./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86afb0-7676-41b6-91ad-08f3af3c6ebe/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86afb0-7676-41b6-91ad-08f3af3c6ebe/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86afb0-7676-41b6-91ad-08f3af3c6ebe/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86afb0-7676-41b6-91ad-08f3af3c6ebe/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86afb0-7676-41b6-91ad-08f3af3c6ebe/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86afb0-7676-41b6-91ad-08f3af3c6ebe/bin/utaipan-verify-t7M7D8N6sZ --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 aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:59:18,562 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:59:18,666 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86afb0-7676-41b6-91ad-08f3af3c6ebe/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-19 04:59:18,672 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:59:18,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:59:18,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:59:18,725 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:59:18,726 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:59:18,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:59:18,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:59:18,728 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:59:18,729 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:59:18,729 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:59:18,730 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:59:18,731 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:59:18,731 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:59:18,732 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:59:18,733 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:59:18,733 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:59:18,734 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:59:18,734 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:59:18,735 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:59:18,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:59:18,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:59:18,737 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:59:18,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:59:18,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:59:18,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:59:18,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:59:18,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:59:18,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:59:18,740 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:59:18,741 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:59:18,741 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:59:18,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:59:18,742 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:59:18,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:59:18,751 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:59:18,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:18,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:59:18,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:59:18,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:59:18,753 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:59:18,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:59:18,753 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:59:18,754 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:59:18,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:59:18,754 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_bc86afb0-7676-41b6-91ad-08f3af3c6ebe/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86afb0-7676-41b6-91ad-08f3af3c6ebe/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 [2023-11-19 04:59:19,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:59:19,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:59:19,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:59:19,135 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:59:19,136 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:59:19,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86afb0-7676-41b6-91ad-08f3af3c6ebe/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-19 04:59:23,002 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:59:23,373 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:59:23,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86afb0-7676-41b6-91ad-08f3af3c6ebe/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-19 04:59:23,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86afb0-7676-41b6-91ad-08f3af3c6ebe/bin/utaipan-verify-t7M7D8N6sZ/data/9e952916b/3a7b66c903214c84a15bb0889abc1033/FLAG9c483a526 [2023-11-19 04:59:23,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86afb0-7676-41b6-91ad-08f3af3c6ebe/bin/utaipan-verify-t7M7D8N6sZ/data/9e952916b/3a7b66c903214c84a15bb0889abc1033 [2023-11-19 04:59:23,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:59:23,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:59:23,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:23,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:59:23,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:59:23,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:23" (1/1) ... [2023-11-19 04:59:23,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e5ffa76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:23, skipping insertion in model container [2023-11-19 04:59:23,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:23" (1/1) ... [2023-11-19 04:59:23,471 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:59:23,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:23,731 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:59:23,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:23,794 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:59:23,794 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:59:23,802 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:59:23,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:23 WrapperNode [2023-11-19 04:59:23,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:23,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:23,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:59:23,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:59:23,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:23" (1/1) ... [2023-11-19 04:59:23,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:23" (1/1) ... [2023-11-19 04:59:23,906 INFO L138 Inliner]: procedures = 29, calls = 89, calls flagged for inlining = 23, calls inlined = 33, statements flattened = 507 [2023-11-19 04:59:23,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:23,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:59:23,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:59:23,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:59:23,929 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:23" (1/1) ... [2023-11-19 04:59:23,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:23" (1/1) ... [2023-11-19 04:59:23,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:23" (1/1) ... [2023-11-19 04:59:23,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:23" (1/1) ... [2023-11-19 04:59:23,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:23" (1/1) ... [2023-11-19 04:59:24,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:23" (1/1) ... [2023-11-19 04:59:24,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:23" (1/1) ... [2023-11-19 04:59:24,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:23" (1/1) ... [2023-11-19 04:59:24,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:59:24,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:59:24,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:59:24,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:59:24,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:23" (1/1) ... [2023-11-19 04:59:24,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:24,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86afb0-7676-41b6-91ad-08f3af3c6ebe/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:24,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86afb0-7676-41b6-91ad-08f3af3c6ebe/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:59:24,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86afb0-7676-41b6-91ad-08f3af3c6ebe/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:59:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:59:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:59:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:59:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:59:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:59:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:59:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:59:24,149 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:59:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:59:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:59:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 04:59:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 04:59:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:59:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-19 04:59:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-19 04:59:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-19 04:59:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-19 04:59:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:59:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:59:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:59:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:59:24,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:59:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:59:24,158 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:59:24,352 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:59:24,355 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:59:25,424 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:59:26,420 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:59:26,420 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 04:59:26,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:26 BoogieIcfgContainer [2023-11-19 04:59:26,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:59:26,431 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:59:26,431 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:59:26,435 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:59:26,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:59:23" (1/3) ... [2023-11-19 04:59:26,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e62dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:26, skipping insertion in model container [2023-11-19 04:59:26,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:23" (2/3) ... [2023-11-19 04:59:26,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e62dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:26, skipping insertion in model container [2023-11-19 04:59:26,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:26" (3/3) ... [2023-11-19 04:59:26,439 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2023-11-19 04:59:26,452 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 04:59:26,466 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:59:26,467 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2023-11-19 04:59:26,467 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 04:59:26,990 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-11-19 04:59:27,062 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 04:59:27,092 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 393 places, 455 transitions, 976 flow [2023-11-19 04:59:27,101 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 393 places, 455 transitions, 976 flow [2023-11-19 04:59:27,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 393 places, 455 transitions, 976 flow [2023-11-19 04:59:27,306 INFO L124 PetriNetUnfolderBase]: 63/381 cut-off events. [2023-11-19 04:59:27,306 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-19 04:59:27,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 410 conditions, 381 events. 63/381 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 653 event pairs, 0 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 314. Up to 5 conditions per place. [2023-11-19 04:59:27,347 INFO L119 LiptonReduction]: Number of co-enabled transitions 28424 [2023-11-19 05:00:11,598 INFO L134 LiptonReduction]: Checked pairs total: 87929 [2023-11-19 05:00:11,598 INFO L136 LiptonReduction]: Total number of compositions: 534 [2023-11-19 05:00:11,608 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 151 places, 141 transitions, 348 flow