0, temp_4=-1, temp_5=4, temp_6=3, temp_7=0, x_0=0, x_8=4294967295, y_1=5, y_9=-4294967293] [L52] 2 f1_2 = 0 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=1, t2=-4, t3=-3, t5=-1, t6=0, temp_4=-1, temp_5=4, temp_6=3, temp_7=0, x_0=0, x_8=4294967295, y_1=5, y_9=-4294967293] [L68] 3 x_0 = temp_7 + 1 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=1, t2=-4, t3=-3, t5=-1, t6=0, temp_4=-1, temp_5=4, temp_6=3, temp_7=0, x_0=1, x_8=4294967295, y_1=5, y_9=-4294967293] [L70] 3 f2_3 = 0 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=-4, t3=-3, t5=-1, t6=0, temp_4=-1, temp_5=4, temp_6=3, temp_7=0, x_0=1, x_8=4294967295, y_1=5, y_9=-4294967293] [L53] CALL 2 assume_abort_if_not(!f2_3) [L33] COND FALSE 2 !(!cond) [L53] RET 2 assume_abort_if_not(!f2_3) [L71] CALL 3 assume_abort_if_not(!f1_2) [L33] COND FALSE 3 !(!cond) [L71] RET 3 assume_abort_if_not(!f1_2) [L92] COND FALSE 5 !(__VERIFIER_nondet_bool()) [L106] 5 return 0; [L135] FCALL, JOIN 5 pthread_join(t5, 0) VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=-4, t3=-3, t5=-1, t6=0, temp_4=-1, temp_5=4, temp_6=3, temp_7=0, x_0=1, x_8=4294967295, y_1=5, y_9=-4294967293] [L110] COND FALSE 6 !(__VERIFIER_nondet_bool()) [L124] 6 return 0; [L136] FCALL, JOIN 6 pthread_join(t6, 0) VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=-4, t3=-3, t5=-1, t6=0, temp_4=-1, temp_5=4, temp_6=3, temp_7=0, x_0=1, x_8=4294967295, y_1=5, y_9=-4294967293] [L138] 4 return 0; [L42] COND FALSE 2 !(__VERIFIER_nondet_bool()) [L56] 2 return 0; [L85] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=-4, t3=-3, t5=-1, t6=0, temp_4=-1, temp_5=4, temp_6=3, temp_7=0, x_0=1, x_8=4294967295, y_1=5, y_9=-4294967293] [L60] COND FALSE 3 !(__VERIFIER_nondet_bool()) [L74] 3 return 0; [L86] FCALL, JOIN 3 pthread_join(t3, 0) VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=-4, t3=-3, t5=-1, t6=0, temp_4=-1, temp_5=4, temp_6=3, temp_7=0, x_0=1, x_8=4294967295, y_1=5, y_9=-4294967293] [L88] 1 return 0; [L167] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1=-5, t2=-4, t3=-3, t4=-2, t5=-1, t6=0, temp_4=-1, temp_5=4, temp_6=3, temp_7=0, x_0=1, x_8=4294967295, y_1=5, y_9=-4294967293] [L168] FCALL, JOIN 4 pthread_join(t4, 0) VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1=-5, t2=-4, t3=-3, t4=-2, t5=-1, t6=0, temp_4=-1, temp_5=4, temp_6=3, temp_7=0, x_0=1, x_8=4294967295, y_1=5, y_9=-4294967293] [L170] CALL 0 assume_abort_if_not( !( ( x_0 == x_8 ) && ( y_1 == y_9 ) ) ) [L33] COND FALSE 0 !(!cond) [L170] RET 0 assume_abort_if_not( !( ( x_0 == x_8 ) && ( y_1 == y_9 ) ) ) [L171] 0 reach_error() VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1=-5, t2=-4, t3=-3, t4=-2, t5=-1, t6=0, temp_4=-1, temp_5=4, temp_6=3, temp_7=0, x_0=1, x_8=4294967295, y_1=5, y_9=-4294967293] - UnprovableResult [Line: 166]: 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: 165]: 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: thread4Thread1of1ForFork3 with 1 thread instances CFG has 13 procedures, 173 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 2.1s, 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: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork1 with 1 thread instances CFG has 13 procedures, 173 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, 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: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 173 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 16.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 14.1s, 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: 20, 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, 1.8s InterpolantComputationTime, 1980 NumberOfCodeBlocks, 1532 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1894 ConstructedInterpolants, 0 QuantifiedInterpolants, 2088 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 27/27 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]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 RESULT: Ultimate proved your program to be incorrect! [2024-11-23 11:18:17,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437241c-41ad-45a3-8933-6451b4b10db0/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE