./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6696a2-db78-4e5c-80c6-2c208f2d1852/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6696a2-db78-4e5c-80c6-2c208f2d1852/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6696a2-db78-4e5c-80c6-2c208f2d1852/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6696a2-db78-4e5c-80c6-2c208f2d1852/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6696a2-db78-4e5c-80c6-2c208f2d1852/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6696a2-db78-4e5c-80c6-2c208f2d1852/bin/uautomizer-verify-jihMAELWvX --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 aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:02:49,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:02:50,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6696a2-db78-4e5c-80c6-2c208f2d1852/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:02:50,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:02:50,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:02:50,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:02:50,069 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:02:50,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:02:50,071 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:02:50,072 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:02:50,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:02:50,073 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:02:50,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:02:50,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:02:50,075 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:02:50,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:02:50,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:02:50,076 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:02:50,077 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:02:50,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:02:50,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:02:50,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:02:50,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:02:50,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:02:50,085 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:02:50,085 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:02:50,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:02:50,086 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:02:50,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:02:50,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:02:50,087 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:02:50,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:02:50,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:02:50,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:02:50,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:02:50,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:02:50,091 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:02:50,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:02:50,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:02:50,092 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:02:50,093 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:02:50,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:02:50,093 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_6a6696a2-db78-4e5c-80c6-2c208f2d1852/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6696a2-db78-4e5c-80c6-2c208f2d1852/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 [2024-11-08 17:02:50,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:02:50,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:02:50,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:02:50,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:02:50,436 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:02:50,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6696a2-db78-4e5c-80c6-2c208f2d1852/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c Unable to find full path for "g++" [2024-11-08 17:02:52,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:02:52,681 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:02:52,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6696a2-db78-4e5c-80c6-2c208f2d1852/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2024-11-08 17:02:52,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6696a2-db78-4e5c-80c6-2c208f2d1852/bin/uautomizer-verify-jihMAELWvX/data/f719024ef/d318d8cd502c460aafd57f3a5ead898f/FLAG0b5b7d560 [2024-11-08 17:02:52,705 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6696a2-db78-4e5c-80c6-2c208f2d1852/bin/uautomizer-verify-jihMAELWvX/data/f719024ef/d318d8cd502c460aafd57f3a5ead898f [2024-11-08 17:02:52,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:02:52,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:02:52,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:02:52,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:02:52,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:02:52,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:02:52" (1/1) ... [2024-11-08 17:02:52,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b883374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:52, skipping insertion in model container [2024-11-08 17:02:52,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:02:52" (1/1) ... [2024-11-08 17:02:52,753 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:02:52,986 WARN L250 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_6a6696a2-db78-4e5c-80c6-2c208f2d1852/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c[4303,4316] [2024-11-08 17:02:53,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:02:53,021 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:02:53,065 WARN L250 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_6a6696a2-db78-4e5c-80c6-2c208f2d1852/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c[4303,4316] [2024-11-08 17:02:53,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:02:53,090 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:02:53,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:53 WrapperNode [2024-11-08 17:02:53,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:02:53,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:02:53,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:02:53,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:02:53,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:53" (1/1) ... [2024-11-08 17:02:53,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:53" (1/1) ... [2024-11-08 17:02:53,154 INFO L138 Inliner]: procedures = 28, calls = 58, calls flagged for inlining = 22, calls inlined = 32, statements flattened = 372 [2024-11-08 17:02:53,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:02:53,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:02:53,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:02:53,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:02:53,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:53" (1/1) ... [2024-11-08 17:02:53,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:53" (1/1) ... [2024-11-08 17:02:53,172 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:53" (1/1) ... [2024-11-08 17:02:53,196 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]. [2024-11-08 17:02:53,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:53" (1/1) ... [2024-11-08 17:02:53,196 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:53" (1/1) ... [2024-11-08 17:02:53,208 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:53" (1/1) ... [2024-11-08 17:02:53,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:53" (1/1) ... [2024-11-08 17:02:53,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:53" (1/1) ... [2024-11-08 17:02:53,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:53" (1/1) ... [2024-11-08 