./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5e523f48 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b018c23c1a90f89310fc4f08bf16b02660af5a398ccd47f63d319e7a234c112b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-5e523f4 [2024-11-21 00:36:59,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 00:36:59,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-11-21 00:36:59,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 00:36:59,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 00:36:59,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 00:36:59,775 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 00:36:59,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 00:36:59,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 00:36:59,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 00:36:59,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 00:36:59,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 00:36:59,780 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 00:36:59,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 00:36:59,781 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 00:36:59,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 00:36:59,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 00:36:59,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 00:36:59,782 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-21 00:36:59,782 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-21 00:36:59,782 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-21 00:36:59,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 00:36:59,783 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-21 00:36:59,783 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-21 00:36:59,783 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 00:36:59,783 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 00:36:59,783 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 00:36:59,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 00:36:59,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 00:36:59,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 00:36:59,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 00:36:59,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 00:36:59,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 00:36:59,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 00:36:59,785 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 00:36:59,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 00:36:59,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 00:36:59,786 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-21 00:36:59,786 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 00:36:59,786 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 00:36:59,786 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 00:36:59,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter 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 -> b018c23c1a90f89310fc4f08bf16b02660af5a398ccd47f63d319e7a234c112b [2024-11-21 00:37:00,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 00:37:00,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 00:37:00,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 00:37:00,273 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 00:37:00,274 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 00:37:00,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2024-11-21 00:37:03,562 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/data/fd85bc1f5/ac4e93727f2240278640fc4312dc5f73/FLAGa4974dd82 [2024-11-21 00:37:03,991 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 00:37:03,992 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2024-11-21 00:37:04,023 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/data/fd85bc1f5/ac4e93727f2240278640fc4312dc5f73/FLAGa4974dd82 [2024-11-21 00:37:04,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/data/fd85bc1f5/ac4e93727f2240278640fc4312dc5f73 [2024-11-21 00:37:04,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 00:37:04,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 00:37:04,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 00:37:04,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 00:37:04,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 00:37:04,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:37:04" (1/1) ... [2024-11-21 00:37:04,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dafb982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:04, skipping insertion in model container [2024-11-21 00:37:04,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:37:04" (1/1) ... [2024-11-21 00:37:04,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 00:37:04,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 00:37:04,811 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 00:37:04,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 00:37:05,009 INFO L204 MainTranslator]: Completed translation [2024-11-21 00:37:05,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:05 WrapperNode [2024-11-21 00:37:05,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 00:37:05,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 00:37:05,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 00:37:05,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 00:37:05,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:05" (1/1) ... [2024-11-21 00:37:05,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:05" (1/1) ... [2024-11-21 00:37:05,078 INFO L138 Inliner]: procedures = 372, calls = 95, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 228 [2024-11-21 00:37:05,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 00:37:05,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 00:37:05,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 00:37:05,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 00:37:05,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:05" (1/1) ... [2024-11-21 00:37:05,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:05" (1/1) ... [2024-11-21 00:37:05,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:05" (1/1) ... [2024-11-21 00:37:05,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:05" (1/1) ... [2024-11-21 00:37:05,104 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:05" (1/1) ... [2024-11-21 00:37:05,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:05" (1/1) ... [2024-11-21 00:37:05,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:05" (1/1) ... [2024-11-21 00:37:05,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:05" (1/1) ... [2024-11-21 00:37:05,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:05" (1/1) ... [2024-11-21 00:37:05,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 00:37:05,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 00:37:05,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 00:37:05,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 00:37:05,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:05" (1/1) ... [2024-11-21 00:37:05,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 00:37:05,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:37:05,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 00:37:05,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 00:37:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-21 00:37:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-21 00:37:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-21 00:37:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 00:37:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 00:37:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-21 00:37:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 00:37:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 00:37:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-21 00:37:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-21 00:37:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-21 00:37:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 00:37:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 00:37:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 00:37:05,192 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 00:37:05,383 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 00:37:05,385 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 00:37:06,243 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 00:37:06,244 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 00:37:06,786 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 00:37:06,787 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-21 00:37:06,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:37:06 BoogieIcfgContainer [2024-11-21 00:37:06,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 00:37:06,789 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 00:37:06,790 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 00:37:06,796 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 00:37:06,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:37:04" (1/3) ... [2024-11-21 00:37:06,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6991c72b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:37:06, skipping insertion in model container [2024-11-21 00:37:06,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:05" (2/3) ... [2024-11-21 00:37:06,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6991c72b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:37:06, skipping insertion in model container [2024-11-21 00:37:06,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:37:06" (3/3) ... [2024-11-21 00:37:06,801 INFO L128 eAbstractionObserver]: Analyzing ICFG 09-regions_13-arraycollapse_nr.i [2024-11-21 00:37:06,820 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 00:37:06,823 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_13-arraycollapse_nr.i that has 2 procedures, 107 locations, 1 initial locations, 1 loop locations, and 61 error locations. [2024-11-21 00:37:06,823 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 00:37:06,913 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-21 00:37:06,985 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 00:37:06,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 00:37:06,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:37:06,989 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 00:37:06,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 00:37:07,113 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 00:37:07,126 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-11-21 00:37:07,135 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@12a130d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 00:37:07,136 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-21 00:37:07,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2024-11-21 00:37:07,491 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] === [2024-11-21 00:37:07,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:37:07,497 INFO L85 PathProgramCache]: Analyzing trace with hash -419617185, now seen corresponding path program 1 times [2024-11-21 00:37:07,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:37:07,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316796164] [2024-11-21 00:37:07,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:37:07,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:37:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:37:08,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:37:08,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:37:08,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316796164] [2024-11-21 00:37:08,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316796164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 00:37:08,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 00:37:08,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 00:37:08,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174018588] [2024-11-21 00:37:08,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 00:37:08,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 00:37:08,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:37:08,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 00:37:08,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 00:37:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:37:08,115 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:37:08,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:37:08,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:37:08,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:08,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 00:37:08,284 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] === [2024-11-21 00:37:08,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:37:08,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1267526911, now seen corresponding path program 1 times [2024-11-21 00:37:08,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:37:08,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500884132] [2024-11-21 00:37:08,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:37:08,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:37:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:37:08,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:37:08,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:37:08,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500884132] [2024-11-21 00:37:08,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500884132] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:37:08,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995859079] [2024-11-21 00:37:08,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:37:08,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:37:08,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:37:08,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:37:08,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 00:37:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:37:09,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-21 00:37:09,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:37:09,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 00:37:09,125 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 00:37:09,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995859079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 00:37:09,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 00:37:09,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2024-11-21 00:37:09,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995603477] [2024-11-21 00:37:09,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 00:37:09,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 00:37:09,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:37:09,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 00:37:09,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-21 00:37:09,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:37:09,129 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:37:09,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:37:09,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:09,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:37:09,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:09,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:09,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-21 00:37:09,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:37:09,583 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] === [2024-11-21 00:37:09,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:37:09,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1267526912, now seen corresponding path program 1 times [2024-11-21 00:37:09,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:37:09,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134513554] [2024-11-21 00:37:09,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:37:09,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:37:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:37:09,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:37:09,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:37:09,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134513554] [2024-11-21 00:37:09,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134513554] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:37:09,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780665662] [2024-11-21 00:37:09,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:37:09,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:37:09,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:37:09,838 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:37:09,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 00:37:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:37:10,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-21 00:37:10,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:37:10,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:37:10,175 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:37:10,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:37:10,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780665662] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:37:10,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:37:10,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-21 00:37:10,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378361872] [2024-11-21 00:37:10,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:37:10,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 00:37:10,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:37:10,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 00:37:10,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-21 00:37:10,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:37:10,231 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:37:10,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:37:10,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:10,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:10,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:37:10,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:10,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 00:37:10,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 00:37:10,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:37:10,637 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] === [2024-11-21 00:37:10,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:37:10,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1949986592, now seen corresponding path program 2 times [2024-11-21 00:37:10,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:37:10,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373895981] [2024-11-21 00:37:10,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:37:10,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:37:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:37:11,405 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:37:11,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:37:11,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373895981] [2024-11-21 00:37:11,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373895981] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:37:11,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924506016] [2024-11-21 00:37:11,406 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 00:37:11,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:37:11,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:37:11,408 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:37:11,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 00:37:11,745 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 00:37:11,745 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:37:11,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-21 00:37:11,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:37:11,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2024-11-21 00:37:11,799 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-21 00:37:11,799 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 00:37:11,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924506016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 00:37:11,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 00:37:11,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 8 [2024-11-21 00:37:11,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487601743] [2024-11-21 00:37:11,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 00:37:11,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 00:37:11,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:37:11,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 00:37:11,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-21 00:37:11,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:37:11,803 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:37:11,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:37:11,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:11,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:11,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 00:37:11,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:37:12,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:12,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:12,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 00:37:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:12,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-21 00:37:12,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:37:12,280 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] === [2024-11-21 00:37:12,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:37:12,281 INFO L85 PathProgramCache]: Analyzing trace with hash -320041452, now seen corresponding path program 1 times [2024-11-21 00:37:12,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:37:12,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627129011] [2024-11-21 00:37:12,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:37:12,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:37:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:37:12,836 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:37:12,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:37:12,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627129011] [2024-11-21 00:37:12,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627129011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:37:12,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984974672] [2024-11-21 00:37:12,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:37:12,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:37:12,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:37:12,840 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:37:12,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 00:37:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:37:13,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 1293 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 00:37:13,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:37:13,422 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:37:13,424 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:37:13,560 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:37:13,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984974672] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:37:13,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:37:13,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-21 00:37:13,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276756704] [2024-11-21 00:37:13,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:37:13,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 00:37:13,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:37:13,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 00:37:13,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-21 00:37:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:37:13,566 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:37:13,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 12 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:37:13,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:13,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:13,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 00:37:13,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:13,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:37:13,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:13,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:13,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 00:37:13,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:13,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:37:13,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 00:37:14,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:37:14,074 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] === [2024-11-21 00:37:14,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:37:14,075 INFO L85 PathProgramCache]: Analyzing trace with hash 722687572, now seen corresponding path program 2 times [2024-11-21 00:37:14,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:37:14,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232814537] [2024-11-21 00:37:14,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:37:14,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:37:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:37:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2024-11-21 00:37:14,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:37:14,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232814537] [2024-11-21 00:37:14,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232814537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 00:37:14,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 00:37:14,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 00:37:14,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255057667] [2024-11-21 00:37:14,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 00:37:14,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 00:37:14,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:37:14,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 00:37:14,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-21 00:37:14,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:37:14,983 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:37:14,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:37:14,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:14,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:14,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 00:37:14,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:14,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:37:14,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:37:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 00:37:15,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:15,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:37:15,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:15,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-21 00:37:15,146 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] === [2024-11-21 00:37:15,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:37:15,147 INFO L85 PathProgramCache]: Analyzing trace with hash 722687573, now seen corresponding path program 1 times [2024-11-21 00:37:15,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:37:15,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917855085] [2024-11-21 00:37:15,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:37:15,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:37:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:37:19,675 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 312 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:37:19,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:37:19,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917855085] [2024-11-21 00:37:19,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917855085] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:37:19,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130253793] [2024-11-21 00:37:19,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:37:19,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:37:19,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:37:19,679 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:37:19,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 00:37:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:37:20,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 2487 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-21 00:37:20,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:37:21,243 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 00:37:21,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-21 00:37:21,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 11 [2024-11-21 00:37:21,335 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 00:37:21,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-21 00:37:21,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 11 [2024-11-21 00:37:21,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:37:21,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 11 [2024-11-21 00:37:21,537 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 00:37:21,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-21 00:37:21,607 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 423 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:37:21,607 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:37:22,027 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 00:37:22,028 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 37 treesize of output 55 [2024-11-21 00:37:22,256 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 00:37:22,256 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 37 treesize of output 55 [2024-11-21 00:37:22,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 52 treesize of output 48 [2024-11-21 00:37:22,473 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 00:37:22,473 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 46 treesize of output 64 [2024-11-21 00:37:22,951 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 423 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:37:22,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130253793] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:37:22,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:37:22,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 14] total 23 [2024-11-21 00:37:22,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139150587] [2024-11-21 00:37:22,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:37:22,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-21 00:37:22,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:37:22,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-21 00:37:22,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2024-11-21 00:37:22,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:37:22,955 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:37:22,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 24 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:37:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 00:37:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:37:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:37:24,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:24,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:24,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 00:37:24,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:24,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:37:24,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:37:24,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:37:25,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-21 00:37:25,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-21 00:37:25,180 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] === [2024-11-21 00:37:25,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:37:25,181 INFO L85 PathProgramCache]: Analyzing trace with hash 928479042, now seen corresponding path program 1 times [2024-11-21 00:37:25,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:37:25,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634638009] [2024-11-21 00:37:25,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:37:25,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:37:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:39:34,114 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:39:34,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:39:34,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634638009] [2024-11-21 00:39:34,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634638009] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:39:34,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109471580] [2024-11-21 00:39:34,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:39:34,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:39:34,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:39:34,119 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:39:34,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c59866-a3e5-4e98-bb54-83cd902d3be7/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 00:39:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:39:38,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 2511 conjuncts, 509 conjuncts are in the unsatisfiable core [2024-11-21 00:39:38,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:39:38,793 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-21 00:39:38,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 14 treesize of output 13 [2024-11-21 00:39:38,809 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 00:39:38,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-21 00:39:39,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-21 00:39:39,185 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 00:39:39,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-21 00:39:39,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 9 [2024-11-21 00:39:39,386 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 17 treesize of output 12 [2024-11-21 00:39:39,405 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 17 treesize of output 12 [2024-11-21 00:39:40,050 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-21 00:39:40,051 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2024-11-21 00:39:40,325 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 26 treesize of output 19 [2024-11-21 00:39:40,569 INFO L349 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2024-11-21 00:39:40,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 41 [2024-11-21 00:39:40,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-21 00:39:40,818 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 34 treesize of output 25 [2024-11-21 00:39:40,858 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 34 treesize of output 25 [2024-11-21 00:39:41,105 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-21 00:39:41,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 14 treesize of output 13 [2024-11-21 00:39:41,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 27 [2024-11-21 00:39:41,178 INFO L349 Elim1Store]: treesize reduction 90, result has 34.8 percent of original size [2024-11-21 00:39:41,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 60 [2024-11-21 00:39:41,447 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 79 treesize of output 60 [2024-11-21 00:39:41,486 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 79 treesize of output 60 [2024-11-21 00:39:42,327 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-21 00:39:42,327 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 78 [2024-11-21 00:39:42,618 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 79 treesize of output 60 [2024-11-21 00:39:42,889 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-21 00:39:42,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 14 treesize of output 13 [2024-11-21 00:39:42,941 INFO L349 Elim1Store]: treesize reduction 90, result has 34.8 percent of original size [2024-11-21 00:39:42,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 60 [2024-11-21 00:39:43,215 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 79 treesize of output 60 [2024-11-21 00:39:43,262 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 79 treesize of output 60 [2024-11-21 00:39:43,573 INFO L349 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2024-11-21 00:39:43,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 12 treesize of output 18 [2024-11-21 00:39:43,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 59 [2024-11-21 00:39:43,651 INFO L349 Elim1Store]: treesize reduction 90, result has 34.8 percent of original size [2024-11-21 00:39:43,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 60 [2024-11-21 00:39:44,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:39:44,048 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 119 treesize of output 90 [2024-11-21 00:39:44,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:39:44,108 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 119 treesize of output 90 [2024-11-21 00:39:45,214 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-21 00:39:45,214 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 142 treesize of output 117 [2024-11-21 00:39:45,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:39:45,622 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 130 treesize of output 99 [2024-11-21 00:39:46,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:39:46,130 INFO L349 Elim1Store]: treesize reduction 152, result has 33.9 percent of original size [2024-11-21 00:39:46,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 53 treesize of output 101 [2024-11-21 00:39:46,168 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-21 00:39:46,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 17 [2024-11-21 00:39:46,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 121 [2024-11-21 00:39:46,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 121 [2024-11-21 00:39:47,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:39:47,447 INFO L349 Elim1Store]: treesize reduction 200, result has 33.1 percent of original size [2024-11-21 00:39:47,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 66 treesize of output 120 [2024-11-21 00:39:47,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 215 treesize of output 115 [2024-11-21 00:39:47,491 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-21 00:39:47,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 22 [2024-11-21 00:39:48,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:39:48,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 188 [2024-11-21 00:39:48,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:39:48,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 188 [2024-11-21 00:39:50,076 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-21 00:39:50,076 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 257 treesize of output 206 [2024-11-21 00:39:50,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:39:50,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 188 [2024-11-21 00:39:51,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:39:51,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:39:51,565 INFO L349 Elim1Store]: treesize reduction 220, result has 32.9 percent of original size [2024-11-21 00:39:51,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 71 treesize of output 132 [2024-11-21 00:39:51,588 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-21 00:39:51,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 25 [2024-11-21 00:39:52,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 283 treesize of output 218 [2024-11-21 00:39:52,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 283 treesize of output 218 [2024-11-21 00:39:53,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 318 treesize of output 163 [2024-11-21 00:39:53,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:39:53,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:39:53,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:39:53,434 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-21 00:39:53,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 25 [2024-11-21 00:39:53,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:39:53,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:39:53,571 INFO L349 Elim1Store]: treesize reduction 206, result has 34.4 percent of original size [2024-11-21 00:39:53,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 26 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 137 [2024-11-21 00:39:54,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 375 treesize of output 288 [2024-11-21 00:39:54,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 375 treesize of output 288 [2024-11-21 00:39:57,316 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-21 00:39:57,316 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 398 treesize of output 315 [2024-11-21 00:39:58,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 297 [2024-11-21 00:39:59,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:39:59,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:39:59,274 INFO L349 Elim1Store]: treesize reduction 274, result has 33.5 percent of original size [2024-11-21 00:39:59,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 34 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 85 treesize of output 173 [2024-11-21 00:39:59,344 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-21 00:39:59,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 21 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 25 [2024-11-21 00:40:00,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 434 treesize of output 335 [2024-11-21 00:40:00,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 434 treesize of output 335 [2024-11-21 00:40:02,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:40:02,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:40:02,421 INFO L349 Elim1Store]: treesize reduction 330, result has 32.5 percent of original size [2024-11-21 00:40:02,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 43 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 22 case distinctions, treesize of input 98 treesize of output 192 [2024-11-21 00:40:02,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 523 treesize of output 251 [2024-11-21 00:40:02,589 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-21 00:40:02,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 24 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 25 [2024-11-21 00:40:03,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 573 treesize of output 442 [2024-11-21 00:40:04,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 573 treesize of output 442 [2024-11-21 00:40:08,015 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-21 00:40:08,016 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 585 treesize of output 460 [2024-11-21 00:40:09,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 573 treesize of output 442 [2024-11-21 00:40:11,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:40:11,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:40:11,562 INFO L349 Elim1Store]: treesize reduction 350, result has 32.4 percent of original size [2024-11-21 00:40:11,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 53 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 24 case distinctions, treesize of input 103 treesize of output 204 [2024-11-21 00:40:11,606 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-21 00:40:11,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 27 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 25 [2024-11-21 00:40:13,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 631 treesize of output 488 [2024-11-21 00:40:13,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 631 treesize of output 488 [2024-11-21 00:40:15,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 678 treesize of output 315 [2024-11-21 00:40:15,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:40:15,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:40:15,984 INFO L349 Elim1Store]: treesize reduction 350, result has 32.4 percent of original size [2024-11-21 00:40:15,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 63 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 24 case distinctions, treesize of input 103 treesize of output 204 [2024-11-21 00:40:16,061 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-21 00:40:16,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 29 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 25 [2024-11-21 00:40:18,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 775 treesize of output 598 [2024-11-21 00:40:18,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 775 treesize of output 598 [2024-11-21 00:40:25,207 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-21 00:40:25,207 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 798 treesize of output 625 [2024-11-21 00:40:27,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 786 treesize of output 607 [2024-11-21 00:40:29,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:40:29,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:40:29,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:40:29,479 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-21 00:40:29,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 23 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 25 [2024-11-21 00:40:29,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:40:29,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:40:29,752 INFO L349 Elim1Store]: treesize reduction 396, result has 33.3 percent of original size [2024-11-21 00:40:29,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 75 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 29 case distinctions, treesize of input 117 treesize of output 245 [2024-11-21 00:40:32,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 854 treesize of output 661 [2024-11-21 00:40:33,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 854 treesize of output 661 [2024-11-21 00:40:35,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 34 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 907 treesize of output 407 [2024-11-21 00:40:35,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:40:35,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:40:36,054 INFO L349 Elim1Store]: treesize reduction 432, result has 33.6 percent of original size [2024-11-21 00:40:36,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 88 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 31 case distinctions, treesize of input 128 treesize of output 269 [2024-11-21 00:40:36,169 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-21 00:40:36,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 36 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 25 [2024-11-21 00:40:38,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1045 treesize of output 808 [2024-11-21 00:40:40,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1045 treesize of output 808 [2024-11-21 00:40:48,040 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-21 00:40:48,041 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 1057 treesize of output 826 [2024-11-21 00:40:51,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1045 treesize of output 808 [2024-11-21 00:40:54,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:40:54,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:40:54,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:40:54,108 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-21 00:40:54,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 27 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 25 [2024-11-21 00:40:54,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:40:54,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:40:54,479 INFO L349 Elim1Store]: treesize reduction 450, result has 33.6 percent of original size [2024-11-21 00:40:54,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 102 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 33 case distinctions, treesize of input 133 treesize of output 281 [2024-11-21 00:41:00,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1123 treesize of output 870 [2024-11-21 00:41:02,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1123 treesize of output 870 [2024-11-21 00:41:08,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 43 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 1182 treesize of output 515 [2024-11-21 00:41:08,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:41:08,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:41:09,344 INFO L349 Elim1Store]: treesize reduction 518, result has 32.5 percent of original size [2024-11-21 00:41:09,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 117 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 35 case distinctions, treesize of input 146 treesize of output 300 [2024-11-21 00:41:09,497 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-21 00:41:09,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 42 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 25 [2024-11-21 00:41:16,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1340 treesize of output 1037 [2024-11-21 00:41:18,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1340 treesize of output 1037 [2024-11-21 00:41:33,291 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-21 00:41:33,292 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 1352 treesize of output 1055 [2024-11-21 00:41:43,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1340 treesize of output 1037 [2024-11-21 00:41:47,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:41:47,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:41:47,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:41:47,665 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-21 00:41:47,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 31 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 25 [2024-11-21 00:41:47,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:41:47,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:41:48,116 INFO L349 Elim1Store]: treesize reduction 538, result has 32.4 percent of original size [2024-11-21 00:41:48,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 133 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 37 case distinctions, treesize of input 151 treesize of output 312 [2024-11-21 00:41:56,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1428 treesize of output 1107 [2024-11-21 00:41:58,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1428 treesize of output 1107 [2024-11-21 00:42:07,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 53 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 1493 treesize of output 635 [2024-11-21 00:42:07,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:42:07,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 00:42:07,886 INFO L349 Elim1Store]: treesize reduction 538, result has 32.4 percent of original size [2024-11-21 00:42:07,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 149 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 37 case distinctions, treesize of input 151 treesize of output 312 [2024-11-21 00:42:08,047 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-21 00:42:08,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 47 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 25 [2024-11-21 00:42:19,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1650 treesize of output 1277 [2024-11-21 00:42:22,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1650 treesize of output 1277 [2024-11-21 00:42:31,551 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2024-11-21 00:42:31,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 32 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2024-11-21 00:42:42,880 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-21 00:42:42,881 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 1335 treesize of output 966 [2024-11-21 00:42:48,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1327 treesize of output 952 [2024-11-21 00:43:01,089 INFO L349 Elim1Store]: treesize reduction 548, result has 31.5 percent of original size [2024-11-21 00:43:01,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 167 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 42 case distinctions, treesize of input 149 treesize of output 312 [2024-11-21 00:43:10,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1407 treesize of output 1012 [2024-11-21 00:43:13,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1407 treesize of output 1012 [2024-11-21 00:43:38,395 INFO L349 Elim1Store]: treesize reduction 162, result has 48.6 percent of original size [2024-11-21 00:43:38,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 54 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 1412 treesize of output 776 [2024-11-21 00:48:24,931 WARN L286 SmtUtils]: Spent 32.28s on a formula simplification that was a NOOP. DAG size: 910 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 00:48:56,388 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-11-21 00:48:56,393 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 2 case distinctions, treesize of input 14523 treesize of output 11337