./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array7_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-patterns/array7_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB --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 85b55cdd1f26353e63ecc189ba28ba899672edc569fe3ef3f04470f2b5e667fa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:43:52,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:43:52,292 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:43:52,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:43:52,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:43:52,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:43:52,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:43:52,331 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:43:52,331 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:43:52,331 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:43:52,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:43:52,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:43:52,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:43:52,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:43:52,332 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:43:52,333 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:43:52,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:43:52,333 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:43:52,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:43:52,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:43:52,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:43:52,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:43:52,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:43:52,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:43:52,334 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:43:52,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:43:52,334 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:43:52,335 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:43:52,335 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:43:52,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:43:52,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:43:52,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:43:52,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:43:52,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:43:52,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:43:52,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:43:52,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:43:52,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:43:52,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:43:52,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:43:52,337 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:43:52,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:43:52,337 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:43:52,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:43:52,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:43:52,338 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:43:52,338 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:43:52,338 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:43:52,338 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 85b55cdd1f26353e63ecc189ba28ba899672edc569fe3ef3f04470f2b5e667fa [2024-11-28 04:43:52,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:43:52,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:43:52,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:43:52,718 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:43:52,718 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:43:52,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/array-patterns/array7_pattern.c [2024-11-28 04:43:56,153 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/data/470fe8437/ea9b4c5abae64f669aacac21ccf95a06/FLAGdf49c4b45 [2024-11-28 04:43:56,494 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:43:56,496 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/sv-benchmarks/c/array-patterns/array7_pattern.c [2024-11-28 04:43:56,506 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/data/470fe8437/ea9b4c5abae64f669aacac21ccf95a06/FLAGdf49c4b45 [2024-11-28 04:43:56,736 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/data/470fe8437/ea9b4c5abae64f669aacac21ccf95a06 [2024-11-28 04:43:56,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:43:56,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:43:56,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:43:56,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:43:56,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:43:56,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:56" (1/1) ... [2024-11-28 04:43:56,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2450e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:56, skipping insertion in model container [2024-11-28 04:43:56,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:56" (1/1) ... [2024-11-28 04:43:56,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:43:56,946 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/sv-benchmarks/c/array-patterns/array7_pattern.c[1375,1388] [2024-11-28 04:43:56,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:43:56,992 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:43:57,003 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/sv-benchmarks/c/array-patterns/array7_pattern.c[1375,1388] [2024-11-28 04:43:57,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:43:57,030 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:43:57,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57 WrapperNode [2024-11-28 04:43:57,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:43:57,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:43:57,032 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:43:57,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:43:57,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ... [2024-11-28 04:43:57,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ... [2024-11-28 04:43:57,078 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2024-11-28 04:43:57,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:43:57,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:43:57,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:43:57,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:43:57,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ... [2024-11-28 04:43:57,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ... [2024-11-28 04:43:57,094 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ... [2024-11-28 04:43:57,117 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 4 writes are split as follows [0, 2, 2]. [2024-11-28 04:43:57,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ... [2024-11-28 04:43:57,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ... [2024-11-28 04:43:57,127 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ... [2024-11-28 04:43:57,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ... [2024-11-28 04:43:57,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ... [2024-11-28 04:43:57,133 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ... [2024-11-28 04:43:57,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ... [2024-11-28 04:43:57,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:43:57,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:43:57,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:43:57,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:43:57,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ... [2024-11-28 04:43:57,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:43:57,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:57,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:43:57,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:43:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:43:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:43:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:43:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:43:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:43:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:43:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:43:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:43:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:43:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:43:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:43:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:43:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:43:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:43:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:43:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:43:57,322 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:43:57,325 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:43:57,542 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-28 04:43:57,542 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:43:57,552 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:43:57,553 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 04:43:57,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:57 BoogieIcfgContainer [2024-11-28 04:43:57,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:43:57,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:43:57,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:43:57,561 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:43:57,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:43:56" (1/3) ... [2024-11-28 04:43:57,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bde1c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:43:57, skipping insertion in model container [2024-11-28 04:43:57,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (2/3) ... [2024-11-28 04:43:57,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bde1c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:43:57, skipping insertion in model container [2024-11-28 04:43:57,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:57" (3/3) ... [2024-11-28 04:43:57,564 INFO L128 eAbstractionObserver]: Analyzing ICFG array7_pattern.c [2024-11-28 04:43:57,578 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:43:57,579 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG array7_pattern.c that has 2 procedures, 26 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-28 04:43:57,635 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:43:57,648 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4e56204a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:43:57,648 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:43:57,652 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 04:43:57,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 04:43:57,658 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:57,659 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:57,659 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:43:57,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:57,665 INFO L85 PathProgramCache]: Analyzing trace with hash 459959838, now seen corresponding path program 1 times [2024-11-28 04:43:57,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:57,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061136430] [2024-11-28 04:43:57,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:57,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:57,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:43:57,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:57,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061136430] [2024-11-28 04:43:57,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061136430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:57,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:57,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:57,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214898690] [2024-11-28 04:43:57,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:57,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:43:57,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:57,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:43:57,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:43:57,849 INFO L87 Difference]: Start difference. First operand has 26 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:43:57,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:57,873 INFO L93 Difference]: Finished difference Result 49 states and 71 transitions. [2024-11-28 04:43:57,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:43:57,875 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-28 04:43:57,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:57,882 INFO L225 Difference]: With dead ends: 49 [2024-11-28 04:43:57,883 INFO L226 Difference]: Without dead ends: 22 [2024-11-28 04:43:57,886 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:43:57,890 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:57,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:43:57,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-28 04:43:57,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-28 04:43:57,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 04:43:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2024-11-28 04:43:57,929 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15 [2024-11-28 04:43:57,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:57,930 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2024-11-28 04:43:57,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:43:57,932 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-11-28 04:43:57,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-28 04:43:57,934 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:57,934 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:57,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:43:57,935 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:43:57,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:57,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1728336547, now seen corresponding path program 1 times [2024-11-28 04:43:57,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:57,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181633263] [2024-11-28 04:43:57,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:57,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:58,333 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:43:58,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:58,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181633263] [2024-11-28 04:43:58,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181633263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:58,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:58,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:43:58,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849214772] [2024-11-28 04:43:58,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:58,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:43:58,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:58,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:43:58,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:43:58,336 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:43:58,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:58,378 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2024-11-28 04:43:58,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:43:58,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2024-11-28 04:43:58,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:58,380 INFO L225 Difference]: With dead ends: 28 [2024-11-28 04:43:58,380 INFO L226 Difference]: Without dead ends: 24 [2024-11-28 04:43:58,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:43:58,382 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 4 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:58,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 59 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:43:58,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-28 04:43:58,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2024-11-28 04:43:58,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 04:43:58,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2024-11-28 04:43:58,395 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 27 [2024-11-28 04:43:58,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:58,398 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-11-28 04:43:58,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:43:58,398 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-28 04:43:58,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-28 04:43:58,399 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:58,400 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:58,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:43:58,401 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:43:58,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:58,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1282145209, now seen corresponding path program 1 times [2024-11-28 04:43:58,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:58,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837119950] [2024-11-28 04:43:58,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:58,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:58,650 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:43:58,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:58,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837119950] [2024-11-28 04:43:58,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837119950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:58,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:58,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:43:58,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227987619] [2024-11-28 04:43:58,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:58,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:43:58,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:58,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:43:58,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:43:58,652 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:43:58,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:58,733 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2024-11-28 04:43:58,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:43:58,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2024-11-28 04:43:58,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:58,736 INFO L225 Difference]: With dead ends: 43 [2024-11-28 04:43:58,737 INFO L226 Difference]: Without dead ends: 