./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a 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_8e477132-e417-498e-ada7-f65e36c36f7f/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e477132-e417-498e-ada7-f65e36c36f7f/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e477132-e417-498e-ada7-f65e36c36f7f/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e477132-e417-498e-ada7-f65e36c36f7f/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e477132-e417-498e-ada7-f65e36c36f7f/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e477132-e417-498e-ada7-f65e36c36f7f/bin/utaipan-verify-DbMuA5NWw2 --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 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:24:51,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:24:52,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e477132-e417-498e-ada7-f65e36c36f7f/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-02 12:24:52,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:24:52,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:24:52,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:24:52,096 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:24:52,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:24:52,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:24:52,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:24:52,098 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:24:52,099 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:24:52,100 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:24:52,104 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:24:52,105 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:24:52,105 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:24:52,106 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:24:52,106 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:24:52,106 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:24:52,107 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:24:52,107 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:24:52,109 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:24:52,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:24:52,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:24:52,111 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:24:52,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:24:52,112 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:24:52,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:24:52,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:24:52,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:24:52,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:24:52,114 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-02 12:24:52,115 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:24:52,115 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:24:52,115 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:24:52,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:24:52,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:24:52,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:24:52,116 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:24:52,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:24:52,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:24:52,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:24:52,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:24:52,118 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:24:52,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:24:52,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:24:52,119 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:24:52,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:24:52,120 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_8e477132-e417-498e-ada7-f65e36c36f7f/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e477132-e417-498e-ada7-f65e36c36f7f/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f [2024-11-02 12:24:52,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:24:52,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:24:52,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:24:52,467 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:24:52,468 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:24:52,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e477132-e417-498e-ada7-f65e36c36f7f/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c Unable to find full path for "g++" [2024-11-02 12:24:54,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:24:54,837 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:24:54,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e477132-e417-498e-ada7-f65e36c36f7f/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-11-02 12:24:54,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e477132-e417-498e-ada7-f65e36c36f7f/bin/utaipan-verify-DbMuA5NWw2/data/10df753e2/67f385b8675e4b93955589d94369bbf5/FLAGd1b503b5b [2024-11-02 12:24:55,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e477132-e417-498e-ada7-f65e36c36f7f/bin/utaipan-verify-DbMuA5NWw2/data/10df753e2/67f385b8675e4b93955589d94369bbf5 [2024-11-02 12:24:55,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:24:55,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:24:55,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:24:55,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:24:55,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:24:55,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:55" (1/1) ... [2024-11-02 12:24:55,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32cd73ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:55, skipping insertion in model container [2024-11-02 12:24:55,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:55" (1/1) ... [2024-11-02 12:24:55,253 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:24:55,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:24:55,545 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:24:55,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:24:55,619 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:24:55,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:55 WrapperNode [2024-11-02 12:24:55,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:24:55,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:24:55,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:24:55,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:24:55,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:55" (1/1) ... [2024-11-02 12:24:55,641 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:55" (1/1) ... [2024-11-02 12:24:55,700 INFO L138 Inliner]: procedures = 25, calls = 60, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 619 [2024-11-02 12:24:55,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:24:55,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:24:55,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:24:55,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:24:55,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:55" (1/1) ... [2024-11-02 12:24:55,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:55" (1/1) ... [2024-11-02 12:24:55,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:55" (1/1) ... [2024-11-02 12:24:55,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:55" (1/1) ... [2024-11-02 12:24:55,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:55" (1/1) ... [2024-11-02 12:24:55,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:55" (1/1) ... [2024-11-02 12:24:55,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:55" (1/1) ... [2024-11-02 12:24:55,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:55" (1/1) ... [2024-11-02 12:24:55,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:24:55,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:24:55,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:24:55,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:24:55,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:55" (1/1) ... [2024-11-02 12:24:55,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:24:55,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e477132-e417-498e-ada7-f65e36c36f7f/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:24:55,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e477132-e417-498e-ada7-f65e36c36f7f/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:24:55,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e477132-e417-498e-ada7-f65e36c36f7f/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:24:55,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:24:55,858 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-02 12:24:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-02 12:24:55,858 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-02 12:24:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-02 12:24:55,859 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-02 12:24:55,860 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-02 12:24:55,861 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-02 12:24:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-02 12:24:55,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:24:55,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:24:55,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-02 12:24:55,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-02 12:24:55,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:24:55,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:24:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:24:55,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:24:55,865 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 12:24:56,048 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:24:56,051 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:24:57,215 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 12:24:57,215 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:24:57,964 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:24:57,966 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-02 12:24:57,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:57 BoogieIcfgContainer [2024-11-02 12:24:57,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:24:57,969 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:24:57,971 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:24:57,974 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:24:57,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:24:55" (1/3) ... [2024-11-02 12:24:57,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35eb11d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:24:57, skipping insertion in model container [2024-11-02 12:24:57,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:55" (2/3) ... [2024-11-02 12:24:57,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35eb11d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:24:57, skipping insertion in model container [2024-11-02 12:24:57,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:57" (3/3) ... [2024-11-02 12:24:57,979 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2024-11-02 12:24:57,999 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:24:57,999 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 95 error locations. [2024-11-02 12:24:57,999 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 12:24:58,171 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-02 12:24:58,228 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 433 places, 443 transitions, 914 flow