./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-87.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1733340110531036ec2730e9cf68ec8d1d2e7f12e2ee065e03b827b6d5da2aba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:07:38,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:07:38,160 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:07:38,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:07:38,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:07:38,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:07:38,194 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:07:38,194 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:07:38,194 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:07:38,194 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:07:38,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:07:38,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:07:38,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:07:38,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:07:38,195 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:07:38,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:07:38,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:07:38,196 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:07:38,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:07:38,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:07:38,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:07:38,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:07:38,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:07:38,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:07:38,196 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:07:38,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:07:38,196 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:07:38,197 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:07:38,197 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:07:38,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:07:38,197 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:07:38,197 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:07:38,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:07:38,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:07:38,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:07:38,198 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:07:38,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:07:38,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:07:38,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:07:38,198 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:07:38,198 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:07:38,198 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:07:38,198 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:07:38,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:07:38,199 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:07:38,199 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:07:38,199 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:07:38,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:07:38,199 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1733340110531036ec2730e9cf68ec8d1d2e7f12e2ee065e03b827b6d5da2aba [2024-12-02 14:07:38,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:07:38,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:07:38,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:07:38,497 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:07:38,497 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:07:38,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-87.i [2024-12-02 14:07:41,414 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/data/ebd25161c/b23e2b98d3704eea8f1bb784de4e18a7/FLAGd9c4c45f4 [2024-12-02 14:07:41,683 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:07:41,684 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-87.i [2024-12-02 14:07:41,694 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/data/ebd25161c/b23e2b98d3704eea8f1bb784de4e18a7/FLAGd9c4c45f4 [2024-12-02 14:07:41,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/data/ebd25161c/b23e2b98d3704eea8f1bb784de4e18a7 [2024-12-02 14:07:41,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:07:41,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:07:41,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:07:41,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:07:41,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:07:41,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:07:41" (1/1) ... [2024-12-02 14:07:41,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d0d665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:41, skipping insertion in model container [2024-12-02 14:07:41,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:07:41" (1/1) ... [2024-12-02 14:07:41,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:07:41,909 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-87.i[917,930] [2024-12-02 14:07:41,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:07:41,970 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:07:41,982 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-87.i[917,930] [2024-12-02 14:07:42,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:07:42,041 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:07:42,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:42 WrapperNode [2024-12-02 14:07:42,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:07:42,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:07:42,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:07:42,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:07:42,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:42" (1/1) ... [2024-12-02 14:07:42,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:42" (1/1) ... [2024-12-02 14:07:42,091 INFO L138 Inliner]: procedures = 27, calls = 145, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 420 [2024-12-02 14:07:42,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:07:42,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:07:42,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:07:42,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:07:42,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:42" (1/1) ... [2024-12-02 14:07:42,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:42" (1/1) ... [2024-12-02 14:07:42,110 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:42" (1/1) ... [2024-12-02 14:07:42,131 INFO L175 MemorySlicer]: Split 120 memory accesses to 2 slices as follows [2, 118]. 98 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 31 writes are split as follows [0, 31]. [2024-12-02 14:07:42,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:42" (1/1) ... [2024-12-02 14:07:42,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:42" (1/1) ... [2024-12-02 14:07:42,146 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:42" (1/1) ... [2024-12-02 14:07:42,147 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:42" (1/1) ... [2024-12-02 14:07:42,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:42" (1/1) ... [2024-12-02 14:07:42,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:42" (1/1) ... [2024-12-02 14:07:42,156 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:42" (1/1) ... [2024-12-02 14:07:42,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:07:42,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:07:42,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:07:42,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:07:42,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:42" (1/1) ... [2024-12-02 14:07:42,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:07:42,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:07:42,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:07:42,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:07:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:07:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 14:07:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 14:07:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 14:07:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 14:07:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 14:07:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 14:07:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:07:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:07:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:07:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 14:07:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:07:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:07:42,343 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:07:42,345 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:07:42,776 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-12-02 14:07:42,777 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:07:42,789 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:07:42,789 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:07:42,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:07:42 BoogieIcfgContainer [2024-12-02 14:07:42,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:07:42,792 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:07:42,792 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:07:42,796 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:07:42,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:07:41" (1/3) ... [2024-12-02 14:07:42,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a5b96b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:07:42, skipping insertion in model container [2024-12-02 14:07:42,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:42" (2/3) ... [2024-12-02 14:07:42,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a5b96b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:07:42, skipping insertion in model container [2024-12-02 14:07:42,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:07:42" (3/3) ... [2024-12-02 14:07:42,799 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-87.i [2024-12-02 14:07:42,812 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:07:42,813 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-87.i that has 2 procedures, 87 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:07:42,865 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:07:42,876 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7790280c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:07:42,877 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:07:42,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 71 states have internal predecessors, (96), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 14:07:42,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 14:07:42,891 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:07:42,892 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:07:42,892 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:07:42,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:07:42,899 INFO L85 PathProgramCache]: Analyzing trace with hash -160032552, now seen corresponding path program 1 times [2024-12-02 14:07:42,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:07:42,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969863294] [2024-12-02 14:07:42,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:07:42,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:07:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:07:43,220 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-12-02 14:07:43,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:07:43,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969863294] [2024-12-02 14:07:43,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969863294] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:07:43,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771629721] [2024-12-02 14:07:43,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:07:43,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:07:43,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:07:43,224 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:07:43,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:07:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:07:43,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:07:43,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:07:43,481 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-12-02 14:07:43,481 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:07:43,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771629721] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:07:43,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:07:43,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 14:07:43,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326056095] [2024-12-02 14:07:43,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:07:43,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:07:43,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:07:43,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:07:43,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:07:43,508 INFO L87 Difference]: Start difference. First operand has 87 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 71 states have internal predecessors, (96), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:07:43,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:07:43,533 INFO L93 Difference]: Finished difference Result 167 states and 256 transitions. [2024-12-02 14:07:43,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:07:43,535 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 111 [2024-12-02 14:07:43,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:07:43,540 INFO L225 Difference]: With dead ends: 167 [2024-12-02 14:07:43,540 INFO L226 Difference]: Without dead ends: 83 [2024-12-02 14:07:43,543 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:07:43,545 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:07:43,546 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:07:43,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-12-02 14:07:43,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-12-02 14:07:43,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 67 states have internal predecessors, (87), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 14:07:43,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 115 transitions. [2024-12-02 14:07:43,586 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 115 transitions. Word has length 111 [2024-12-02 14:07:43,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:07:43,586 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 115 transitions. [2024-12-02 14:07:43,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:07:43,587 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2024-12-02 14:07:43,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 14:07:43,590 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:07:43,590 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:07:43,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:07:43,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:07:43,791 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:07:43,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:07:43,791 INFO L85 PathProgramCache]: Analyzing trace with hash -173670212, now seen corresponding path program 1 times [2024-12-02 14:07:43,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:07:43,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886408270] [2024-12-02 14:07:43,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:07:43,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:07:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:07:44,229 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 14:07:44,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:07:44,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886408270] [2024-12-02 14:07:44,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886408270] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:07:44,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808260554] [2024-12-02 14:07:44,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:07:44,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:07:44,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:07:44,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:07:44,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:07:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:07:44,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:07:44,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:07:44,508 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:07:44,509 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:07:44,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808260554] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:07:44,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:07:44,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-12-02 14:07:44,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910862211] [2024-12-02 14:07:44,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:07:44,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:07:44,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:07:44,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:07:44,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:07:44,512 INFO L87 Difference]: Start difference. First operand 83 states and 115 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:07:44,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:07:44,567 INFO L93 Difference]: Finished difference Result 166 states and 231 transitions. [2024-12-02 14:07:44,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:07:44,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 111 [2024-12-02 14:07:44,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:07:44,570 INFO L225 Difference]: With dead ends: 166 [2024-12-02 14:07:44,570 INFO L226 Difference]: Without dead ends: 86 [2024-12-02 14:07:44,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:07:44,571 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 1 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:07:44,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 325 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:07:44,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-12-02 14:07:44,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 85. [2024-12-02 14:07:44,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 69 states have (on average 1.289855072463768) internal successors, (89), 69 states have internal predecessors, (89), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 14:07:44,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 117 transitions. [2024-12-02 14:07:44,583 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 117 transitions. Word has length 111 [2024-12-02 14:07:44,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:07:44,584 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 117 transitions. [2024-12-02 14:07:44,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:07:44,584 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 117 transitions. [2024-12-02 14:07:44,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 14:07:44,586 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:07:44,586 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:07:44,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 14:07:44,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:07:44,787 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:07:44,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:07:44,788 INFO L85 PathProgramCache]: Analyzing trace with hash 506388158, now seen corresponding path program 1 times [2024-12-02 14:07:44,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:07:44,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515996492] [2024-12-02 14:07:44,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:07:44,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:07:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:07:45,049 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 14:07:45,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:07:45,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515996492] [2024-12-02 14:07:45,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515996492] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:07:45,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053328714] [2024-12-02 14:07:45,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:07:45,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:07:45,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:07:45,052 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:07:45,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 14:07:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:07:45,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:07:45,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:07:45,286 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:07:45,286 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:07:45,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053328714] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:07:45,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:07:45,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-12-02 14:07:45,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510405883] [2024-12-02 14:07:45,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:07:45,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:07:45,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:07:45,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:07:45,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:07:45,288 INFO L87 Difference]: Start difference. First operand 85 states and 117 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:07:45,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:07:45,331 INFO L93 Difference]: Finished difference Result 170 states and 235 transitions. [2024-12-02 14:07:45,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:07:45,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 111 [2024-12-02 14:07:45,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:07:45,333 INFO L225 Difference]: With dead ends: 170 [2024-12-02 14:07:45,334 INFO L226 Difference]: Without dead ends: 88 [2024-12-02 14:07:45,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:07:45,335 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 1 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:07:45,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 326 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:07:45,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-12-02 14:07:45,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 87. [2024-12-02 14:07:45,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 71 states have (on average 1.2816901408450705) internal successors, (91), 71 states have internal predecessors, (91), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 14:07:45,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2024-12-02 14:07:45,346 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 111 [2024-12-02 14:07:45,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:07:45,346 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2024-12-02 14:07:45,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:07:45,347 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2024-12-02 14:07:45,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 14:07:45,349 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:07:45,349 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:07:45,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 14:07:45,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:07:45,550 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:07:45,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:07:45,550 INFO L85 PathProgramCache]: Analyzing trace with hash -2013571776, now seen corresponding path program 1 times [2024-12-02 14:07:45,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:07:45,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321210410] [2024-12-02 14:07:45,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:07:45,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:07:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:07:45,844 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 14:07:45,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:07:45,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321210410] [2024-12-02 14:07:45,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321210410] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:07:45,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62302558] [2024-12-02 14:07:45,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:07:45,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:07:45,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:07:45,848 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:07:45,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 14:07:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:07:46,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:07:46,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:07:46,115 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:07:46,115 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:07:46,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62302558] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:07:46,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:07:46,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-12-02 14:07:46,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598030909] [2024-12-02 14:07:46,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:07:46,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:07:46,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:07:46,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:07:46,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:07:46,118 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:07:46,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:07:46,151 INFO L93 Difference]: Finished difference Result 174 states and 239 transitions. [2024-12-02 14:07:46,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:07:46,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 111 [2024-12-02 14:07:46,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:07:46,153 INFO L225 Difference]: With dead ends: 174 [2024-12-02 14:07:46,153 INFO L226 Difference]: Without dead ends: 90 [2024-12-02 14:07:46,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:07:46,155 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 1 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:07:46,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 328 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:07:46,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-12-02 14:07:46,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 89. [2024-12-02 14:07:46,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 73 states have (on average 1.273972602739726) internal successors, (93), 73 states have internal predecessors, (93), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 14:07:46,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 121 transitions. [2024-12-02 14:07:46,166 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 121 transitions. Word has length 111 [2024-12-02 14:07:46,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:07:46,166 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 121 transitions. [2024-12-02 14:07:46,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:07:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2024-12-02 14:07:46,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 14:07:46,169 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:07:46,169 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:07:46,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 14:07:46,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:07:46,370 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:07:46,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:07:46,371 INFO L85 PathProgramCache]: Analyzing trace with hash -2011724734, now seen corresponding path program 1 times [2024-12-02 14:07:46,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:07:46,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811577732] [2024-12-02 14:07:46,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:07:46,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:07:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:07:46,643 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 14:07:46,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:07:46,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811577732] [2024-12-02 14:07:46,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811577732] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:07:46,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285042047] [2024-12-02 14:07:46,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:07:46,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:07:46,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:07:46,646 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:07:46,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 14:07:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:07:46,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:07:46,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:07:46,905 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:07:46,905 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:07:46,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285042047] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:07:46,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:07:46,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-12-02 14:07:46,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650464013] [2024-12-02 14:07:46,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:07:46,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:07:46,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:07:46,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:07:46,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:07:46,907 INFO L87 Difference]: Start difference. First operand 89 states and 121 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:07:46,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:07:46,942 INFO L93 Difference]: Finished difference Result 177 states and 242 transitions. [2024-12-02 14:07:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:07:46,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 111 [2024-12-02 14:07:46,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:07:46,944 INFO L225 Difference]: With dead ends: 177 [2024-12-02 14:07:46,944 INFO L226 Difference]: Without dead ends: 91 [2024-12-02 14:07:46,945 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:07:46,946 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:07:46,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 328 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:07:46,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-12-02 14:07:46,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-12-02 14:07:46,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.2666666666666666) internal successors, (95), 75 states have internal predecessors, (95), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 14:07:46,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 123 transitions. [2024-12-02 14:07:46,956 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 123 transitions. Word has length 111 [2024-12-02 14:07:46,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:07:46,957 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 123 transitions. [2024-12-02 14:07:46,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:07:46,957 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 123 transitions. [2024-12-02 14:07:46,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 14:07:46,959 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:07:46,959 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:07:46,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-02 14:07:47,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:07:47,160 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:07:47,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:07:47,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1933177509, now seen corresponding path program 1 times [2024-12-02 14:07:47,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:07:47,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389328269] [2024-12-02 14:07:47,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:07:47,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:07:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:07:48,180 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:07:48,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:07:48,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389328269] [2024-12-02 