./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66bf746-19fe-4f93-b8d3-9ba3917ea7fb/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66bf746-19fe-4f93-b8d3-9ba3917ea7fb/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66bf746-19fe-4f93-b8d3-9ba3917ea7fb/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66bf746-19fe-4f93-b8d3-9ba3917ea7fb/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66bf746-19fe-4f93-b8d3-9ba3917ea7fb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66bf746-19fe-4f93-b8d3-9ba3917ea7fb/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:13:16,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:13:16,793 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66bf746-19fe-4f93-b8d3-9ba3917ea7fb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-19 04:13:16,802 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:13:16,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:13:16,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:13:16,849 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:13:16,850 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:13:16,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:13:16,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:13:16,857 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:13:16,858 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:13:16,859 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:13:16,860 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:13:16,861 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:13:16,861 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:13:16,862 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:13:16,862 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:13:16,863 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:13:16,863 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:13:16,864 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:13:16,864 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:13:16,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:13:16,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:13:16,866 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:13:16,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:13:16,867 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:13:16,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:13:16,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:13:16,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:13:16,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:13:16,870 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 04:13:16,871 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:13:16,871 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:13:16,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:13:16,871 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:13:16,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:13:16,872 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:13:16,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:16,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:13:16,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:13:16,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:13:16,873 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:13:16,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:13:16,874 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:13:16,875 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:13:16,875 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:13:16,875 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66bf746-19fe-4f93-b8d3-9ba3917ea7fb/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66bf746-19fe-4f93-b8d3-9ba3917ea7fb/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 [2023-11-19 04:13:17,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:13:17,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:13:17,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:13:17,217 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:13:17,218 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:13:17,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66bf746-19fe-4f93-b8d3-9ba3917ea7fb/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-19 04:13:20,456 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:13:20,704 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:13:20,705 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66bf746-19fe-4f93-b8d3-9ba3917ea7fb/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-19 04:13:20,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66bf746-19fe-4f93-b8d3-9ba3917ea7fb/bin/utaipan-verify-t7M7D8N6sZ/data/b9ce94dce/492bc9d260c843bea7db52cb5edcd02c/FLAG09c7b9535 [2023-11-19 04:13:20,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66bf746-19fe-4f93-b8d3-9ba3917ea7fb/bin/utaipan-verify-t7M7D8N6sZ/data/b9ce94dce/492bc9d260c843bea7db52cb5edcd02c [2023-11-19 04:13:20,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:13:20,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:13:20,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:20,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:13:20,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:13:20,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:20" (1/1) ... [2023-11-19 04:13:20,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2653d87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:20, skipping insertion in model container [2023-11-19 04:13:20,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:20" (1/1) ... [2023-11-19 04:13:20,793 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:13:21,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:21,068 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:13:21,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:21,159 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:13:21,161 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:13:21,168 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:13:21,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:21 WrapperNode [2023-11-19 04:13:21,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:21,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:21,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:13:21,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:13:21,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:21" (1/1) ... [2023-11-19 04:13:21,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:21" (1/1) ... [2023-11-19 04:13:21,257 INFO L138 Inliner]: procedures = 29, calls = 89, calls flagged for inlining = 23, calls inlined = 33, statements flattened = 698 [2023-11-19 04:13:21,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:21,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:13:21,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:13:21,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:13:21,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:21" (1/1) ... [2023-11-19 04:13:21,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:21" (1/1) ... [2023-11-19 04:13:21,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:21" (1/1) ... [2023-11-19 04:13:21,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:21" (1/1) ... [2023-11-19 04:13:21,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:21" (1/1) ... [2023-11-19 04:13:21,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:21" (1/1) ... [2023-11-19 04:13:21,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:21" (1/1) ... [2023-11-19 04:13:21,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:21" (1/1) ... [2023-11-19 04:13:21,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:13:21,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:13:21,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:13:21,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:13:21,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:21" (1/1) ... [2023-11-19 04:13:21,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:21,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66bf746-19fe-4f93-b8d3-9ba3917ea7fb/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:13:21,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66bf746-19fe-4f93-b8d3-9ba3917ea7fb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:13:21,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66bf746-19fe-4f93-b8d3-9ba3917ea7fb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:13:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:13:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:13:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:13:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:13:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:13:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:13:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:13:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:13:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:13:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:13:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 04:13:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 04:13:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:13:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-19 04:13:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-19 04:13:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-19 04:13:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-19 04:13:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:13:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:13:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:13:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:13:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:13:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:13:21,427 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:13:21,600 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:13:21,603 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:13:22,789 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:13:23,310 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:13:23,311 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 04:13:23,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:23 BoogieIcfgContainer [2023-11-19 04:13:23,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:13:23,319 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:13:23,319 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:13:23,323 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:13:23,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:13:20" (1/3) ... [2023-11-19 04:13:23,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a37f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:23, skipping insertion in model container [2023-11-19 04:13:23,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:21" (2/3) ... [2023-11-19 04:13:23,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a37f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:23, skipping insertion in model container [2023-11-19 04:13:23,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:23" (3/3) ... [2023-11-19 04:13:23,326 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2023-11-19 04:13:23,336 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 04:13:23,348 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:13:23,348 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 89 error locations. [2023-11-19 04:13:23,348 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 04:13:23,567 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-11-19 04:13:23,630 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 04:13:23,651 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 595 places, 604 transitions, 1274 flow [2023-11-19 04:13:23,656 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 595 places, 604 transitions, 1274 flow [2023-11-19 04:13:23,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 595 places, 604 transitions, 1274 flow [2023-11-19 04:13:23,997 INFO L124 PetriNetUnfolderBase]: 26/528 cut-off events. [2023-11-19 04:13:23,997 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-19 04:13:24,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 528 events. 26/528 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 897 event pairs, 0 based on Foata normal form. 0/413 useless extension candidates. Maximal degree in co-relation 446. Up to 3 conditions per place. [2023-11-19 04:13:24,038 INFO L119 LiptonReduction]: Number of co-enabled transitions 32944 [2023-11-19 04:13:46,841 INFO L134 LiptonReduction]: Checked pairs total: 193318 [2023-11-19 04:13:46,841 INFO L136 LiptonReduction]: Total number of compositions: 683 [2023-11-19 04:13:46,850 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 224 places, 214 transitions, 494 flow