./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f78034-e9ec-43a1-8d46-17dacf1fa7d2/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f78034-e9ec-43a1-8d46-17dacf1fa7d2/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f78034-e9ec-43a1-8d46-17dacf1fa7d2/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f78034-e9ec-43a1-8d46-17dacf1fa7d2/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f78034-e9ec-43a1-8d46-17dacf1fa7d2/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f78034-e9ec-43a1-8d46-17dacf1fa7d2/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:49:48,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:49:48,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f78034-e9ec-43a1-8d46-17dacf1fa7d2/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 07:49:48,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:49:48,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:49:48,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:49:48,410 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:49:48,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:49:48,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:49:48,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:49:48,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:49:48,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:49:48,415 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:49:48,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:49:48,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:49:48,417 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:49:48,418 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:49:48,418 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:49:48,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:49:48,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:49:48,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:49:48,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:49:48,421 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:49:48,422 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:49:48,422 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:49:48,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:49:48,424 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:49:48,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:49:48,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:49:48,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:49:48,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:49:48,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:49:48,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:49:48,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:49:48,428 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:49:48,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:49:48,428 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:49:48,429 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:49:48,429 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:49:48,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:49:48,430 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:49:48,430 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_51f78034-e9ec-43a1-8d46-17dacf1fa7d2/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f78034-e9ec-43a1-8d46-17dacf1fa7d2/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4 [2023-11-19 07:49:48,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:49:48,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:49:48,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:49:48,850 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:49:48,850 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:49:48,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f78034-e9ec-43a1-8d46-17dacf1fa7d2/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2023-11-19 07:49:52,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:49:52,280 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:49:52,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f78034-e9ec-43a1-8d46-17dacf1fa7d2/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2023-11-19 07:49:52,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f78034-e9ec-43a1-8d46-17dacf1fa7d2/bin/uautomizer-verify-uCwYo4JHxu/data/72ef9503a/3db21ef37cd5423bba49ac4a499263df/FLAG7bd46af8e [2023-11-19 07:49:52,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f78034-e9ec-43a1-8d46-17dacf1fa7d2/bin/uautomizer-verify-uCwYo4JHxu/data/72ef9503a/3db21ef37cd5423bba49ac4a499263df [2023-11-19 07:49:52,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:49:52,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:49:52,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:52,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:49:52,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:49:52,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:52" (1/1) ... [2023-11-19 07:49:52,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3513fcab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52, skipping insertion in model container [2023-11-19 07:49:52,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:52" (1/1) ... [2023-11-19 07:49:52,418 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:49:52,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:52,627 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:49:52,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:52,675 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:49:52,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52 WrapperNode [2023-11-19 07:49:52,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:52,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:49:52,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:49:52,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:49:52,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2023-11-19 07:49:52,698 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2023-11-19 07:49:52,740 INFO L138 Inliner]: procedures = 23, calls = 42, calls flagged for inlining = 18, calls inlined = 32, statements flattened = 409 [2023-11-19 07:49:52,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:49:52,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:49:52,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:49:52,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:49:52,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2023-11-19 07:49:52,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2023-11-19 07:49:52,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2023-11-19 07:49:52,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2023-11-19 07:49:52,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2023-11-19 07:49:52,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2023-11-19 07:49:52,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2023-11-19 07:49:52,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2023-11-19 07:49:52,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:49:52,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:49:52,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:49:52,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:49:52,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2023-11-19 07:49:52,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:49:52,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f78034-e9ec-43a1-8d46-17dacf1fa7d2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:49:52,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f78034-e9ec-43a1-8d46-17dacf1fa7d2/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:49:52,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f78034-e9ec-43a1-8d46-17dacf1fa7d2/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:49:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:49:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:49:52,871 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:49:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:49:52,872 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:49:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:49:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:49:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:49:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:49:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:49:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:49:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:49:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:49:52,876 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:49:53,005 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:49:53,007 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:49:53,804 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:49:53,832 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:49:53,832 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 07:49:53,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:53 BoogieIcfgContainer [2023-11-19 07:49:53,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:49:53,849 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:49:53,849 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:49:53,852 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:49:53,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:49:52" (1/3) ... [2023-11-19 07:49:53,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a44269d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:53, skipping insertion in model container [2023-11-19 07:49:53,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (2/3) ... [2023-11-19 07:49:53,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a44269d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:53, skipping insertion in model container [2023-11-19 07:49:53,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:53" (3/3) ... [2023-11-19 07:49:53,856 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2023-11-19 07:49:53,870 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:49:53,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:49:53,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2023-11-19 07:49:53,882 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:49:54,122 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 07:49:54,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 558 places, 595 transitions, 1204 flow [2023-11-19 07:49:54,482 INFO L124 PetriNetUnfolderBase]: 44/593 cut-off events. [2023-11-19 07:49:54,482 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:49:54,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 593 events. 44/593 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1849 event pairs, 0 based on Foata normal form. 0/495 useless extension candidates. Maximal degree in co-relation 457. Up to 2 conditions per place. [2023-11-19 07:49:54,513 INFO L82 GeneralOperation]: Start removeDead. Operand has 558 places, 595 transitions, 1204 flow [2023-11-19 07:49:54,534 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 535 places, 571 transitions, 1151 flow [2023-11-19 07:49:54,537 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:49:54,560 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 535 places, 571 transitions, 1151 flow [2023-11-19 07:49:54,563 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 535 places, 571 transitions, 1151 flow [2023-11-19 07:49:54,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 535 places, 571 transitions, 1151 flow [2023-11-19 07:49:54,782 INFO L124 PetriNetUnfolderBase]: 43/571 cut-off events. [2023-11-19 07:49:54,782 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 07:49:54,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 579 conditions, 571 events. 43/571 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1766 event pairs, 0 based on Foata normal form. 0/474 useless extension candidates. Maximal degree in co-relation 457. Up to 2 conditions per place. [2023-11-19 07:49:54,852 INFO L119 LiptonReduction]: Number of co-enabled transitions 106148