./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_f0232ee2-3d27-49d9-af4c-eaa2e5cca45d/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0232ee2-3d27-49d9-af4c-eaa2e5cca45d/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0232ee2-3d27-49d9-af4c-eaa2e5cca45d/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0232ee2-3d27-49d9-af4c-eaa2e5cca45d/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0232ee2-3d27-49d9-af4c-eaa2e5cca45d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0232ee2-3d27-49d9-af4c-eaa2e5cca45d/bin/utaipan-verify-NcY6lQBIFX --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 37988a2d341c7c9f3fcf434d412d9132bef9023d4105c08959698de2759206e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:54:35,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:54:35,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0232ee2-3d27-49d9-af4c-eaa2e5cca45d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-12 00:54:35,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:54:35,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:54:35,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:54:35,636 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:54:35,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:54:35,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:54:35,644 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:54:35,645 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:54:35,646 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:54:35,647 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:54:35,649 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:54:35,649 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:54:35,650 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:54:35,650 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:54:35,650 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:54:35,651 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:54:35,652 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:54:35,654 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:54:35,655 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:54:35,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:54:35,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:54:35,657 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:54:35,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:54:35,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:54:35,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:54:35,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:54:35,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:54:35,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:54:35,661 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:54:35,662 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:54:35,662 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:54:35,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:54:35,662 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:54:35,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:54:35,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:54:35,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:35,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:54:35,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:54:35,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:54:35,665 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:54:35,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:54:35,666 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:54:35,666 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:54:35,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:54:35,666 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_f0232ee2-3d27-49d9-af4c-eaa2e5cca45d/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0232ee2-3d27-49d9-af4c-eaa2e5cca45d/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37988a2d341c7c9f3fcf434d412d9132bef9023d4105c08959698de2759206e2 [2023-11-12 00:54:35,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:54:36,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:54:36,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:54:36,015 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:54:36,016 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:54:36,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0232ee2-3d27-49d9-af4c-eaa2e5cca45d/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2023-11-12 00:54:39,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:54:39,771 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:54:39,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0232ee2-3d27-49d9-af4c-eaa2e5cca45d/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2023-11-12 00:54:39,780 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0232ee2-3d27-49d9-af4c-eaa2e5cca45d/bin/utaipan-verify-NcY6lQBIFX/data/4bdaa1fe8/39c35b76b04145438aff88dba5beb72c/FLAGddecab820 [2023-11-12 00:54:39,796 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0232ee2-3d27-49d9-af4c-eaa2e5cca45d/bin/utaipan-verify-NcY6lQBIFX/data/4bdaa1fe8/39c35b76b04145438aff88dba5beb72c [2023-11-12 00:54:39,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:54:39,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:54:39,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:39,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:54:39,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:54:39,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:39" (1/1) ... [2023-11-12 00:54:39,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@816b647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:39, skipping insertion in model container [2023-11-12 00:54:39,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:39" (1/1) ... [2023-11-12 00:54:39,858 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:54:40,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:40,071 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:54:40,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:40,124 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:54:40,124 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:54:40,133 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:54:40,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:40 WrapperNode [2023-11-12 00:54:40,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:40,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:40,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:54:40,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:54:40,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:40" (1/1) ... [2023-11-12 00:54:40,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:40" (1/1) ... [2023-11-12 00:54:40,196 INFO L138 Inliner]: procedures = 25, calls = 59, calls flagged for inlining = 17, calls inlined = 29, statements flattened = 387 [2023-11-12 00:54:40,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:40,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:54:40,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:54:40,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:54:40,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:40" (1/1) ... [2023-11-12 00:54:40,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:40" (1/1) ... [2023-11-12 00:54:40,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:40" (1/1) ... [2023-11-12 00:54:40,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:40" (1/1) ... [2023-11-12 00:54:40,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:40" (1/1) ... [2023-11-12 00:54:40,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:40" (1/1) ... [2023-11-12 00:54:40,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:40" (1/1) ... [2023-11-12 00:54:40,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:40" (1/1) ... [2023-11-12 00:54:40,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:54:40,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:54:40,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:54:40,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:54:40,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:40" (1/1) ... [2023-11-12 00:54:40,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:40,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0232ee2-3d27-49d9-af4c-eaa2e5cca45d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:40,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0232ee2-3d27-49d9-af4c-eaa2e5cca45d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:54:40,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0232ee2-3d27-49d9-af4c-eaa2e5cca45d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:54:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:54:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:54:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:54:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:54:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:54:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:54:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:54:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:54:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:54:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:54:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:54:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:54:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:54:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:54:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:54:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:54:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:54:40,388 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:54:40,579 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:54:40,582 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:54:41,409 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:54:43,833 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:54:43,834 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-12 00:54:43,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:43 BoogieIcfgContainer [2023-11-12 00:54:43,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:54:43,840 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:54:43,840 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:54:43,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:54:43,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:54:39" (1/3) ... [2023-11-12 00:54:43,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57dcac01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:43, skipping insertion in model container [2023-11-12 00:54:43,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:40" (2/3) ... [2023-11-12 00:54:43,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57dcac01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:43, skipping insertion in model container [2023-11-12 00:54:43,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:43" (3/3) ... [2023-11-12 00:54:43,847 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2023-11-12 00:54:43,857 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 00:54:43,870 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:54:43,870 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2023-11-12 00:54:43,870 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 00:54:44,456 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-12 00:54:44,504 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 00:54:44,523 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 256 places, 262 transitions, 545 flow [2023-11-12 00:54:44,526 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 256 places, 262 transitions, 545 flow [2023-11-12 00:54:44,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 256 places, 262 transitions, 545 flow [2023-11-12 00:54:44,753 INFO L124 PetriNetUnfolderBase]: 16/259 cut-off events. [2023-11-12 00:54:44,754 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 00:54:44,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 259 events. 16/259 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 454 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 200. Up to 2 conditions per place. [2023-11-12 00:54:44,776 INFO L119 LiptonReduction]: Number of co-enabled transitions 7134