17:02:53,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:02:53,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:02:53,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:02:53,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:02:53,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:53" (1/1) ... [2024-11-08 17:02:53,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:02:53,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6696a2-db78-4e5c-80c6-2c208f2d1852/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:53,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6696a2-db78-4e5c-80c6-2c208f2d1852/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:02:53,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6696a2-db78-4e5c-80c6-2c208f2d1852/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:02:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:02:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 17:02:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 17:02:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 17:02:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 17:02:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 17:02:53,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 17:02:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 17:02:53,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 17:02:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 17:02:53,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 17:02:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-08 17:02:53,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-08 17:02:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:02:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 17:02:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-08 17:02:53,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-08 17:02:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-11-08 17:02:53,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-11-08 17:02:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 17:02:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 17:02:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 17:02:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:02:53,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:02:53,312 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 17:02:53,457 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:02:53,460 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:02:54,142 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 17:02:54,142 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:02:54,741 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:02:54,742 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-08 17:02:54,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:02:54 BoogieIcfgContainer [2024-11-08 17:02:54,743 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:02:54,746 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:02:54,747 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:02:54,750 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:02:54,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:02:52" (1/3) ... [2024-11-08 17:02:54,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c609c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:02:54, skipping insertion in model container [2024-11-08 17:02:54,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:53" (2/3) ... [2024-11-08 17:02:54,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c609c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:02:54, skipping insertion in model container [2024-11-08 17:02:54,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:02:54" (3/3) ... [2024-11-08 17:02:54,755 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2024-11-08 17:02:54,775 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:02:54,776 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:02:54,776 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 17:02:54,897 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-11-08 17:02:54,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 87 transitions, 240 flow [2024-11-08 17:02:55,043 INFO L124 PetriNetUnfolderBase]: 14/71 cut-off events. [2024-11-08 17:02:55,044 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-08 17:02:55,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 71 events. 14/71 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 159 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 77. Up to 3 conditions per place. [2024-11-08 17:02:55,050 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 87 transitions, 240 flow [2024-11-08 17:02:55,054 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 75 places, 70 transitions, 188 flow [2024-11-08 17:02:55,064 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:02:55,071 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;@36ca8f06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:02:55,071 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-08 17:02:55,094 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 17:02:55,094 INFO L124 PetriNetUnfolderBase]: 14/69 cut-off events. [2024-11-08 17:02:55,094 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-08 17:02:55,094 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:02:55,095 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] [2024-11-08 17:02:55,096 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-08 17:02:55,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:02:55,102 INFO L85 PathProgramCache]: Analyzing trace with hash -308199288, now seen corresponding path program 1 times [2024-11-08 17:02:55,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:02:55,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336497493] [2024-11-08 17:02:55,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:02:55,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:02:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:55,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:02:55,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:02:55,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336497493] [2024-11-08 17:02:55,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336497493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:02:55,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:02:55,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:02:55,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453983916] [2024-11-08 17:02:55,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:02:55,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:02:55,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:02:55,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:02:55,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:02:55,456 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 91 [2024-11-08 17:02:55,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 70 transitions, 188 flow. Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 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) [2024-11-08 17:02:55,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:02:55,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 91 [2024-11-08 17:02:55,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:03:10,650 INFO L124 PetriNetUnfolderBase]: 135042/166674 cut-off events. [2024-11-08 17:03:10,650 INFO L125 PetriNetUnfolderBase]: For 14707/14707 co-relation queries the response was YES. [2024-11-08 17:03:10,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349621 conditions, 166674 events. 135042/166674 cut-off events. For 14707/14707 co-relation queries the response was YES. Maximal size of possible extension queue 4260. Compared 843055 event pairs, 115423 based on Foata normal form. 0/146872 useless extension candidates. Maximal degree in co-relation 348585. Up to 166532 conditions per place. [2024-11-08 17:03:11,691 INFO L140 encePairwiseOnDemand]: 87/91 looper letters, 58 selfloop transitions, 0 changer transitions 0/66 dead transitions. [2024-11-08 17:03:11,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 66 transitions, 296 flow [2024-11-08 17:03:11,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:03:11,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-08 17:03:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 90 transitions. [2024-11-08 17:03:11,703 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4945054945054945 [2024-11-08 17:03:11,705 INFO L175 Difference]: Start difference. First operand has 75 places, 70 transitions, 188 flow. Second operand 2 states and 90 transitions. [2024-11-08 17:03:11,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 66 transitions, 296 flow [2024-11-08 17:03:12,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 66 transitions, 264 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-11-08 17:03:12,164 INFO L231 Difference]: Finished difference. Result has 64 places, 66 transitions, 148 flow [2024-11-08 17:03:12,166 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=148, PETRI_PLACES=64, PETRI_TRANSITIONS=66} [2024-11-08 17:03:12,170 INFO L277 CegarLoopForPetriNet]: 75 programPoint places, -11 predicate places. [2024-11-08 17:03:12,170 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 66 transitions, 148 flow [2024-11-08 17:03:12,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 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) [2024-11-08 17:03:12,171 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:03:12,171 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, 1] [2024-11-08 17:03:12,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:03:12,172 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-08 17:03:12,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:03:12,173 INFO L85 PathProgramCache]: Analyzing trace with hash 868270201, now seen corresponding path program 1 times [2024-11-08 17:03:12,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:03:12,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925235847] [2024-11-08 17:03:12,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:03:12,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:03:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:03:12,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:03:12,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:03:12,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925235847] [2024-11-08 17:03:12,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925235847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:03:12,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:03:12,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:03:12,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712816314] [2024-11-08 17:03:12,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:03:12,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:03:12,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:03:12,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:03:12,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:03:12,753 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 91 [2024-11-08 17:03:12,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 66 transitions, 148 flow. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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) [2024-11-08 17:03:12,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:03:12,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 91 [2024-11-08 17:03:12,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:03:29,057 INFO L124 PetriNetUnfolderBase]: 202394/251189 cut-off events. [2024-11-08 17:03:29,057 INFO L125 PetriNetUnfolderBase]: For 5262/5262 co-relation queries the response was YES. [2024-11-08 17:03:29,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 508860 conditions, 251189 events. 202394/251189 cut-off events. For 5262/5262 co-relation queries the response was YES. Maximal size of possible extension queue 6270. Compared 1353579 event pairs, 175958 based on Foata normal form. 6024/224934 useless extension candidates. Maximal degree in co-relation 508857. Up to 166534 conditions per place. [2024-11-08 17:03:29,817 INFO L140 encePairwiseOnDemand]: 83/91 looper letters, 59 selfloop transitions, 2 changer transitions 48/115 dead transitions. [2024-11-08 17:03:29,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 115 transitions, 478 flow [2024-11-08 17:03:29,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:03:29,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 17:03:29,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 172 transitions. [2024-11-08 17:03:29,820 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.378021978021978 [2024-11-08 17:03:29,820 INFO L175 Difference]: Start difference. First operand has 64 places, 66 transitions, 148 flow. Second operand 5 states and 172 transitions. [2024-11-08 17:03:29,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 115 transitions, 478 flow [2024-11-08 17:03:29,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 115 transitions, 478 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 17:03:29,828 INFO L231 Difference]: Finished difference. Result has 71 places, 67 transitions, 170 flow [2024-11-08 17:03:29,828 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=170, PETRI_PLACES=71, PETRI_TRANSITIONS=67} [2024-11-08 17:03:29,829 INFO L277 CegarLoopForPetriNet]: 75 programPoint places, -4 predicate places. [2024-11-08 17:03:29,830 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 67 transitions, 170 flow [2024-11-08 17:03:29,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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) [2024-11-08 17:03:29,830 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:03:29,831 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, 1, 1, 1] [2024-11-08 17:03:29,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:03:29,831 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-08 17:03:29,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:03:29,832 INFO L85 PathProgramCache]: Analyzing trace with hash -443327039, now seen corresponding path program 1 times [2024-11-08 17:03:29,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:03:29,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89944488] [2024-11-08 17:03:29,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:03:29,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:03:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:03:30,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 17:03:30,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:03:30,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89944488] [2024-11-08 17:03:30,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89944488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:03:30,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:03:30,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:03:30,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652015911] [2024-11-08 17:03:30,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:03:30,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:03:30,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:03:30,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:03:30,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:03:30,200 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 91 [2024-11-08 17:03:30,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 67 transitions, 170 flow. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 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) [2024-11-08 17:03:30,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:03:30,201 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 91 [2024-11-08 17:03:30,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand