./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array14_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_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/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_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-patterns/array14_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/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_19ce33f5-6e70-41e0-ac73-94d2b606431d/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 fb5421f37e280df661091852c6c5794976668e422c171ea258e23204ca1fbb05 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:33:02,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:33:02,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:33:02,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:33:02,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:33:02,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:33:02,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:33:02,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:33:02,551 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:33:02,551 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:33:02,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:33:02,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:33:02,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:33:02,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:33:02,552 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:33:02,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:33:02,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:33:02,552 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:33:02,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:33:02,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:33:02,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:33:02,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:33:02,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:33:02,553 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:33:02,553 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:33:02,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:33:02,553 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:33:02,553 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:33:02,553 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:33:02,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:33:02,554 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:33:02,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:33:02,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:33:02,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:33:02,556 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:33:02,556 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:33:02,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:33:02,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:33:02,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:33:02,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:33:02,556 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:33:02,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:33:02,556 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:33:02,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:33:02,557 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:33:02,557 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:33:02,557 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:33:02,557 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:33:02,557 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_19ce33f5-6e70-41e0-ac73-94d2b606431d/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 -> fb5421f37e280df661091852c6c5794976668e422c171ea258e23204ca1fbb05 [2024-11-28 04:33:02,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:33:02,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:33:02,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:33:02,870 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:33:02,870 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:33:02,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/array-patterns/array14_pattern.c [2024-11-28 04:33:06,019 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/data/507648c79/bffc50769e364da4ad335db23c95494b/FLAG5ade967a0 [2024-11-28 04:33:06,310 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:33:06,310 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/sv-benchmarks/c/array-patterns/array14_pattern.c [2024-11-28 04:33:06,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/data/507648c79/bffc50769e364da4ad335db23c95494b/FLAG5ade967a0 [2024-11-28 04:33:06,595 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/data/507648c79/bffc50769e364da4ad335db23c95494b [2024-11-28 04:33:06,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:33:06,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:33:06,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:33:06,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:33:06,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:33:06,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:06" (1/1) ... [2024-11-28 04:33:06,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca335e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:06, skipping insertion in model container [2024-11-28 04:33:06,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:06" (1/1) ... [2024-11-28 04:33:06,630 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:33:06,805 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_19ce33f5-6e70-41e0-ac73-94d2b606431d/sv-benchmarks/c/array-patterns/array14_pattern.c[1285,1298] [2024-11-28 04:33:06,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:33:06,851 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:33:06,862 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_19ce33f5-6e70-41e0-ac73-94d2b606431d/sv-benchmarks/c/array-patterns/array14_pattern.c[1285,1298] [2024-11-28 04:33:06,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:33:06,891 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:33:06,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:06 WrapperNode [2024-11-28 04:33:06,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:33:06,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:33:06,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:33:06,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:33:06,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:06" (1/1) ... [2024-11-28 04:33:06,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:06" (1/1) ... [2024-11-28 04:33:06,928 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2024-11-28 04:33:06,928 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:33:06,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:33:06,929 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:33:06,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:33:06,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:06" (1/1) ... [2024-11-28 04:33:06,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:06" (1/1) ... [2024-11-28 04:33:06,944 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:06" (1/1) ... [2024-11-28 04:33:06,957 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2024-11-28 04:33:06,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:06" (1/1) ... [2024-11-28 04:33:06,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:06" (1/1) ... [2024-11-28 04:33:06,963 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:06" (1/1) ... [2024-11-28 04:33:06,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:06" (1/1) ... [2024-11-28 04:33:06,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:06" (1/1) ... [2024-11-28 04:33:06,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:06" (1/1) ... [2024-11-28 04:33:06,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:06" (1/1) ... [2024-11-28 04:33:06,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:33:06,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:33:06,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:33:06,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:33:06,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:06" (1/1) ... [2024-11-28 04:33:06,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:33:06,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:33:07,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:33:07,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:33:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:33:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:33:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:33:07,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:33:07,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:33:07,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:33:07,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:33:07,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:33:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:33:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:33:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:33:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:33:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:33:07,122 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:33:07,125 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:33:07,331 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-28 04:33:07,332 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:33:07,342 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:33:07,342 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-28 04:33:07,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:07 BoogieIcfgContainer [2024-11-28 04:33:07,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:33:07,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:33:07,346 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:33:07,352 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:33:07,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:33:06" (1/3) ... [2024-11-28 04:33:07,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9e761b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:33:07, skipping insertion in model container [2024-11-28 04:33:07,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:06" (2/3) ... [2024-11-28 04:33:07,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9e761b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:33:07, skipping insertion in model container [2024-11-28 04:33:07,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:07" (3/3) ... [2024-11-28 04:33:07,355 INFO L128 eAbstractionObserver]: Analyzing ICFG array14_pattern.c [2024-11-28 04:33:07,373 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:33:07,375 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG array14_pattern.c that has 2 procedures, 33 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-11-28 04:33:07,433 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:33:07,448 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;@20a85a89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:33:07,448 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:33:07,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 28 states have internal predecessors, (42), 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 04:33:07,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 04:33:07,464 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:07,465 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:33:07,465 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:07,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:07,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1293951905, now seen corresponding path program 1 times [2024-11-28 04:33:07,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:07,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872361159] [2024-11-28 04:33:07,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:07,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:07,644 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 04:33:07,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:07,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872361159] [2024-11-28 04:33:07,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872361159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:07,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:07,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:33:07,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136280637] [2024-11-28 04:33:07,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:07,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:33:07,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:07,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:33:07,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:33:07,687 INFO L87 Difference]: Start difference. First operand has 33 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 28 states have internal predecessors, (42), 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 04:33:07,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:07,711 INFO L93 Difference]: Finished difference Result 63 states and 95 transitions. [2024-11-28 04:33:07,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:33:07,713 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 04:33:07,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:07,719 INFO L225 Difference]: With dead ends: 63 [2024-11-28 04:33:07,720 INFO L226 Difference]: Without dead ends: 29 [2024-11-28 04:33:07,724 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 04:33:07,727 INFO L435 NwaCegarLoop]: 40 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, 40 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 04:33:07,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:33:07,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-28 04:33:07,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-28 04:33:07,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.25) internal successors, (30), 24 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 04:33:07,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2024-11-28 04:33:07,774 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 15 [2024-11-28 04:33:07,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:07,774 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2024-11-28 04:33:07,774 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 04:33:07,775 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2024-11-28 04:33:07,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-28 04:33:07,778 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:07,778 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] [2024-11-28 04:33:07,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:33:07,779 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:07,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:07,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1944172108, now seen corresponding path program 1 times [2024-11-28 04:33:07,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:07,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171115519] [2024-11-28 04:33:07,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:07,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:08,546 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 04:33:08,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:08,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171115519] [2024-11-28 04:33:08,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171115519] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:33:08,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900877321] [2024-11-28 04:33:08,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:08,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:33:08,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:33:08,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:33:08,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:33:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:08,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:33:08,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:33:08,870 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:33:08,870 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:33:08,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900877321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:08,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:33:08,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-28 04:33:08,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708340050] [2024-11-28 04:33:08,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:08,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:33:08,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:08,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:33:08,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:33:08,876 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:33:09,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:09,088 INFO L93 Difference]: Finished difference Result 69 states and 83 transitions. [2024-11-28 04:33:09,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:33:09,090 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2024-11-28 04:33:09,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:09,091 INFO L225 Difference]: With dead ends: 69 [2024-11-28 04:33:09,091 INFO L226 Difference]: Without dead ends: 43 [2024-11-28 04:33:09,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:33:09,092 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 13 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:09,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 94 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:33:09,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-28 04:33:09,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 30. [2024-11-28 04:33:09,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 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 04:33:09,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2024-11-28 04:33:09,106 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 28 [2024-11-28 04:33:09,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:09,108 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2024-11-28 04:33:09,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:33:09,108 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-11-28 04:33:09,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-28 04:33:09,109 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:09,109 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, 1] [2024-11-28 04:33:09,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:33:09,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:33:09,313 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:09,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:09,314 INFO L85 PathProgramCache]: Analyzing trace with hash 693379390, now seen corresponding path program 1 times [2024-11-28 04:33:09,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:09,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19309586] [2024-11-28 04:33:09,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:09,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:09,453 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 04:33:09,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:09,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19309586] [2024-11-28 04:33:09,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19309586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:09,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:09,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:33:09,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480320536] [2024-11-28 04:33:09,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:09,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:33:09,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:09,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:33:09,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:33:09,457 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 04:33:09,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:09,537 INFO L93 Difference]: Finished difference Result 68 states and 86 transitions. [2024-11-28 04:33:09,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:33:09,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 32 [2024-11-28 04:33:09,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:09,539 INFO L225 Difference]: With dead ends: 68 [2024-11-28 04:33:09,539 INFO L226 Difference]: Without dead ends: 43 [2024-11-28 04:33:09,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:33:09,540 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 25 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:09,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 50 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:33:09,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-28 04:33:09,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 35. [2024-11-28 04:33:09,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 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 04:33:09,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2024-11-28 04:33:09,551 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 43 transitions. Word has length 32 [2024-11-28 04:33:09,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:09,551 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 43 transitions. [2024-11-28 04:33:09,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 04:33:09,551 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2024-11-28 04:33:09,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-28 04:33:09,552 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:09,552 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, 1, 1, 1] [2024-11-28 04:33:09,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:33:09,552 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:09,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:09,585 INFO L85 PathProgramCache]: Analyzing trace with hash 624205442, now seen corresponding path program 1 times [2024-11-28 04:33:09,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:09,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77022639] [2024-11-28 04:33:09,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:09,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:09,780 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-28 04:33:09,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:09,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77022639] [2024-11-28 04:33:09,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77022639] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:33:09,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683134446] [2024-11-28 04:33:09,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:09,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:33:09,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:33:09,784 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:33:09,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:33:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:09,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:33:09,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:33:09,996 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 04:33:09,996 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:33:10,116 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-28 04:33:10,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683134446] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:33:10,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:33:10,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-28 04:33:10,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897950282] [2024-11-28 04:33:10,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:33:10,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:33:10,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:10,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:33:10,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:33:10,118 INFO L87 Difference]: Start difference. First operand 35 states and 43 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 04:33:10,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:10,289 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2024-11-28 04:33:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:33:10,290 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 34 [2024-11-28 04:33:10,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:10,291 INFO L225 Difference]: With dead ends: 49 [2024-11-28 04:33:10,291 INFO L226 Difference]: Without dead ends: 45 [2024-11-28 04:33:10,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 64 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:33:10,292 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 41 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:10,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 77 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:33:10,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-28 04:33:10,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2024-11-28 04:33:10,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 33 states have internal predecessors, (39), 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 04:33:10,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2024-11-28 04:33:10,309 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 34 [2024-11-28 04:33:10,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:10,310 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2024-11-28 04:33:10,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 04:33:10,310 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2024-11-28 04:33:10,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-28 04:33:10,311 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:10,311 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:33:10,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:33:10,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:33:10,512 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:10,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:10,513 INFO L85 PathProgramCache]: Analyzing trace with hash -855990800, now seen corresponding path program 1 times [2024-11-28 04:33:10,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:10,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102114579] [2024-11-28 04:33:10,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:10,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:33:10,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [927575081] [2024-11-28 04:33:10,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:10,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:33:10,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:33:10,560 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:33:10,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ce33f5-6e70-41e0-ac73-94d2b606431d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:33:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:10,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-28 04:33:10,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:33:10,925 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 04:33:11,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 149 treesize of output 131 [2024-11-28 04:33:11,924 INFO L349 Elim1Store]: treesize reduction 118, result has 22.9 percent of original size [2024-11-28 04:33:11,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 131 treesize of output 573 [2024-11-28 04:33:14,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:14,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:14,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:14,687 INFO L349 Elim1Store]: treesize reduction 29, result has 49.1 percent of original size [2024-11-28 04:33:14,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 111 treesize of output 97 [2024-11-28 04:33:15,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:15,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:15,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:15,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:15,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:15,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:15,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:15,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:15,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:15,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:15,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:15,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:18,901 INFO L349 Elim1Store]: treesize reduction 1485, result has 7.2 percent of original size [2024-11-28 04:33:18,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 7 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 619 treesize of output 2882 [2024-11-28 04:33:23,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:23,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:23,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:23,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:23,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:23,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:27,621 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~ARR_SIZE~0 1) [2024-11-28 04:33:27,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:28,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:28,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:33:32,518 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:33:32,967 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:33:33,064 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:33:33,134 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:33:43,876 INFO L224 Elim1Store]: Index analysis took 20518 ms [2024-11-28 04:33:43,877 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:33:43,880 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:33:43,882 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:33:43,886 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:33:43,891 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:33:43,894 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:33:44,221 INFO L349 Elim1Store]: treesize reduction 230, result has 0.4 percent of original size [2024-11-28 04:33:44,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 6 stores, 2 select indices, 2 select index equivalence classes, 14 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 12 case distinctions, treesize of input 466 treesize of output 1645 [2024-11-28 04:34:16,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:34:16,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:34:17,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:34:17,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:34:17,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:34:17,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:34:17,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:34:17,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:34:17,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:34:17,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:34:17,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:34:17,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:34:17,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:34:17,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:34:17,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:34:17,543 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:34:17,762 INFO L224 Elim1Store]: Index analysis took 691 ms [2024-11-28 04:34:17,782 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:34:17,789 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:37:52,044 WARN L286 SmtUtils]: Spent 3.57m on a formula simplification. DAG size of input: 326 DAG size of output: 163 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-28 04:37:52,044 INFO L349 Elim1Store]: treesize reduction 2339, result has 30.7 percent of original size [2024-11-28 04:37:52,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 13 stores, 3 select indices, 3 select index equivalence classes, 14 disjoint index pairs (out of 3 index pairs), introduced 14 new quantified variables, introduced 73 case distinctions, treesize of input 35934 treesize of output 29669 [2024-11-28 04:40:31,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:40:31,535 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:40:32,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:40:33,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:40:36,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:40:40,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:40:40,049 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:40:47,609 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:40:50,285 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:41:01,690 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:41:07,431 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:41:18,341 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:41:44,620 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:41:44,901 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:41:44,906 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:41:52,637 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:41:52,642 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:41:55,532 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:41:55,535 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:42:03,628 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:42:09,563 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:42:09,567 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:42:16,480 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:42:37,333 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:42:42,228 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:42:43,637 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:42:45,785 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:42:59,938 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:43:07,740 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:43:14,498 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:43:26,236 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:43:28,083 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:43:28,090 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:43:30,487 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:43:37,902 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:43:48,282 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:43:50,074 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:44:22,551 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:44:41,406 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:44:43,393 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:44:50,692 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:44:52,989 INFO L224 Elim1Store]: Index analysis took 261854 ms [2024-11-28 04:44:52,994 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:44:53,002 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:44:53,016 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:44:53,019 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:44:53,026 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:44:53,032 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:44:53,041 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:44:53,050 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:44:53,056 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:46:34,332 WARN L286 SmtUtils]: Spent 1.69m on a formula simplification. DAG size of input: 158 DAG size of output: 21 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-28 04:46:34,333 INFO L349 Elim1Store]: treesize reduction 1144, result has 2.1 percent of original size [2024-11-28 04:46:34,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 12 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 47 case distinctions, treesize of input 1840 treesize of output 10266 [2024-11-28 04:47:57,895 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)