./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_903a4b4d-c932-4142-aa0f-f046b913bcbc/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903a4b4d-c932-4142-aa0f-f046b913bcbc/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903a4b4d-c932-4142-aa0f-f046b913bcbc/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903a4b4d-c932-4142-aa0f-f046b913bcbc/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903a4b4d-c932-4142-aa0f-f046b913bcbc/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903a4b4d-c932-4142-aa0f-f046b913bcbc/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca1f4e84b0c3293f862fce4d37df3243047d657a38c3742a736e55e02eaefd2e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:32:33,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:32:34,035 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903a4b4d-c932-4142-aa0f-f046b913bcbc/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 20:32:34,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:32:34,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:32:34,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:32:34,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:32:34,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:32:34,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:32:34,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:32:34,080 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:32:34,080 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:32:34,081 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:32:34,082 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:32:34,082 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:32:34,083 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:32:34,084 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:32:34,085 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:32:34,085 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:32:34,086 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:32:34,087 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:32:34,088 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:32:34,089 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:32:34,090 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:32:34,090 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:32:34,091 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:32:34,092 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:32:34,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:32:34,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:32:34,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:32:34,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:32:34,099 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:32:34,099 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:32:34,100 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:32:34,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:32:34,105 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:32:34,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:32:34,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:32:34,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:32:34,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:34,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:32:34,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:32:34,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:32:34,110 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:32:34,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:32:34,111 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:32:34,111 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:32:34,112 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:32:34,112 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:32:34,112 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_903a4b4d-c932-4142-aa0f-f046b913bcbc/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903a4b4d-c932-4142-aa0f-f046b913bcbc/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca1f4e84b0c3293f862fce4d37df3243047d657a38c3742a736e55e02eaefd2e [2023-11-23 20:32:34,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:32:34,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:32:34,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:32:34,466 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:32:34,468 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:32:34,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903a4b4d-c932-4142-aa0f-f046b913bcbc/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c [2023-11-23 20:32:38,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:32:38,307 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:32:38,307 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903a4b4d-c932-4142-aa0f-f046b913bcbc/sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c [2023-11-23 20:32:38,319 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903a4b4d-c932-4142-aa0f-f046b913bcbc/bin/utaipan-verify-mE87zJ7Ire/data/d5a126513/2b0fcbf519ee4887933b04c420c07f5e/FLAG640e5df4c [2023-11-23 20:32:38,337 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903a4b4d-c932-4142-aa0f-f046b913bcbc/bin/utaipan-verify-mE87zJ7Ire/data/d5a126513/2b0fcbf519ee4887933b04c420c07f5e [2023-11-23 20:32:38,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:32:38,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:32:38,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:38,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:32:38,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:32:38,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:38" (1/1) ... [2023-11-23 20:32:38,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42bec598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:38, skipping insertion in model container [2023-11-23 20:32:38,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:38" (1/1) ... [2023-11-23 20:32:38,408 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:38,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:38,729 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:32:38,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:38,792 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:32:38,792 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:32:38,801 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:32:38,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:38 WrapperNode [2023-11-23 20:32:38,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:38,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:38,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:32:38,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:32:38,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:38" (1/1) ... [2023-11-23 20:32:38,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:38" (1/1) ... [2023-11-23 20:32:38,876 INFO L138 Inliner]: procedures = 26, calls = 116, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 365 [2023-11-23 20:32:38,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:38,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:32:38,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:32:38,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:32:38,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:38" (1/1) ... [2023-11-23 20:32:38,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:38" (1/1) ... [2023-11-23 20:32:38,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:38" (1/1) ... [2023-11-23 20:32:38,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:38" (1/1) ... [2023-11-23 20:32:38,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:38" (1/1) ... [2023-11-23 20:32:38,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:38" (1/1) ... [2023-11-23 20:32:38,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:38" (1/1) ... [2023-11-23 20:32:38,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:38" (1/1) ... [2023-11-23 20:32:38,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:32:38,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:32:38,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:32:38,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:32:38,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:38" (1/1) ... [2023-11-23 20:32:38,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:38,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903a4b4d-c932-4142-aa0f-f046b913bcbc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:38,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903a4b4d-c932-4142-aa0f-f046b913bcbc/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:32:38,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903a4b4d-c932-4142-aa0f-f046b913bcbc/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:32:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:32:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:32:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:32:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:32:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:32:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:32:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:32:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:32:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:32:39,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:32:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-23 20:32:39,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-23 20:32:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:32:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-23 20:32:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-23 20:32:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-23 20:32:39,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-23 20:32:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2023-11-23 20:32:39,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2023-11-23 20:32:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:32:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:32:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:32:39,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:32:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:32:39,013 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:32:39,178 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:32:39,180 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:32:39,799 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:32:40,319 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:32:40,319 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:32:40,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:40 BoogieIcfgContainer [2023-11-23 20:32:40,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:32:40,325 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:32:40,326 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:32:40,329 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:32:40,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:32:38" (1/3) ... [2023-11-23 20:32:40,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652aa056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:40, skipping insertion in model container [2023-11-23 20:32:40,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:38" (2/3) ... [2023-11-23 20:32:40,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652aa056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:40, skipping insertion in model container [2023-11-23 20:32:40,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:40" (3/3) ... [2023-11-23 20:32:40,334 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-7.wvr.c [2023-11-23 20:32:40,351 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 20:32:40,365 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:32:40,365 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-11-23 20:32:40,365 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 20:32:40,511 INFO L144 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2023-11-23 20:32:40,558 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 129 places, 107 transitions, 263 flow