./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_24e24fcd-cb12-4342-969f-0efcbe338d62/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e24fcd-cb12-4342-969f-0efcbe338d62/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e24fcd-cb12-4342-969f-0efcbe338d62/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e24fcd-cb12-4342-969f-0efcbe338d62/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e24fcd-cb12-4342-969f-0efcbe338d62/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e24fcd-cb12-4342-969f-0efcbe338d62/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:02:08,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:02:08,456 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e24fcd-cb12-4342-969f-0efcbe338d62/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:02:08,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:02:08,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:02:08,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:02:08,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:02:08,496 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:02:08,497 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:02:08,498 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:02:08,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:02:08,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:02:08,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:02:08,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:02:08,501 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:02:08,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:02:08,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:02:08,502 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:02:08,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:02:08,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:02:08,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:02:08,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:02:08,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:02:08,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:02:08,506 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:02:08,506 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:02:08,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:02:08,507 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:02:08,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:02:08,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:02:08,508 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:02:08,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:02:08,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:02:08,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:02:08,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:02:08,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:02:08,510 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:02:08,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:02:08,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:02:08,512 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:02:08,512 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:02:08,513 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:02:08,513 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e24fcd-cb12-4342-969f-0efcbe338d62/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e24fcd-cb12-4342-969f-0efcbe338d62/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c [2024-10-31 22:02:08,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:02:08,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:02:08,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:02:08,845 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:02:08,846 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:02:08,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e24fcd-cb12-4342-969f-0efcbe338d62/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c Unable to find full path for "g++" [2024-10-31 22:02:11,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:02:11,301 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:02:11,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e24fcd-cb12-4342-969f-0efcbe338d62/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2024-10-31 22:02:11,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e24fcd-cb12-4342-969f-0efcbe338d62/bin/uautomizer-verify-4GaUIPS5ZU/data/2765bfa88/50880809c14b41aca823e1b98102fd39/FLAGc135c8afc [2024-10-31 22:02:11,632 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e24fcd-cb12-4342-969f-0efcbe338d62/bin/uautomizer-verify-4GaUIPS5ZU/data/2765bfa88/50880809c14b41aca823e1b98102fd39 [2024-10-31 22:02:11,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:02:11,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:02:11,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:02:11,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:02:11,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:02:11,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:02:11" (1/1) ... [2024-10-31 22:02:11,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76def46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:11, skipping insertion in model container [2024-10-31 22:02:11,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:02:11" (1/1) ... [2024-10-31 22:02:11,689 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:02:11,926 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e24fcd-cb12-4342-969f-0efcbe338d62/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2024-10-31 22:02:11,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:02:11,957 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:02:11,992 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e24fcd-cb12-4342-969f-0efcbe338d62/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2024-10-31 22:02:11,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:02:12,021 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:02:12,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:12 WrapperNode [2024-10-31 22:02:12,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:02:12,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:02:12,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:02:12,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:02:12,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:12" (1/1) ... [2024-10-31 22:02:12,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:12" (1/1) ... [2024-10-31 22:02:12,101 INFO L138 Inliner]: procedures = 28, calls = 65, calls flagged for inlining = 21, calls inlined = 27, statements flattened = 299 [2024-10-31 22:02:12,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:02:12,103 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:02:12,103 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:02:12,103 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:02:12,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:12" (1/1) ... [2024-10-31 22:02:12,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:12" (1/1) ... [2024-10-31 22:02:12,123 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:12" (1/1) ... [2024-10-31 22:02:12,149 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-10-31 22:02:12,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:12" (1/1) ... [2024-10-31 22:02:12,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:12" (1/1) ... [2024-10-31 22:02:12,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:12" (1/1) ... [2024-10-31 22:02:12,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:12" (1/1) ... [2024-10-31 22:02:12,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:12" (1/1) ... [2024-10-31 22:02:12,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:12" (1/1) ... [2024-10-31 22:02:12,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:02:12,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:02:12,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:02:12,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:02:12,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:12" (1/1) ... [2024-10-31 22:02:12,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:02:12,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e24fcd-cb12-4342-969f-0efcbe338d62/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:12,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e24fcd-cb12-4342-969f-0efcbe338d62/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:12,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e24fcd-cb12-4342-969f-0efcbe338d62/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:02:12,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:02:12,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:02:12,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:02:12,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:02:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:02:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 22:02:12,290 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 22:02:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 22:02:12,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 22:02:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-31 22:02:12,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-31 22:02:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-31 22:02:12,292 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-31 22:02:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:02:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:02:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-10-31 22:02:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-10-31 22:02:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-10-31 22:02:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-10-31 22:02:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:02:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:02:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:02:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:02:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:02:12,299 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:02:12,453 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:02:12,456 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:02:13,204 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:02:13,204 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:02:13,684 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:02:13,685 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-31 22:02:13,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:13 BoogieIcfgContainer [2024-10-31 22:02:13,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:02:13,688 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:02:13,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:02:13,693 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:02:13,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:02:11" (1/3) ... [2024-10-31 22:02:13,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d6f1525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:02:13, skipping insertion in model container [2024-10-31 22:02:13,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:12" (2/3) ... [2024-10-31 22:02:13,696 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d6f1525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:02:13, skipping insertion in model container [2024-10-31 22:02:13,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:13" (3/3) ... [2024-10-31 22:02:13,697 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2024-10-31 22:02:13,722 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:02:13,725 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:02:13,726 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:02:13,876 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-10-31 22:02:13,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 90 places, 84 transitions, 234 flow [2024-10-31 22:02:14,001 INFO L124 PetriNetUnfolderBase]: 13/72 cut-off events. [2024-10-31 22:02:14,001 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-31 22:02:14,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 72 events. 13/72 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 171 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 81. Up to 3 conditions per place. [2024-10-31 22:02:14,013 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 84 transitions, 234 flow [2024-10-31 22:02:14,018 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 71 transitions, 190 flow [2024-10-31 22:02:14,033 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:02:14,045 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7666cdc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:02:14,045 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-10-31 22:02:14,086 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:02:14,089 INFO L124 PetriNetUnfolderBase]: 13/70 cut-off events. [2024-10-31 22:02:14,090 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-31 22:02:14,090 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:14,091 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:14,091 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-10-31 22:02:14,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:14,098 INFO L85 PathProgramCache]: Analyzing trace with hash 542926991, now seen corresponding path program 1 times [2024-10-31 22:02:14,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:14,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087869629] [2024-10-31 22:02:14,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:14,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:14,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:14,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:14,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087869629] [2024-10-31 22:02:14,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087869629] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:14,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:14,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:14,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430503231] [2024-10-31 22:02:14,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:14,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:02:14,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:14,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:02:14,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:02:14,527 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 88 [2024-10-31 22:02:14,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 71 transitions, 190 flow. Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:14,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:14,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 88 [2024-10-31 22:02:14,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:41,171 INFO L124 PetriNetUnfolderBase]: 217151/267558 cut-off events. [2024-10-31 22:02:41,172 INFO L125 PetriNetUnfolderBase]: For 19427/19427 co-relation queries the response was YES.