./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a340643f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a340643-m [2024-01-27 15:52:05,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 15:52:05,102 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 15:52:05,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 15:52:05,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 15:52:05,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 15:52:05,144 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 15:52:05,145 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 15:52:05,146 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 15:52:05,150 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 15:52:05,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 15:52:05,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 15:52:05,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 15:52:05,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 15:52:05,153 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 15:52:05,153 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 15:52:05,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 15:52:05,154 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 15:52:05,154 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 15:52:05,154 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 15:52:05,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 15:52:05,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 15:52:05,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 15:52:05,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 15:52:05,156 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 15:52:05,156 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 15:52:05,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 15:52:05,156 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 15:52:05,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 15:52:05,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 15:52:05,158 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 15:52:05,158 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 15:52:05,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 15:52:05,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 15:52:05,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 15:52:05,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 15:52:05,160 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 15:52:05,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 15:52:05,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 15:52:05,160 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 15:52:05,160 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 15:52:05,161 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 15:52:05,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 15:52:05,161 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 [2024-01-27 15:52:05,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 15:52:05,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 15:52:05,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 15:52:05,458 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 15:52:05,458 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 15:52:05,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-01-27 15:52:06,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 15:52:06,818 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 15:52:06,820 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-01-27 15:52:06,836 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ca16cce9/b4e2a7bae08f4cf68c0fa9abb4b54bb9/FLAGd39fd76e6 [2024-01-27 15:52:06,852 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ca16cce9/b4e2a7bae08f4cf68c0fa9abb4b54bb9 [2024-01-27 15:52:06,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 15:52:06,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-01-27 15:52:06,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 15:52:06,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 15:52:06,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 15:52:06,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:52:06" (1/1) ... [2024-01-27 15:52:06,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@172165f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:52:06, skipping insertion in model container [2024-01-27 15:52:06,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:52:06" (1/1) ... [2024-01-27 15:52:06,902 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 15:52:07,199 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c[4059,4072] [2024-01-27 15:52:07,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 15:52:07,226 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 15:52:07,264 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c[4059,4072] [2024-01-27 15:52:07,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 15:52:07,293 INFO L206 MainTranslator]: Completed translation [2024-01-27 15:52:07,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:52:07 WrapperNode [2024-01-27 15:52:07,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 15:52:07,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 15:52:07,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 15:52:07,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 15:52:07,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:52:07" (1/1) ... [2024-01-27 15:52:07,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:52:07" (1/1) ... [2024-01-27 15:52:07,347 INFO L138 Inliner]: procedures = 26, calls = 73, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 279 [2024-01-27 15:52:07,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 15:52:07,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 15:52:07,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 15:52:07,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 15:52:07,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:52:07" (1/1) ... [2024-01-27 15:52:07,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:52:07" (1/1) ... [2024-01-27 15:52:07,363 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:52:07" (1/1) ... [2024-01-27 15:52:07,383 INFO L175 MemorySlicer]: Split 16 memory accesses to 6 slices as follows [2, 2, 6, 2, 2, 2]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 6 writes are split as follows [0, 1, 2, 1, 1, 1]. [2024-01-27 15:52:07,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:52:07" (1/1) ... [2024-01-27 15:52:07,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:52:07" (1/1) ... [2024-01-27 15:52:07,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:52:07" (1/1) ... [2024-01-27 15:52:07,397 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:52:07" (1/1) ... [2024-01-27 15:52:07,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:52:07" (1/1) ... [2024-01-27 15:52:07,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:52:07" (1/1) ... [2024-01-27 15:52:07,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 15:52:07,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 15:52:07,413 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 15:52:07,413 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 15:52:07,414 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:52:07" (1/1) ... [2024-01-27 15:52:07,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 15:52:07,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 15:52:07,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-27 15:52:07,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-27 15:52:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 15:52:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 15:52:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 15:52:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 15:52:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 15:52:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 15:52:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-27 15:52:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-27 15:52:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 15:52:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 15:52:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 15:52:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 15:52:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-27 15:52:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-27 15:52:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 15:52:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 15:52:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 15:52:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 15:52:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-27 15:52:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-27 15:52:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-27 15:52:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-27 15:52:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 15:52:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 15:52:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 15:52:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 15:52:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-27 15:52:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-27 15:52:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 15:52:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 15:52:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-27 15:52:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 15:52:07,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 15:52:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 15:52:07,495 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 15:52:07,608 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 15:52:07,610 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 15:52:07,921 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 15:52:07,921 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 15:52:08,269 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 15:52:08,269 INFO L320 CfgBuilder]: Removed 5 assume(true) statements. [2024-01-27 15:52:08,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:52:08 BoogieIcfgContainer [2024-01-27 15:52:08,270 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 15:52:08,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 15:52:08,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 15:52:08,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 15:52:08,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 03:52:06" (1/3) ... [2024-01-27 15:52:08,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e80580e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:52:08, skipping insertion in model container [2024-01-27 15:52:08,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:52:07" (2/3) ... [2024-01-27 15:52:08,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e80580e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:52:08, skipping insertion in model container [2024-01-27 15:52:08,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:52:08" (3/3) ... [2024-01-27 15:52:08,280 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2024-01-27 15:52:08,288 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-27 15:52:08,297 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 15:52:08,297 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-27 15:52:08,297 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 15:52:08,366 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-27 15:52:08,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 54 transitions, 136 flow [2024-01-27 15:52:08,445 INFO L124 PetriNetUnfolderBase]: 6/50 cut-off events. [2024-01-27 15:52:08,445 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-27 15:52:08,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 50 events. 6/50 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 88 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2024-01-27 15:52:08,452 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 54 transitions, 136 flow [2024-01-27 15:52:08,455 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 49 transitions, 122 flow [2024-01-27 15:52:08,472 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 15:52:08,480 INFO L357 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, mHoare=true, 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;@5b14f93f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 15:52:08,480 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-01-27 15:52:08,506 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 15:52:08,506 INFO L124 PetriNetUnfolderBase]: 6/48 cut-off events. [2024-01-27 15:52:08,506 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-27 15:52:08,506 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 15:52:08,507 INFO L208 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] [2024-01-27 15:52:08,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-01-27 15:52:08,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 15:52:08,513 INFO L85 PathProgramCache]: Analyzing trace with hash -8721804, now seen corresponding path program 1 times [2024-01-27 15:52:08,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 15:52:08,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762261970] [2024-01-27 15:52:08,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 15:52:08,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 15:52:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 15:52:09,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 15:52:09,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 15:52:09,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762261970] [2024-01-27 15:52:09,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762261970] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 15:52:09,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 15:52:09,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-01-27 15:52:09,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312892115] [2024-01-27 15:52:09,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 15:52:09,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-27 15:52:09,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 15:52:09,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-27 15:52:09,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-01-27 15:52:09,417 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 54 [2024-01-27 15:52:09,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 49 transitions, 122 flow. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 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) [2024-01-27 15:52:09,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 15:52:09,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 54 [2024-01-27 15:52:09,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 15:52:10,695 INFO L124 PetriNetUnfolderBase]: 6959/10354 cut-off events. [2024-01-27 15:52:10,695 INFO L125 PetriNetUnfolderBase]: For 606/606 co-relation queries the response was YES. [2024-01-27 15:52:10,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20237 conditions, 10354 events. 6959/10354 cut-off events. For 606/606 co-relation queries the response was YES. Maximal size of possible extension queue 507. Compared 64649 event pairs, 975 based on Foata normal form. 404/10676 useless extension candidates. Maximal degree in co-relation 17544. Up to 2390 conditions per place. [2024-01-27 15:52:10,761 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 114 selfloop transitions, 9 changer transitions 0/134 dead transitions. [2024-01-27 15:52:10,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 134 transitions, 565 flow [2024-01-27 15:52:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-27 15:52:10,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-01-27 15:52:10,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 246 transitions. [2024-01-27 15:52:10,776 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5694444444444444 [2024-01-27 15:52:10,777 INFO L175 Difference]: Start difference. First operand has 56 places, 49 transitions, 122 flow. Second operand 8 states and 246 transitions. [2024-01-27 15:52:10,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 134 transitions, 565 flow [2024-01-27 15:52:10,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 134 transitions, 531 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-01-27 15:52:10,797 INFO L231 Difference]: Finished difference. Result has 60 places, 56 transitions, 169 flow [2024-01-27 15:52:10,799 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=169, PETRI_PLACES=60, PETRI_TRANSITIONS=56} [2024-01-27 15:52:10,802 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, 4 predicate places. [2024-01-27 15:52:10,802 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 56 transitions, 169 flow [2024-01-27 15:52:10,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 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) [2024-01-27 15:52:10,803 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 15:52:10,803 INFO L208 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] [2024-01-27 15:52:10,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 15:52:10,803 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-01-27 15:52:10,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 15:52:10,804 INFO L85 PathProgramCache]: Analyzing trace with hash 350073185, now seen corresponding path program 1 times [2024-01-27 15:52:10,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 15:52:10,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714794921] [2024-01-27 15:52:10,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 15:52:10,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 15:52:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 15:52:10,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 15:52:10,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 15:52:10,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714794921] [2024-01-27 15:52:10,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714794921] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 15:52:10,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 15:52:10,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 15:52:10,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866412986] [2024-01-27 15:52:10,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 15:52:10,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 15:52:10,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 15:52:10,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 15:52:10,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 15:52:10,892 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 54 [2024-01-27 15:52:10,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 56 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2024-01-27 15:52:10,892 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 15:52:10,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 54 [2024-01-27 15:52:10,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 15:52:11,449 INFO L124 PetriNetUnfolderBase]: 3267/5324 cut-off events. [2024-01-27 15:52:11,449 INFO L125 PetriNetUnfolderBase]: For 1175/1358 co-relation queries the response was YES. [2024-01-27 15:52:11,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10907 conditions, 5324 events. 3267/5324 cut-off events. For 1175/1358 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 33207 event pairs, 1197 based on Foata normal form. 213/5252 useless extension candidates. Maximal degree in co-relation 7802. Up to 3186 conditions per place. [2024-01-27 15:52:11,481 INFO L140 encePairwiseOnDemand]: 51/54 looper letters, 49 selfloop transitions, 2 changer transitions 0/69 dead transitions. [2024-01-27 15:52:11,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 69 transitions, 287 flow [2024-01-27 15:52:11,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 15:52:11,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 15:52:11,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 109 transitions. [2024-01-27 15:52:11,488 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6728395061728395 [2024-01-27 15:52:11,488 INFO L175 Difference]: Start difference. First operand has 60 places, 56 transitions, 169 flow. Second operand 3 states and 109 transitions. [2024-01-27 15:52:11,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 69 transitions, 287 flow [2024-01-27 15:52:11,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 69 transitions, 275 flow, removed 2 selfloop flow, removed 5 redundant places. [2024-01-27 15:52:11,494 INFO L231 Difference]: Finished difference. Result has 57 places, 53 transitions, 148 flow [2024-01-27 15:52:11,494 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=57, PETRI_TRANSITIONS=53} [2024-01-27 15:52:11,495 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, 1 predicate places. [2024-01-27 15:52:11,499 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 53 transitions, 148 flow [2024-01-27 15:52:11,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2024-01-27 15:52:11,500 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 15:52:11,500 INFO L208 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] [2024-01-27 15:52:11,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 15:52:11,500 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-01-27 15:52:11,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 15:52:11,501 INFO L85 PathProgramCache]: Analyzing trace with hash 584663432, now seen corresponding path program 1 times [2024-01-27 15:52:11,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 15:52:11,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683580525] [2024-01-27 15:52:11,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 15:52:11,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 15:52:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 15:52:11,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-27 15:52:11,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 15:52:11,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683580525] [2024-01-27 15:52:11,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683580525] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 15:52:11,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 15:52:11,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 15:52:11,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652870616] [2024-01-27 15:52:11,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 15:52:11,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 15:52:11,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 15:52:11,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 15:52:11,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 15:52:11,585 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 54 [2024-01-27 15:52:11,585 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 53 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2024-01-27 15:52:11,585 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 15:52:11,585 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 54 [2024-01-27 15:52:11,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 15:52:12,043 INFO L124 PetriNetUnfolderBase]: 3133/5115 cut-off events. [2024-01-27 15:52:12,043 INFO L125 PetriNetUnfolderBase]: For 1303/1561 co-relation queries the response was YES. [2024-01-27 15:52:12,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10886 conditions, 5115 events. 3133/5115 cut-off events. For 1303/1561 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 29807 event pairs, 1359 based on Foata normal form. 292/5160 useless extension candidates. Maximal degree in co-relation 5156. Up to 3601 conditions per place. [2024-01-27 15:52:12,072 INFO L140 encePairwiseOnDemand]: 51/54 looper letters, 45 selfloop transitions, 2 changer transitions 4/69 dead transitions. [2024-01-27 15:52:12,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 69 transitions, 286 flow [2024-01-27 15:52:12,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 15:52:12,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 15:52:12,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 108 transitions. [2024-01-27 15:52:12,075 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-01-27 15:52:12,075 INFO L175 Difference]: Start difference. First operand has 57 places, 53 transitions, 148 flow. Second operand 3 states and 108 transitions. [2024-01-27 15:52:12,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 69 transitions, 286 flow [2024-01-27 15:52:12,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 69 transitions, 284 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 15:52:12,081 INFO L231 Difference]: Finished difference. Result has 59 places, 54 transitions, 158 flow [2024-01-27 15:52:12,081 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=59, PETRI_TRANSITIONS=54} [2024-01-27 15:52:12,082 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, 3 predicate places. [2024-01-27 15:52:12,082 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 54 transitions, 158 flow [2024-01-27 15:52:12,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2024-01-27 15:52:12,082 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 15:52:12,083 INFO L208 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] [2024-01-27 15:52:12,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 15:52:12,083 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-01-27 15:52:12,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 15:52:12,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1249541989, now seen corresponding path program 1 times [2024-01-27 15:52:12,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 15:52:12,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39247391] [2024-01-27 15:52:12,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 15:52:12,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 15:52:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 15:52:12,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-27 15:52:12,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 15:52:12,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39247391] [2024-01-27 15:52:12,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39247391] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 15:52:12,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 15:52:12,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 15:52:12,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079154166] [2024-01-27 15:52:12,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 15:52:12,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 15:52:12,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 15:52:12,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 15:52:12,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 15:52:12,309 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 54 [2024-01-27 15:52:12,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 54 transitions, 158 flow. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 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) [2024-01-27 15:52:12,309 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 15:52:12,309 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 54 [2024-01-27 15:52:12,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 15:52:12,927 INFO L124 PetriNetUnfolderBase]: 3476/5836 cut-off events. [2024-01-27 15:52:12,927 INFO L125 PetriNetUnfolderBase]: For 2299/2686 co-relation queries the response was YES. [2024-01-27 15:52:12,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12928 conditions, 5836 events. 3476/5836 cut-off events. For 2299/2686 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 35324 event pairs, 2792 based on Foata normal form. 352/5879 useless extension candidates. Maximal degree in co-relation 10306. Up to 4137 conditions per place. [2024-01-27 15:52:12,952 INFO L140 encePairwiseOnDemand]: 48/54 looper letters, 35 selfloop transitions, 2 changer transitions 22/77 dead transitions. [2024-01-27 15:52:12,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 77 transitions, 327 flow [2024-01-27 15:52:12,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-27 15:52:12,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-27 15:52:12,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 153 transitions. [2024-01-27 15:52:12,954 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5666666666666667 [2024-01-27 15:52:12,954 INFO L175 Difference]: Start difference. First operand has 59 places, 54 transitions, 158 flow. Second operand 5 states and 153 transitions. [2024-01-27 15:52:12,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 77 transitions, 327 flow [2024-01-27 15:52:12,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 77 transitions, 325 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 15:52:12,957 INFO L231 Difference]: Finished difference. Result has 65 places, 55 transitions, 174 flow [2024-01-27 15:52:12,958 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=174, PETRI_PLACES=65, PETRI_TRANSITIONS=55} [2024-01-27 15:52:12,958 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, 9 predicate places. [2024-01-27 15:52:12,959 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 55 transitions, 174 flow [2024-01-27 15:52:12,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 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) [2024-01-27 15:52:12,959 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 15:52:12,959 INFO L208 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] [2024-01-27 15:52:12,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-27 15:52:12,960 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-01-27 15:52:12,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 15:52:12,960 INFO L85 PathProgramCache]: Analyzing trace with hash -989891200, now seen corresponding path program 1 times [2024-01-27 15:52:12,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 15:52:12,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88661429] [2024-01-27 15:52:12,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 15:52:12,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 15:52:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 15:52:13,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-01-27 15:52:13,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 15:52:13,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88661429] [2024-01-27 15:52:13,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88661429] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 15:52:13,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 15:52:13,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-27 15:52:13,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565995917] [2024-01-27 15:52:13,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 15:52:13,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 15:52:13,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 15:52:13,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 15:52:13,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 15:52:13,082 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 54 [2024-01-27 15:52:13,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 55 transitions, 174 flow. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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) [2024-01-27 15:52:13,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 15:52:13,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 54 [2024-01-27 15:52:13,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 15:52:13,744 INFO L124 PetriNetUnfolderBase]: 4160/6961 cut-off events. [2024-01-27 15:52:13,744 INFO L125 PetriNetUnfolderBase]: For 2914/3413 co-relation queries the response was YES. [2024-01-27 15:52:13,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15333 conditions, 6961 events. 4160/6961 cut-off events. For 2914/3413 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 44289 event pairs, 3390 based on Foata normal form. 513/7079 useless extension candidates. Maximal degree in co-relation 15313. Up to 4138 conditions per place. [2024-01-27 15:52:13,775 INFO L140 encePairwiseOnDemand]: 50/54 looper letters, 36 selfloop transitions, 2 changer transitions 22/78 dead transitions. [2024-01-27 15:52:13,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 78 transitions, 357 flow [2024-01-27 15:52:13,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 15:52:13,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 15:52:13,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 133 transitions. [2024-01-27 15:52:13,778 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6157407407407407 [2024-01-27 15:52:13,778 INFO L175 Difference]: Start difference. First operand has 65 places, 55 transitions, 174 flow. Second operand 4 states and 133 transitions. [2024-01-27 15:52:13,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 78 transitions, 357 flow [2024-01-27 15:52:13,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 78 transitions, 341 flow, removed 7 selfloop flow, removed 3 redundant places. [2024-01-27 15:52:13,784 INFO L231 Difference]: Finished difference. Result has 65 places, 56 transitions, 178 flow [2024-01-27 15:52:13,785 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=178, PETRI_PLACES=65, PETRI_TRANSITIONS=56} [2024-01-27 15:52:13,786 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, 9 predicate places. [2024-01-27 15:52:13,787 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 56 transitions, 178 flow [2024-01-27 15:52:13,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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) [2024-01-27 15:52:13,787 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 15:52:13,787 INFO L208 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] [2024-01-27 15:52:13,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-27 15:52:13,788 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-01-27 15:52:13,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 15:52:13,789 INFO L85 PathProgramCache]: Analyzing trace with hash 715736808, now seen corresponding path program 1 times [2024-01-27 15:52:13,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 15:52:13,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509737072] [2024-01-27 15:52:13,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 15:52:13,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 15:52:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 15:52:13,938 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-01-27 15:52:13,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 15:52:13,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509737072] [2024-01-27 15:52:13,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509737072] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-27 15:52:13,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589000766] [2024-01-27 15:52:13,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 15:52:13,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-27 15:52:13,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 15:52:13,944 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-27 15:52:13,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-01-27 15:52:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 15:52:14,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 8 conjunts are in the unsatisfiable core [2024-01-27 15:52:14,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-27 15:52:14,178 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-01-27 15:52:14,179 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-27 15:52:14,299 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-27 15:52:14,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589000766] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-27 15:52:14,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-27 15:52:14,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 5] total 8 [2024-01-27 15:52:14,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874965846] [2024-01-27 15:52:14,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-27 15:52:14,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-01-27 15:52:14,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 15:52:14,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-01-27 15:52:14,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-01-27 15:52:14,337 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-01-27 15:52:14,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 56 transitions, 178 flow. Second operand has 8 states, 8 states have (on average 21.375) internal successors, (171), 8 states have internal predecessors, (171), 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) [2024-01-27 15:52:14,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 15:52:14,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-01-27 15:52:14,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 15:52:17,341 INFO L124 PetriNetUnfolderBase]: 24303/34345 cut-off events. [2024-01-27 15:52:17,341 INFO L125 PetriNetUnfolderBase]: For 15719/16979 co-relation queries the response was YES. [2024-01-27 15:52:17,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81161 conditions, 34345 events. 24303/34345 cut-off events. For 15719/16979 co-relation queries the response was YES. Maximal size of possible extension queue 1167. Compared 211159 event pairs, 1397 based on Foata normal form. 993/32660 useless extension candidates. Maximal degree in co-relation 81136. Up to 5041 conditions per place. [2024-01-27 15:52:17,535 INFO L140 encePairwiseOnDemand]: 43/54 looper letters, 187 selfloop transitions, 29 changer transitions 52/278 dead transitions. [2024-01-27 15:52:17,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 278 transitions, 1373 flow [2024-01-27 15:52:17,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-01-27 15:52:17,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-01-27 15:52:17,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 420 transitions. [2024-01-27 15:52:17,538 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2024-01-27 15:52:17,538 INFO L175 Difference]: Start difference. First operand has 65 places, 56 transitions, 178 flow. Second operand 14 states and 420 transitions. [2024-01-27 15:52:17,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 278 transitions, 1373 flow [2024-01-27 15:52:17,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 278 transitions, 1343 flow, removed 14 selfloop flow, removed 2 redundant places. [2024-01-27 15:52:17,550 INFO L231 Difference]: Finished difference. Result has 88 places, 83 transitions, 406 flow [2024-01-27 15:52:17,551 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=406, PETRI_PLACES=88, PETRI_TRANSITIONS=83} [2024-01-27 15:52:17,551 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, 32 predicate places. [2024-01-27 15:52:17,552 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 83 transitions, 406 flow [2024-01-27 15:52:17,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 8 states have internal predecessors, (171), 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) [2024-01-27 15:52:17,552 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 15:52:17,552 INFO L208 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] [2024-01-27 15:52:17,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-01-27 15:52:17,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-01-27 15:52:17,768 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-01-27 15:52:17,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 15:52:17,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1468354660, now seen corresponding path program 2 times [2024-01-27 15:52:17,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 15:52:17,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346057035] [2024-01-27 15:52:17,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 15:52:17,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 15:52:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 15:52:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 15:52:19,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 15:52:19,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346057035] [2024-01-27 15:52:19,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346057035] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-27 15:52:19,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837258532] [2024-01-27 15:52:19,908 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-27 15:52:19,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-27 15:52:19,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 15:52:19,912 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-27 15:52:19,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-01-27 15:52:20,056 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-27 15:52:20,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-27 15:52:20,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 56 conjunts are in the unsatisfiable core [2024-01-27 15:52:20,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-27 15:52:20,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2024-01-27 15:52:20,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:20,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:20,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:20,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:20,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:20,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:20,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2024-01-27 15:52:20,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2024-01-27 15:52:20,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2024-01-27 15:52:20,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2024-01-27 15:52:20,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2024-01-27 15:52:20,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2024-01-27 15:52:20,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2024-01-27 15:52:20,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2024-01-27 15:52:20,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:20,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:20,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:20,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:20,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2024-01-27 15:52:20,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:20,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:20,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:20,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:20,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:20,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:21,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:21,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:21,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:21,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2024-01-27 15:52:21,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:21,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:21,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:21,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:21,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:21,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:21,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:21,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:21,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:21,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:21,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:21,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:21,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2024-01-27 15:52:21,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:21,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:21,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:21,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:21,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:21,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:21,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-27 15:52:21,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-27 15:52:21,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-27 15:52:21,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-27 15:52:21,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-01-27 15:52:21,514 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-01-27 15:52:21,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-01-27 15:52:21,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-01-27 15:52:22,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-01-27 15:52:22,493 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 15:52:22,493 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-27 15:52:28,349 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-27 15:52:28,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 156 [2024-01-27 15:52:28,782 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 15:52:28,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837258532] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-27 15:52:28,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-27 15:52:28,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 46 [2024-01-27 15:52:28,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892207109] [2024-01-27 15:52:28,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-27 15:52:28,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-01-27 15:52:28,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 15:52:28,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-01-27 15:52:28,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=1917, Unknown=1, NotChecked=0, Total=2162 [2024-01-27 15:52:32,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-27 15:52:36,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-27 15:52:40,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-27 15:52:44,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-27 15:52:49,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-27 15:52:49,107 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 54 [2024-01-27 15:52:49,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 83 transitions, 406 flow. Second operand has 47 states, 47 states have (on average 9.53191489361702) internal successors, (448), 47 states have internal predecessors, (448), 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) [2024-01-27 15:52:49,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 15:52:49,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 54 [2024-01-27 15:52:49,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 15:53:44,133 INFO L124 PetriNetUnfolderBase]: 188215/255049 cut-off events. [2024-01-27 15:53:44,133 INFO L125 PetriNetUnfolderBase]: For 551388/551388 co-relation queries the response was YES. [2024-01-27 15:53:45,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 828686 conditions, 255049 events. 188215/255049 cut-off events. For 551388/551388 co-relation queries the response was YES. Maximal size of possible extension queue 6157. Compared 1706407 event pairs, 14388 based on Foata normal form. 4692/253192 useless extension candidates. Maximal degree in co-relation 643345. Up to 29119 conditions per place. [2024-01-27 15:53:45,673 INFO L140 encePairwiseOnDemand]: 32/54 looper letters, 1669 selfloop transitions, 480 changer transitions 488/2640 dead transitions. [2024-01-27 15:53:45,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 2640 transitions, 16842 flow [2024-01-27 15:53:45,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-01-27 15:53:45,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2024-01-27 15:53:45,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 3398 transitions. [2024-01-27 15:53:45,693 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3908442604094778 [2024-01-27 15:53:45,693 INFO L175 Difference]: Start difference. First operand has 88 places, 83 transitions, 406 flow. Second operand 161 states and 3398 transitions. [2024-01-27 15:53:45,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 2640 transitions, 16842 flow [2024-01-27 15:53:52,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 2640 transitions, 16842 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-27 15:53:52,437 INFO L231 Difference]: Finished difference. Result has 344 places, 585 transitions, 4913 flow [2024-01-27 15:53:52,437 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=161, PETRI_FLOW=4913, PETRI_PLACES=344, PETRI_TRANSITIONS=585} [2024-01-27 15:53:52,438 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, 288 predicate places. [2024-01-27 15:53:52,438 INFO L495 AbstractCegarLoop]: Abstraction has has 344 places, 585 transitions, 4913 flow [2024-01-27 15:53:52,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 9.53191489361702) internal successors, (448), 47 states have internal predecessors, (448), 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) [2024-01-27 15:53:52,439 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 15:53:52,439 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 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] [2024-01-27 15:53:52,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-01-27 15:53:52,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-01-27 15:53:52,653 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-01-27 15:53:52,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 15:53:52,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1723368667, now seen corresponding path program 3 times [2024-01-27 15:53:52,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 15:53:52,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775498755] [2024-01-27 15:53:52,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 15:53:52,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 15:53:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 15:53:55,203 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 15:53:55,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 15:53:55,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775498755] [2024-01-27 15:53:55,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775498755] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-27 15:53:55,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890003005] [2024-01-27 15:53:55,204 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-27 15:53:55,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-27 15:53:55,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 15:53:55,206 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-27 15:53:55,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-01-27 15:53:55,344 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-01-27 15:53:55,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-27 15:53:55,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 34 conjunts are in the unsatisfiable core [2024-01-27 15:53:55,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-27 15:53:56,007 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-27 15:53:56,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 30 [2024-01-27 15:53:56,138 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-27 15:53:56,139 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-27 15:53:56,610 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-27 15:53:56,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 111 [2024-01-27 15:53:57,302 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-01-27 15:53:57,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890003005] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-27 15:53:57,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-27 15:53:57,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 13] total 41 [2024-01-27 15:53:57,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911010402] [2024-01-27 15:53:57,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-27 15:53:57,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-01-27 15:53:57,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 15:53:57,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-01-27 15:53:57,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1557, Unknown=0, NotChecked=0, Total=1722 [2024-01-27 15:54:01,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-27 15:54:01,926 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 54 [2024-01-27 15:54:01,927 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 585 transitions, 4913 flow. Second operand has 42 states, 42 states have (on average 11.833333333333334) internal successors, (497), 42 states have internal predecessors, (497), 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) [2024-01-27 15:54:01,927 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 15:54:01,927 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 54 [2024-01-27 15:54:01,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand