./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_9d6e593e-d524-4707-a904-1ea4384914a8/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6e593e-d524-4707-a904-1ea4384914a8/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6e593e-d524-4707-a904-1ea4384914a8/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6e593e-d524-4707-a904-1ea4384914a8/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6e593e-d524-4707-a904-1ea4384914a8/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6e593e-d524-4707-a904-1ea4384914a8/bin/uautomizer-verify-uTZkv6EMXl --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 dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:28:29,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:28:29,817 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6e593e-d524-4707-a904-1ea4384914a8/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-12 02:28:29,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:28:29,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:28:29,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:28:29,876 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:28:29,877 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:28:29,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:28:29,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:28:29,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:28:29,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:28:29,890 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:28:29,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:28:29,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:28:29,893 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:28:29,894 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:28:29,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:28:29,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:28:29,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:28:29,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:28:29,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:28:29,897 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:28:29,898 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:28:29,898 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:28:29,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:28:29,899 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:28:29,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:28:29,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:28:29,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:28:29,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:28:29,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:28:29,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:28:29,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:28:29,904 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:28:29,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:28:29,905 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:28:29,905 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:28:29,905 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:28:29,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:28:29,906 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:28:29,907 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_9d6e593e-d524-4707-a904-1ea4384914a8/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6e593e-d524-4707-a904-1ea4384914a8/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 [2023-11-12 02:28:30,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:28:30,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:28:30,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:28:30,306 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:28:30,306 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:28:30,308 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6e593e-d524-4707-a904-1ea4384914a8/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2023-11-12 02:28:33,766 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:28:34,095 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:28:34,095 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6e593e-d524-4707-a904-1ea4384914a8/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2023-11-12 02:28:34,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6e593e-d524-4707-a904-1ea4384914a8/bin/uautomizer-verify-uTZkv6EMXl/data/4bcff5b3c/ffc319b821ee48519e7ed850333f6410/FLAG82aa3517e [2023-11-12 02:28:34,141 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6e593e-d524-4707-a904-1ea4384914a8/bin/uautomizer-verify-uTZkv6EMXl/data/4bcff5b3c/ffc319b821ee48519e7ed850333f6410 [2023-11-12 02:28:34,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:28:34,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:28:34,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:28:34,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:28:34,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:28:34,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:28:34" (1/1) ... [2023-11-12 02:28:34,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f48f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:34, skipping insertion in model container [2023-11-12 02:28:34,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:28:34" (1/1) ... [2023-11-12 02:28:34,214 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:28:34,770 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:28:34,771 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:28:34,771 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:28:34,772 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:28:34,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:28:34,853 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:28:34,907 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:28:34,908 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:28:34,908 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:28:34,909 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:28:34,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:28:35,043 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:28:35,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:35 WrapperNode [2023-11-12 02:28:35,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:28:35,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:28:35,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:28:35,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:28:35,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:35" (1/1) ... [2023-11-12 02:28:35,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:35" (1/1) ... [2023-11-12 02:28:35,151 INFO L138 Inliner]: procedures = 278, calls = 52, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 247 [2023-11-12 02:28:35,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:28:35,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:28:35,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:28:35,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:28:35,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:35" (1/1) ... [2023-11-12 02:28:35,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:35" (1/1) ... [2023-11-12 02:28:35,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:35" (1/1) ... [2023-11-12 02:28:35,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:35" (1/1) ... [2023-11-12 02:28:35,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:35" (1/1) ... [2023-11-12 02:28:35,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:35" (1/1) ... [2023-11-12 02:28:35,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:35" (1/1) ... [2023-11-12 02:28:35,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:35" (1/1) ... [2023-11-12 02:28:35,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:28:35,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:28:35,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:28:35,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:28:35,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:35" (1/1) ... [2023-11-12 02:28:35,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:28:35,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6e593e-d524-4707-a904-1ea4384914a8/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:28:35,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6e593e-d524-4707-a904-1ea4384914a8/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:28:35,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6e593e-d524-4707-a904-1ea4384914a8/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:28:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:28:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:28:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:28:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:28:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:28:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 02:28:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:28:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:28:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:28:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-12 02:28:35,351 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-12 02:28:35,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:28:35,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:28:35,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:28:35,354 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:28:35,580 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:28:35,583 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:28:36,182 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:28:36,196 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:28:36,197 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-12 02:28:36,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:36 BoogieIcfgContainer [2023-11-12 02:28:36,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:28:36,212 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:28:36,213 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:28:36,216 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:28:36,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:28:34" (1/3) ... [2023-11-12 02:28:36,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c85399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:28:36, skipping insertion in model container [2023-11-12 02:28:36,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:35" (2/3) ... [2023-11-12 02:28:36,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c85399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:28:36, skipping insertion in model container [2023-11-12 02:28:36,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:36" (3/3) ... [2023-11-12 02:28:36,220 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_92-evilcollapse_racing.i [2023-11-12 02:28:36,249 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:28:36,261 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:28:36,261 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-12 02:28:36,261 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:28:36,432 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-12 02:28:36,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 269 places, 293 transitions, 593 flow [2023-11-12 02:28:36,588 INFO L124 PetriNetUnfolderBase]: 29/312 cut-off events. [2023-11-12 02:28:36,588 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 02:28:36,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 312 events. 29/312 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 604 event pairs, 0 based on Foata normal form. 0/264 useless extension candidates. Maximal degree in co-relation 166. Up to 4 conditions per place. [2023-11-12 02:28:36,596 INFO L82 GeneralOperation]: Start removeDead. Operand has 269 places, 293 transitions, 593 flow [2023-11-12 02:28:36,605 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 267 places, 290 transitions, 587 flow [2023-11-12 02:28:36,609 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:28:36,621 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 267 places, 290 transitions, 587 flow [2023-11-12 02:28:36,624 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 267 places, 290 transitions, 587 flow [2023-11-12 02:28:36,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 267 places, 290 transitions, 587 flow [2023-11-12 02:28:36,734 INFO L124 PetriNetUnfolderBase]: 28/309 cut-off events. [2023-11-12 02:28:36,734 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 02:28:36,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 314 conditions, 309 events. 28/309 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 587 event pairs, 0 based on Foata normal form. 0/262 useless extension candidates. Maximal degree in co-relation 166. Up to 4 conditions per place. [2023-11-12 02:28:36,748 INFO L119 LiptonReduction]: Number of co-enabled transitions 6206 [2023-11-12 02:28:59,272 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification. DAG size of input: 157 DAG size of output: 155 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-12 02:29:11,940 WARN L293 SmtUtils]: Spent 10.70s on a formula simplification. DAG size of input: 159 DAG size of output: 157 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-12 02:29:25,090 WARN L293 SmtUtils]: Spent 9.56s on a formula simplification. DAG size of input: 158 DAG size of output: 157 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)