./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_c007ff2c-b92e-4cb9-80bf-69c2781653d0/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c007ff2c-b92e-4cb9-80bf-69c2781653d0/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c007ff2c-b92e-4cb9-80bf-69c2781653d0/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c007ff2c-b92e-4cb9-80bf-69c2781653d0/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c007ff2c-b92e-4cb9-80bf-69c2781653d0/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c007ff2c-b92e-4cb9-80bf-69c2781653d0/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e310cbbcaa6ee1bb3c2e05a2a5fb7cb2ddde366fa4283fb7922170dd08986ab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:04:08,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:04:09,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c007ff2c-b92e-4cb9-80bf-69c2781653d0/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-12 02:04:09,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:04:09,065 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:04:09,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:04:09,112 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:04:09,112 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:04:09,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:04:09,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:04:09,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:04:09,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:04:09,120 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:04:09,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:04:09,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:04:09,123 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:04:09,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:04:09,123 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:04:09,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:04:09,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:04:09,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:04:09,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:04:09,126 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:04:09,126 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:04:09,127 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:04:09,127 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:04:09,128 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:04:09,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:04:09,129 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:04:09,129 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:04:09,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:09,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:04:09,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:04:09,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:04:09,133 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:04:09,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:04:09,134 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:04:09,134 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:04:09,134 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:04:09,134 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:04:09,134 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:04:09,137 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_c007ff2c-b92e-4cb9-80bf-69c2781653d0/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c007ff2c-b92e-4cb9-80bf-69c2781653d0/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e310cbbcaa6ee1bb3c2e05a2a5fb7cb2ddde366fa4283fb7922170dd08986ab [2023-11-12 02:04:09,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:04:09,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:04:09,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:04:09,529 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:04:09,529 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:04:09,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c007ff2c-b92e-4cb9-80bf-69c2781653d0/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2023-11-12 02:04:12,747 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:04:12,950 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:04:12,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c007ff2c-b92e-4cb9-80bf-69c2781653d0/sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2023-11-12 02:04:12,960 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c007ff2c-b92e-4cb9-80bf-69c2781653d0/bin/uautomizer-verify-uTZkv6EMXl/data/e1bdc4480/2b36647208ec4036ae81bbf64bdc7329/FLAGfa9a89b0e [2023-11-12 02:04:12,978 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c007ff2c-b92e-4cb9-80bf-69c2781653d0/bin/uautomizer-verify-uTZkv6EMXl/data/e1bdc4480/2b36647208ec4036ae81bbf64bdc7329 [2023-11-12 02:04:12,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:04:12,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:04:12,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:12,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:04:12,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:04:12,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:12" (1/1) ... [2023-11-12 02:04:12,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac5a929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:12, skipping insertion in model container [2023-11-12 02:04:12,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:12" (1/1) ... [2023-11-12 02:04:13,024 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:04:13,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:13,247 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:04:13,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:13,288 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:04:13,289 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:04:13,298 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:04:13,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:13 WrapperNode [2023-11-12 02:04:13,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:13,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:13,301 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:04:13,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:04:13,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:13" (1/1) ... [2023-11-12 02:04:13,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:13" (1/1) ... [2023-11-12 02:04:13,389 INFO L138 Inliner]: procedures = 23, calls = 46, calls flagged for inlining = 18, calls inlined = 40, statements flattened = 533 [2023-11-12 02:04:13,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:13,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:04:13,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:04:13,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:04:13,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:13" (1/1) ... [2023-11-12 02:04:13,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:13" (1/1) ... [2023-11-12 02:04:13,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:13" (1/1) ... [2023-11-12 02:04:13,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:13" (1/1) ... [2023-11-12 02:04:13,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:13" (1/1) ... [2023-11-12 02:04:13,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:13" (1/1) ... [2023-11-12 02:04:13,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:13" (1/1) ... [2023-11-12 02:04:13,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:13" (1/1) ... [2023-11-12 02:04:13,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:04:13,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:04:13,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:04:13,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:04:13,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:13" (1/1) ... [2023-11-12 02:04:13,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:13,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c007ff2c-b92e-4cb9-80bf-69c2781653d0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:13,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c007ff2c-b92e-4cb9-80bf-69c2781653d0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:04:13,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c007ff2c-b92e-4cb9-80bf-69c2781653d0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:04:13,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:04:13,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 02:04:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 02:04:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 02:04:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 02:04:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 02:04:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 02:04:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:04:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:04:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:04:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:04:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:04:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:04:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:04:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:04:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:04:13,599 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:04:13,776 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:04:13,779 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:04:14,916 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:04:21,044 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:04:21,044 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:04:21,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:21 BoogieIcfgContainer [2023-11-12 02:04:21,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:04:21,052 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:04:21,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:04:21,056 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:04:21,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:04:12" (1/3) ... [2023-11-12 02:04:21,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b3a21c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:21, skipping insertion in model container [2023-11-12 02:04:21,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:13" (2/3) ... [2023-11-12 02:04:21,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b3a21c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:21, skipping insertion in model container [2023-11-12 02:04:21,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:21" (3/3) ... [2023-11-12 02:04:21,065 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-collitem-trans.wvr.c [2023-11-12 02:04:21,076 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:04:21,087 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:04:21,088 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2023-11-12 02:04:21,088 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:04:22,768 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-12 02:04:22,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 219 places, 210 transitions, 441 flow [2023-11-12 02:04:23,100 INFO L124 PetriNetUnfolderBase]: 1/207 cut-off events. [2023-11-12 02:04:23,101 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 02:04:23,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 207 events. 1/207 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 508 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2023-11-12 02:04:23,105 INFO L82 GeneralOperation]: Start removeDead. Operand has 219 places, 210 transitions, 441 flow [2023-11-12 02:04:23,114 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 193 places, 183 transitions, 381 flow [2023-11-12 02:04:23,117 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:04:23,127 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 193 places, 183 transitions, 381 flow [2023-11-12 02:04:23,130 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 193 places, 183 transitions, 381 flow [2023-11-12 02:04:23,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 183 transitions, 381 flow [2023-11-12 02:04:23,466 INFO L124 PetriNetUnfolderBase]: 0/183 cut-off events. [2023-11-12 02:04:23,466 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 02:04:23,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 183 events. 0/183 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 511 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-12 02:04:23,471 INFO L119 LiptonReduction]: Number of co-enabled transitions 6720