26 [2024-11-28 04:43:58,737 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:43:58,738 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 8 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:58,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 56 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:43:58,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-28 04:43:58,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2024-11-28 04:43:58,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 04:43:58,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2024-11-28 04:43:58,752 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 29 [2024-11-28 04:43:58,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:58,753 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2024-11-28 04:43:58,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:43:58,753 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-28 04:43:58,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-28 04:43:58,755 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:58,755 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:58,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:43:58,756 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:43:58,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:58,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1695575043, now seen corresponding path program 1 times [2024-11-28 04:43:58,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:58,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557518172] [2024-11-28 04:43:58,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:58,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:59,365 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-28 04:43:59,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:59,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557518172] [2024-11-28 04:43:59,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557518172] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:43:59,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164851778] [2024-11-28 04:43:59,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:59,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:59,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:59,370 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:43:59,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:43:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:59,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 04:43:59,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:43:59,700 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-28 04:43:59,700 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:44:00,094 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:44:00,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164851778] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:44:00,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:44:00,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 10] total 19 [2024-11-28 04:44:00,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184736297] [2024-11-28 04:44:00,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:44:00,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 04:44:00,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:00,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 04:44:00,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:44:00,096 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 19 states, 15 states have (on average 2.6) internal successors, (39), 16 states have internal predecessors, (39), 7 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 04:44:00,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:00,377 INFO L93 Difference]: Finished difference Result 73 states and 83 transitions. [2024-11-28 04:44:00,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:44:00,378 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 2.6) internal successors, (39), 16 states have internal predecessors, (39), 7 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) Word has length 31 [2024-11-28 04:44:00,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:00,379 INFO L225 Difference]: With dead ends: 73 [2024-11-28 04:44:00,380 INFO L226 Difference]: Without dead ends: 42 [2024-11-28 04:44:00,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:44:00,381 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 19 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:44:00,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 108 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:44:00,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-28 04:44:00,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 28. [2024-11-28 04:44:00,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 04:44:00,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2024-11-28 04:44:00,393 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 31 [2024-11-28 04:44:00,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:00,394 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2024-11-28 04:44:00,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 2.6) internal successors, (39), 16 states have internal predecessors, (39), 7 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 04:44:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2024-11-28 04:44:00,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-28 04:44:00,395 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:00,395 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:44:00,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:44:00,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-28 04:44:00,595 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:00,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:00,596 INFO L85 PathProgramCache]: Analyzing trace with hash -228852101, now seen corresponding path program 2 times [2024-11-28 04:44:00,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:00,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894000849] [2024-11-28 04:44:00,596 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:44:00,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:00,649 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:44:00,649 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:44:00,860 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:44:00,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:00,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894000849] [2024-11-28 04:44:00,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894000849] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:44:00,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850122537] [2024-11-28 04:44:00,861 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:44:00,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:00,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:00,865 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:00,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:44:00,976 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:44:00,976 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:44:00,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:44:00,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:01,095 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:44:01,095 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:44:01,221 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:44:01,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850122537] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:44:01,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:44:01,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-11-28 04:44:01,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190872849] [2024-11-28 04:44:01,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:44:01,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:44:01,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:01,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:44:01,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:44:01,223 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 04:44:01,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:01,467 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2024-11-28 04:44:01,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:44:01,468 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 35 [2024-11-28 04:44:01,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:01,469 INFO L225 Difference]: With dead ends: 40 [2024-11-28 04:44:01,469 INFO L226 Difference]: Without dead ends: 36 [2024-11-28 04:44:01,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 61 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:44:01,470 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 26 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:44:01,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 140 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:44:01,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-28 04:44:01,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-28 04:44:01,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.1) internal successors, (33), 30 states have internal predecessors, (33), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 04:44:01,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2024-11-28 04:44:01,480 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 35 [2024-11-28 04:44:01,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:01,480 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2024-11-28 04:44:01,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 04:44:01,480 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2024-11-28 04:44:01,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-28 04:44:01,481 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:01,482 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:44:01,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:44:01,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:01,686 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:01,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:01,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1737761597, now seen corresponding path program 3 times [2024-11-28 04:44:01,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:01,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417526869] [2024-11-28 04:44:01,687 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:44:01,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:01,835 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-28 04:44:01,835 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 04:44:01,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1646026270] [2024-11-28 04:44:01,838 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:44:01,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:01,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:01,841 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:01,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0f7dbd-d9a4-4611-8560-00827deb336c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:44:02,103 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-28 04:44:02,103 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:44:02,107 WARN L254 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-11-28 04:44:02,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:02,238 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 11 treesize of output 7 [2024-11-28 04:44:02,255 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 11 treesize of output 7 [2024-11-28 04:44:02,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2024-11-28 04:44:02,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-28 04:44:02,615 INFO L349 Elim1Store]: treesize reduction 36, result has 29.4 percent of original size [2024-11-28 04:44:02,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2024-11-28 04:44:02,661 INFO L349 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2024-11-28 04:44:02,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 30 [2024-11-28 04:44:05,883 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2024-11-28 04:44:05,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 697 treesize of output 630 [2024-11-28 04:44:06,708 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2024-11-28 04:44:06,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 526 treesize of output 475 [2024-11-28 04:44:07,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:07,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:07,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:07,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:07,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:07,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:07,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:07,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:07,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:07,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:07,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:07,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:07,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:07,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:07,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:07,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:07,378 INFO L349 Elim1Store]: treesize reduction 142, result has 0.7 percent of original size [2024-11-28 04:44:07,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 8 stores, 7 select indices, 7 select index equivalence classes, 32 disjoint index pairs (out of 21 index pairs), introduced 15 new quantified variables, introduced 7 case distinctions, treesize of input 433 treesize of output 1571 [2024-11-28 04:44:12,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:12,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:12,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:12,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:12,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:12,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:12,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:12,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:12,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:12,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:12,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:12,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:12,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:12,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:12,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:13,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:13,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:13,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:13,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:13,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:13,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:13,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:13,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:13,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:13,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:13,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:13,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:13,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:44:13,430 INFO L224 Elim1Store]: Index analysis took 735 ms [2024-11-28 04:44:13,705 INFO L349 Elim1Store]: treesize reduction 203, result has 0.5 percent of original size [2024-11-28 04:44:13,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 12 stores, 8 select indices, 8 select index equivalence classes, 40 disjoint index pairs (out of 28 index pairs), introduced 20 new quantified variables, introduced 10 case distinctions, treesize of input 999 treesize of output 3379 [2024-11-28 04:46:50,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:50,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:50,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:50,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:50,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:50,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:50,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:50,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:50,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:50,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:50,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:50,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:51,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:51,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:51,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:51,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:51,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:51,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:51,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:46:51,711 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:46:51,868 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:46:52,294 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:46:52,343 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:46:52,820 INFO L224 Elim1Store]: Index analysis took 1967 ms [2024-11-28 04:46:55,415 INFO L349 Elim1Store]: treesize reduction 626, result has 0.2 percent of original size [2024-11-28 04:46:55,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 16 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 1799 treesize of output 4296 [2024-11-28 04:47:21,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 403 treesize of output 367 [2024-11-28 04:47:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:21,563 INFO L224 Elim1Store]: Index analysis took 203 ms [2024-11-28 04:47:22,271 INFO L349 Elim1Store]: treesize reduction 178, result has 22.3 percent of original size [2024-11-28 04:47:22,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 9 select indices, 9 select index equivalence classes, 37 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 12 case distinctions, treesize of input 243 treesize of output 370 [2024-11-28 04:47:22,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:22,472 INFO L224 Elim1Store]: Index analysis took 137 ms [2024-11-28 04:47:22,904 INFO L349 Elim1Store]: treesize reduction 8, result has 93.4 percent of original size [2024-11-28 04:47:22,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 37 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 8 case distinctions, treesize of input 263 treesize of output 241 [2024-11-28 04:47:22,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 316 treesize of output 274 [2024-11-28 04:47:22,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:47:23,171 INFO L224 Elim1Store]: Index analysis took 152 ms [2024-11-28 04:47:23,504 INFO L349 Elim1Store]: treesize reduction 8, result has 91.2 percent of original size [2024-11-28 04:47:23,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 193 treesize of output 188 [2024-11-28 04:47:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:47:30,264 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:48:31,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 138 [2024-11-28 04:48:31,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 134 [2024-11-28 04:48:31,591 INFO L349 Elim1Store]: treesize reduction 9, result has 30.8 percent of original size [2024-11-28 04:48:31,591 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 3274 treesize of output 3158 [2024-11-28 04:48:31,690 INFO L349 Elim1Store]: treesize reduction 9, result has 30.8 percent of original size [2024-11-28 04:48:31,691 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 8502 treesize of output 7669 [2024-11-28 04:48:32,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 263 [2024-11-28 04:48:32,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 263 treesize of output 255 [2024-11-28 04:48:32,467 INFO L349 Elim1Store]: treesize reduction 17, result has 19.0 percent of original size [2024-11-28 04:48:32,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2879 treesize of output 2791 [2024-11-28 04:48:32,715 INFO L349 Elim1Store]: treesize reduction 17, result has 19.0 percent of original size [2024-11-28 04:48:32,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 6818 treesize of output 6300 [2024-11-28 04:48:34,671 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 04:48:34,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:48:34,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417526869] [2024-11-28 04:48:34,672 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:48:34,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646026270] [2024-11-28 04:48:34,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646026270] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:48:34,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:48:34,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 21] total 43 [2024-11-28 04:48:34,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746345028] [2024-11-28 04:48:34,673 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:48:34,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-28 04:48:34,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:48:34,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-28 04:48:34,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=1566, Unknown=2, NotChecked=0, Total=1806 [2024-11-28 04:48:34,676 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 43 states, 39 states have (on average 1.4615384615384615) internal successors, (57), 37 states have internal predecessors, (57), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-28 04:48:46,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:49:22,077 WARN L286 SmtUtils]: Spent 13.51s on a formula simplification. DAG size of input: 253 DAG size of output: 243 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:49:26,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:49:30,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:49:34,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:49:38,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:50:16,569 WARN L286 SmtUtils]: Spent 12.97s on a formula simplification. DAG size of input: 253 DAG size of output: 243 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:50:20,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:50:24,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:50:28,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:50:32,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:50:36,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:50:40,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:50:44,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:50:47,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:50:48,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:50:52,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:50:56,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:51:00,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:51:31,405 WARN L286 SmtUtils]: Spent 5.92s on a formula simplification. DAG size of input: 224 DAG size of output: 200 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:51:35,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:51:39,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:51:41,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:51:45,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:51:50,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:51:51,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:51:56,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.93s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:52:00,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:52:27,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:52:31,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:52:35,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:52:40,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:52:42,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:52:46,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:52:50,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:52:55,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:52:59,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:53:04,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.79s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:53:08,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:53:12,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:53:16,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:53:20,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:53:24,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:53:27,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:53:31,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:54:03,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:54:05,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:54:09,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:54:13,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:54:17,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:54:52,462 WARN L286 SmtUtils]: Spent 6.46s on a formula simplification. DAG size of input: 224 DAG size of output: 196 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:54:56,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:54:57,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:55:02,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:55:06,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:55:11,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:55:12,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:55:17,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:55:19,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:55:23,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:55:25,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:55:29,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:55:32,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:55:36,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:55:40,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:55:44,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:55:48,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:55:50,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:55:54,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:55:58,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:56:02,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:56:06,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:56:10,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:56:12,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:56:16,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:56:50,493 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 403 DAG size of output: 353 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:56:57,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:57:02,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:57:06,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:57:10,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2024-11-28 04:57:30,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-28 04:57:32,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-28 04:57:36,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-28 04:57:56,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-28 04:58:00,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-28 04:58:04,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-28 04:58:09,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-28 04:58:31,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-28 04:58:36,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-28 04:58:40,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-28 04:58:45,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-28 04:58:52,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-28 04:58:54,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-28 04:58:58,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-28 04:58:59,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1]