14:07:48,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389328269] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:07:48,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:07:48,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:07:48,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844230091] [2024-12-02 14:07:48,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:07:48,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:07:48,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:07:48,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:07:48,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:07:48,182 INFO L87 Difference]: Start difference. First operand 91 states and 123 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:07:48,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:07:48,778 INFO L93 Difference]: Finished difference Result 227 states and 308 transitions. [2024-12-02 14:07:48,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:07:48,779 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 113 [2024-12-02 14:07:48,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:07:48,781 INFO L225 Difference]: With dead ends: 227 [2024-12-02 14:07:48,781 INFO L226 Difference]: Without dead ends: 139 [2024-12-02 14:07:48,781 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:07:48,782 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 130 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:07:48,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 258 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 14:07:48,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-12-02 14:07:48,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 103. [2024-12-02 14:07:48,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 87 states have (on average 1.2988505747126438) internal successors, (113), 87 states have internal predecessors, (113), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 14:07:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 141 transitions. [2024-12-02 14:07:48,796 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 141 transitions. Word has length 113 [2024-12-02 14:07:48,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:07:48,797 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 141 transitions. [2024-12-02 14:07:48,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:07:48,797 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 141 transitions. [2024-12-02 14:07:48,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 14:07:48,799 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:07:48,799 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:07:48,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:07:48,799 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:07:48,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:07:48,800 INFO L85 PathProgramCache]: Analyzing trace with hash -633094042, now seen corresponding path program 1 times [2024-12-02 14:07:48,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:07:48,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322664216] [2024-12-02 14:07:48,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:07:48,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:07:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:07:49,762 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:07:49,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:07:49,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322664216] [2024-12-02 14:07:49,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322664216] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:07:49,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:07:49,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 14:07:49,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234332456] [2024-12-02 14:07:49,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:07:49,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:07:49,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:07:49,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:07:49,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:07:49,764 INFO L87 Difference]: Start difference. First operand 103 states and 141 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:07:50,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:07:50,362 INFO L93 Difference]: Finished difference Result 256 states and 349 transitions. [2024-12-02 14:07:50,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:07:50,363 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 113 [2024-12-02 14:07:50,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:07:50,364 INFO L225 Difference]: With dead ends: 256 [2024-12-02 14:07:50,365 INFO L226 Difference]: Without dead ends: 156 [2024-12-02 14:07:50,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:07:50,366 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 269 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:07:50,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 350 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:07:50,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-12-02 14:07:50,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 123. [2024-12-02 14:07:50,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 107 states have (on average 1.308411214953271) internal successors, (140), 107 states have internal predecessors, (140), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 14:07:50,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 168 transitions. [2024-12-02 14:07:50,388 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 168 transitions. Word has length 113 [2024-12-02 14:07:50,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:07:50,389 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 168 transitions. [2024-12-02 14:07:50,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:07:50,389 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 168 transitions. [2024-12-02 14:07:50,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 14:07:50,391 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:07:50,391 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:07:50,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 14:07:50,392 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:07:50,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:07:50,392 INFO L85 PathProgramCache]: Analyzing trace with hash -776494331, now seen corresponding path program 1 times [2024-12-02 14:07:50,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:07:50,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637408084] [2024-12-02 14:07:50,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:07:50,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:07:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:07:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:07:52,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:07:52,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637408084] [2024-12-02 14:07:52,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637408084] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:07:52,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:07:52,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 14:07:52,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374301611] [2024-12-02 14:07:52,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:07:52,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 14:07:52,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:07:52,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 14:07:52,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:07:52,937 INFO L87 Difference]: Start difference. First operand 123 states and 168 transitions. Second operand has 13 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 13 states have internal predecessors, (47), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-12-02 14:07:54,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:07:54,682 INFO L93 Difference]: Finished difference Result 336 states and 449 transitions. [2024-12-02 14:07:54,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 14:07:54,683 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 13 states have internal predecessors, (47), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 114 [2024-12-02 14:07:54,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:07:54,685 INFO L225 Difference]: With dead ends: 336 [2024-12-02 14:07:54,685 INFO L226 Difference]: Without dead ends: 216 [2024-12-02 14:07:54,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:07:54,686 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 234 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:07:54,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 481 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 14:07:54,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-12-02 14:07:54,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 161. [2024-12-02 14:07:54,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 142 states have (on average 1.295774647887324) internal successors, (184), 143 states have internal predecessors, (184), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 14:07:54,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 216 transitions. [2024-12-02 14:07:54,718 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 216 transitions. Word has length 114 [2024-12-02 14:07:54,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:07:54,719 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 216 transitions. [2024-12-02 14:07:54,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 13 states have internal predecessors, (47), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-12-02 14:07:54,719 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 216 transitions. [2024-12-02 14:07:54,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 14:07:54,720 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:07:54,721 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:07:54,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 14:07:54,721 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:07:54,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:07:54,722 INFO L85 PathProgramCache]: Analyzing trace with hash 200671924, now seen corresponding path program 1 times [2024-12-02 14:07:54,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:07:54,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464415526] [2024-12-02 14:07:54,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:07:54,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:07:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:07:59,873 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:07:59,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:07:59,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464415526] [2024-12-02 14:07:59,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464415526] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:07:59,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:07:59,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 14:07:59,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837238502] [2024-12-02 14:07:59,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:07:59,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 14:07:59,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:07:59,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 14:07:59,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:07:59,876 INFO L87 Difference]: Start difference. First operand 161 states and 216 transitions. Second operand has 17 states, 15 states have (on average 3.2) internal successors, (48), 17 states have internal predecessors, (48), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 5 states have call successors, (14) [2024-12-02 14:08:02,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:08:02,102 INFO L93 Difference]: Finished difference Result 392 states and 522 transitions. [2024-12-02 14:08:02,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 14:08:02,102 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.2) internal successors, (48), 17 states have internal predecessors, (48), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 5 states have call successors, (14) Word has length 115 [2024-12-02 14:08:02,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:08:02,104 INFO L225 Difference]: With dead ends: 392 [2024-12-02 14:08:02,104 INFO L226 Difference]: Without dead ends: 234 [2024-12-02 14:08:02,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=140, Invalid=510, Unknown=0, NotChecked=0, Total=650 [2024-12-02 14:08:02,106 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 253 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:08:02,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 539 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 14:08:02,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-12-02 14:08:02,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 157. [2024-12-02 14:08:02,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 138 states have (on average 1.289855072463768) internal successors, (178), 139 states have internal predecessors, (178), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 14:08:02,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 210 transitions. [2024-12-02 14:08:02,131 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 210 transitions. Word has length 115 [2024-12-02 14:08:02,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:08:02,131 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 210 transitions. [2024-12-02 14:08:02,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.2) internal successors, (48), 17 states have internal predecessors, (48), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 5 states have call successors, (14) [2024-12-02 14:08:02,131 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 210 transitions. [2024-12-02 14:08:02,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 14:08:02,132 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:08:02,132 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:08:02,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 14:08:02,133 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:08:02,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:08:02,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1223887013, now seen corresponding path program 1 times [2024-12-02 14:08:02,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:08:02,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462662641] [2024-12-02 14:08:02,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:08:02,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:08:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:08:02,719 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:08:02,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:08:02,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462662641] [2024-12-02 14:08:02,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462662641] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:08:02,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:08:02,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:08:02,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672615402] [2024-12-02 14:08:02,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:08:02,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:08:02,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:08:02,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:08:02,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:08:02,721 INFO L87 Difference]: Start difference. First operand 157 states and 210 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:08:03,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:08:03,102 INFO L93 Difference]: Finished difference Result 302 states and 403 transitions. [2024-12-02 14:08:03,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:08:03,103 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 115 [2024-12-02 14:08:03,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:08:03,105 INFO L225 Difference]: With dead ends: 302 [2024-12-02 14:08:03,105 INFO L226 Difference]: Without dead ends: 148 [2024-12-02 14:08:03,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:08:03,106 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 183 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:08:03,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 220 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:08:03,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-12-02 14:08:03,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 146. [2024-12-02 14:08:03,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 127 states have (on average 1.2755905511811023) internal successors, (162), 128 states have internal predecessors, (162), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 14:08:03,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 194 transitions. [2024-12-02 14:08:03,138 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 194 transitions. Word has length 115 [2024-12-02 14:08:03,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:08:03,139 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 194 transitions. [2024-12-02 14:08:03,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:08:03,139 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 194 transitions. [2024-12-02 14:08:03,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 14:08:03,141 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:08:03,141 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:08:03,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 14:08:03,141 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:08:03,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:08:03,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1644013042, now seen corresponding path program 1 times [2024-12-02 14:08:03,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:08:03,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890852783] [2024-12-02 14:08:03,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:08:03,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:08:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:08:04,698 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:08:04,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:08:04,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890852783] [2024-12-02 14:08:04,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890852783] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:08:04,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:08:04,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 14:08:04,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317720527] [2024-12-02 14:08:04,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:08:04,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 14:08:04,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:08:04,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 14:08:04,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:08:04,700 INFO L87 Difference]: Start difference. First operand 146 states and 194 transitions. Second operand has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-12-02 14:08:05,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:08:05,409 INFO L93 Difference]: Finished difference Result 216 states and 280 transitions. [2024-12-02 14:08:05,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 14:08:05,410 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 115 [2024-12-02 14:08:05,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:08:05,411 INFO L225 Difference]: With dead ends: 216 [2024-12-02 14:08:05,411 INFO L226 Difference]: Without dead ends: 214 [2024-12-02 14:08:05,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:08:05,412 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 324 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:08:05,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 295 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 14:08:05,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-12-02 14:08:05,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 190. [2024-12-02 14:08:05,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 171 states have (on average 1.286549707602339) internal successors, (220), 172 states have internal predecessors, (220), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 14:08:05,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 252 transitions. [2024-12-02 14:08:05,434 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 252 transitions. Word has length 115 [2024-12-02 14:08:05,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:08:05,434 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 252 transitions. [2024-12-02 14:08:05,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-12-02 14:08:05,434 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 252 transitions. [2024-12-02 14:08:05,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 14:08:05,435 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:08:05,435 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:08:05,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 14:08:05,435 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:08:05,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:08:05,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1645860084, now seen corresponding path program 1 times [2024-12-02 14:08:05,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:08:05,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542880524] [2024-12-02 14:08:05,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:08:05,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:08:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:08:06,390 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:08:06,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:08:06,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542880524] [2024-12-02 14:08:06,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542880524] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:08:06,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:08:06,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 14:08:06,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423870166] [2024-12-02 14:08:06,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:08:06,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 14:08:06,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:08:06,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 14:08:06,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:08:06,392 INFO L87 Difference]: Start difference. First operand 190 states and 252 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:08:07,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:08:07,159 INFO L93 Difference]: Finished difference Result 403 states and 528 transitions. [2024-12-02 14:08:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:08:07,159 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 115 [2024-12-02 14:08:07,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:08:07,161 INFO L225 Difference]: With dead ends: 403 [2024-12-02 14:08:07,161 INFO L226 Difference]: Without dead ends: 216 [2024-12-02 14:08:07,161 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-12-02 14:08:07,162 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 219 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:08:07,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 331 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 14:08:07,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-12-02 14:08:07,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 190. [2024-12-02 14:08:07,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 171 states have (on average 1.2748538011695907) internal successors, (218), 172 states have internal predecessors, (218), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 14:08:07,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 250 transitions. [2024-12-02 14:08:07,193 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 250 transitions. Word has length 115 [2024-12-02 14:08:07,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:08:07,193 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 250 transitions. [2024-12-02 14:08:07,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:08:07,194 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 250 transitions. [2024-12-02 14:08:07,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 14:08:07,195 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:08:07,195 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:08:07,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 14:08:07,195 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:08:07,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:08:07,196 INFO L85 PathProgramCache]: Analyzing trace with hash -874099850, now seen corresponding path program 1 times [2024-12-02 14:08:07,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:08:07,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203884318] [2024-12-02 14:08:07,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:08:07,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:08:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:08:08,261 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:08:08,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:08:08,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203884318] [2024-12-02 14:08:08,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203884318] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:08:08,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:08:08,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 14:08:08,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889617386] [2024-12-02 14:08:08,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:08:08,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:08:08,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:08:08,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:08:08,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:08:08,263 INFO L87 Difference]: Start difference. First operand 190 states and 250 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:08:08,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:08:08,865 INFO L93 Difference]: Finished difference Result 401 states and 522 transitions. [2024-12-02 14:08:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:08:08,865 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 115 [2024-12-02 14:08:08,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:08:08,868 INFO L225 Difference]: With dead ends: 401 [2024-12-02 14:08:08,868 INFO L226 Difference]: Without dead ends: 214 [2024-12-02 14:08:08,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:08:08,869 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 249 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:08:08,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 216 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:08:08,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-12-02 14:08:08,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 190. [2024-12-02 14:08:08,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 171 states have (on average 1.263157894736842) internal successors, (216), 172 states have internal predecessors, (216), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 14:08:08,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 248 transitions. [2024-12-02 14:08:08,896 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 248 transitions. Word has length 115 [2024-12-02 14:08:08,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:08:08,896 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 248 transitions. [2024-12-02 14:08:08,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:08:08,896 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 248 transitions. [2024-12-02 14:08:08,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 14:08:08,897 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:08:08,898 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:08:08,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 14:08:08,898 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:08:08,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:08:08,898 INFO L85 PathProgramCache]: Analyzing trace with hash -194041480, now seen corresponding path program 1 times [2024-12-02 14:08:08,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:08:08,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406418544] [2024-12-02 14:08:08,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:08:08,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:08:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:08:09,256 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:08:09,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:08:09,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406418544] [2024-12-02 14:08:09,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406418544] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:08:09,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:08:09,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:08:09,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227639752] [2024-12-02 14:08:09,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:08:09,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:08:09,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:08:09,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:08:09,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:08:09,258 INFO L87 Difference]: Start difference. First operand 190 states and 248 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:08:09,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:08:09,626 INFO L93 Difference]: Finished difference Result 507 states and 654 transitions. [2024-12-02 14:08:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:08:09,627 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 115 [2024-12-02 14:08:09,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:08:09,628 INFO L225 Difference]: With dead ends: 507 [2024-12-02 14:08:09,628 INFO L226 Difference]: Without dead ends: 320 [2024-12-02 14:08:09,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:08:09,629 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 261 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:08:09,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 316 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:08:09,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-12-02 14:08:09,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 254. [2024-12-02 14:08:09,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 235 states have (on average 1.251063829787234) internal successors, (294), 236 states have internal predecessors, (294), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 14:08:09,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 326 transitions. [2024-12-02 14:08:09,660 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 326 transitions. Word has length 115 [2024-12-02 14:08:09,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:08:09,660 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 326 transitions. [2024-12-02 14:08:09,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:08:09,660 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 326 transitions. [2024-12-02 14:08:09,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 14:08:09,661 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:08:09,661 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:08:09,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 14:08:09,662 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:08:09,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:08:09,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1310951966, now seen corresponding path program 1 times [2024-12-02 14:08:09,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:08:09,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280914041] [2024-12-02 14:08:09,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:08:09,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:08:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:08:10,252 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 14:08:10,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:08:10,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280914041] [2024-12-02 14:08:10,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280914041] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:08:10,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935052352] [2024-12-02 14:08:10,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:08:10,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:08:10,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:08:10,254 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:08:10,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 14:08:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:08:10,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 14:08:10,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:08:12,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:08:12,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 35 [2024-12-02 14:08:12,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:08:13,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:08:13,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:08:13,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:08:13,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:08:13,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:08:13,052 INFO L349 Elim1Store]: treesize reduction 72, result has 26.5 percent of original size [2024-12-02 14:08:13,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 45 [2024-12-02 14:08:13,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:08:13,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:08:13,088 INFO L349 Elim1Store]: treesize reduction 8, result has 75.8 percent of original size [2024-12-02 14:08:13,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 53 [2024-12-02 14:08:13,130 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 99 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:08:13,131 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:08:13,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935052352] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:08:13,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:08:13,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 16 [2024-12-02 14:08:13,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774105364] [2024-12-02 14:08:13,269 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:08:13,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 14:08:13,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:08:13,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 14:08:13,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:08:13,270 INFO L87 Difference]: Start difference. First operand 254 states and 326 transitions. Second operand has 16 states, 13 states have (on average 6.230769230769231) internal successors, (81), 14 states have internal predecessors, (81), 6 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 14:08:14,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:08:14,613 INFO L93 Difference]: Finished difference Result 420 states and 539 transitions. [2024-12-02 14:08:14,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 14:08:14,614 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 6.230769230769231) internal successors, (81), 14 states have internal predecessors, (81), 6 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 6 states have call successors, (28) Word has length 116 [2024-12-02 14:08:14,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:08:14,616 INFO L225 Difference]: With dead ends: 420 [2024-12-02 14:08:14,616 INFO L226 Difference]: Without dead ends: 169 [2024-12-02 14:08:14,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 139 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2024-12-02 14:08:14,617 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 77 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:08:14,618 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 359 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:08:14,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-12-02 14:08:14,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 167. [2024-12-02 14:08:14,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 147 states have (on average 1.2312925170068028) internal successors, (181), 148 states have internal predecessors, (181), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 14:08:14,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 213 transitions. [2024-12-02 14:08:14,677 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 213 transitions. Word has length 116 [2024-12-02 14:08:14,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:08:14,677 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 213 transitions. [2024-12-02 14:08:14,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 6.230769230769231) internal successors, (81), 14 states have internal predecessors, (81), 6 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 14:08:14,678 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 213 transitions. [2024-12-02 14:08:14,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 14:08:14,679 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:08:14,679 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:08:14,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 14:08:14,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:08:14,879 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:08:14,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:08:14,880 INFO L85 PathProgramCache]: Analyzing trace with hash -721049333, now seen corresponding path program 1 times [2024-12-02 14:08:14,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:08:14,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934492744] [2024-12-02 14:08:14,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:08:14,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:08:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:08:15,435 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:08:15,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:08:15,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934492744] [2024-12-02 14:08:15,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934492744] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:08:15,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:08:15,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:08:15,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411021684] [2024-12-02 14:08:15,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:08:15,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:08:15,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:08:15,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:08:15,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:08:15,437 INFO L87 Difference]: Start difference. First operand 167 states and 213 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:08:15,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:08:15,826 INFO L93 Difference]: Finished difference Result 331 states and 423 transitions. [2024-12-02 14:08:15,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:08:15,826 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2024-12-02 14:08:15,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:08:15,827 INFO L225 Difference]: With dead ends: 331 [2024-12-02 14:08:15,827 INFO L226 Difference]: Without dead ends: 167 [2024-12-02 14:08:15,828 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:08:15,828 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 131 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:08:15,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 172 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:08:15,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-12-02 14:08:15,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2024-12-02 14:08:15,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 147 states have (on average 1.2040816326530612) internal successors, (177), 148 states have internal predecessors, (177), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 14:08:15,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 209 transitions. [2024-12-02 14:08:15,868 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 209 transitions. Word has length 117 [2024-12-02 14:08:15,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:08:15,868 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 209 transitions. [2024-12-02 14:08:15,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:08:15,869 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 209 transitions. [2024-12-02 14:08:15,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 14:08:15,870 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:08:15,870 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:08:15,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 14:08:15,870 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:08:15,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:08:15,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1129079964, now seen corresponding path program 1 times [2024-12-02 14:08:15,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:08:15,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985279324] [2024-12-02 14:08:15,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:08:15,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:08:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:08:18,454 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:08:18,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:08:18,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985279324] [2024-12-02 14:08:18,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985279324] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:08:18,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:08:18,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 14:08:18,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186062873] [2024-12-02 14:08:18,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:08:18,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 14:08:18,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:08:18,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 14:08:18,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:08:18,456 INFO L87 Difference]: Start difference. First operand 167 states and 209 transitions. Second operand has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2024-12-02 14:08:19,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:08:19,495 INFO L93 Difference]: Finished difference Result 177 states and 220 transitions. [2024-12-02 14:08:19,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 14:08:19,495 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) Word has length 119 [2024-12-02 14:08:19,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:08:19,496 INFO L225 Difference]: With dead ends: 177 [2024-12-02 14:08:19,496 INFO L226 Difference]: Without dead ends: 175 [2024-12-02 14:08:19,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-12-02 14:08:19,497 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 287 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:08:19,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 235 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:08:19,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-12-02 14:08:19,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2024-12-02 14:08:19,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 153 states have (on average 1.196078431372549) internal successors, (183), 154 states have internal predecessors, (183), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 14:08:19,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 215 transitions. [2024-12-02 14:08:19,533 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 215 transitions. Word has length 119 [2024-12-02 14:08:19,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:08:19,533 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 215 transitions. [2024-12-02 14:08:19,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2024-12-02 14:08:19,533 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 215 transitions. [2024-12-02 14:08:19,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 14:08:19,534 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:08:19,534 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:08:19,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 14:08:19,535 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:08:19,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:08:19,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1127232922, now seen corresponding path program 1 times [2024-12-02 14:08:19,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:08:19,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714074999] [2024-12-02 14:08:19,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:08:19,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:08:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:08:21,212 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:08:21,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:08:21,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714074999] [2024-12-02 14:08:21,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714074999] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:08:21,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:08:21,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 14:08:21,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654223511] [2024-12-02 14:08:21,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:08:21,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 14:08:21,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:08:21,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 14:08:21,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:08:21,214 INFO L87 Difference]: Start difference. First operand 173 states and 215 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:08:21,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:08:21,929 INFO L93 Difference]: Finished difference Result 345 states and 429 transitions. [2024-12-02 14:08:21,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 14:08:21,929 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2024-12-02 14:08:21,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:08:21,931 INFO L225 Difference]: With dead ends: 345 [2024-12-02 14:08:21,931 INFO L226 Difference]: Without dead ends: 175 [2024-12-02 14:08:21,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-12-02 14:08:21,932 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 186 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:08:21,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 203 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:08:21,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-12-02 14:08:21,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2024-12-02 14:08:21,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 153 states have (on average 1.1830065359477124) internal successors, (181), 154 states have internal predecessors, (181), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 14:08:21,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 213 transitions. [2024-12-02 14:08:21,981 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 213 transitions. Word has length 119 [2024-12-02 14:08:21,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:08:21,982 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 213 transitions. [2024-12-02 14:08:21,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:08:21,982 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 213 transitions. [2024-12-02 14:08:21,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 14:08:21,983 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:08:21,983 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:08:21,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 14:08:21,983 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:08:21,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:08:21,984 INFO L85 PathProgramCache]: Analyzing trace with hash 647774440, now seen corresponding path program 1 times [2024-12-02 14:08:21,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:08:21,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056277598] [2024-12-02 14:08:21,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:08:21,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:08:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:08:23,279 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:08:23,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:08:23,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056277598] [2024-12-02 14:08:23,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056277598] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:08:23,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:08:23,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 14:08:23,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907436892] [2024-12-02 14:08:23,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:08:23,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 14:08:23,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:08:23,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 14:08:23,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:08:23,281 INFO L87 Difference]: Start difference. First operand 173 states and 213 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:08:23,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:08:23,861 INFO L93 Difference]: Finished difference Result 343 states and 423 transitions. [2024-12-02 14:08:23,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:08:23,861 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2024-12-02 14:08:23,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:08:23,863 INFO L225 Difference]: With dead ends: 343 [2024-12-02 14:08:23,864 INFO L226 Difference]: Without dead ends: 173 [2024-12-02 14:08:23,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:08:23,865 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 259 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:08:23,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 162 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:08:23,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-12-02 14:08:23,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2024-12-02 14:08:23,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 153 states have (on average 1.1699346405228759) internal successors, (179), 154 states have internal predecessors, (179), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 14:08:23,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 211 transitions. [2024-12-02 14:08:23,902 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 211 transitions. Word has length 119 [2024-12-02 14:08:23,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:08:23,903 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 211 transitions. [2024-12-02 14:08:23,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:08:23,903 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 211 transitions. [2024-12-02 14:08:23,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 14:08:23,904 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:08:23,904 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:08:23,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 14:08:23,904 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:08:23,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:08:23,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1919891586, now seen corresponding path program 1 times [2024-12-02 14:08:23,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:08:23,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735003270] [2024-12-02 14:08:23,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:08:23,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:08:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 14:08:23,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1084891307] [2024-12-02 14:08:23,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:08:23,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:08:23,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:08:23,994 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:08:23,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 14:08:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:08:24,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-02 14:08:24,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:08:24,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2024-12-02 14:08:24,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 53 [2024-12-02 14:08:27,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:08:27,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:08:27,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:08:27,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:08:27,671 INFO L349 Elim1Store]: treesize reduction 72, result has 35.1 percent of original size [2024-12-02 14:08:27,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 7 case distinctions, treesize of input 43 treesize of output 73 [2024-12-02 14:08:27,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:08:27,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-12-02 14:08:27,945 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:08:27,945 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:08:27,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:08:27,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735003270] [2024-12-02 14:08:27,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 14:08:27,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084891307] [2024-12-02 14:08:27,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084891307] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:08:27,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:08:27,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 14:08:27,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827206120] [2024-12-02 14:08:27,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:08:27,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 14:08:27,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:08:27,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 14:08:27,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:08:27,949 INFO L87 Difference]: Start difference. First operand 173 states and 211 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:08:28,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:08:28,941 INFO L93 Difference]: Finished difference Result 580 states and 704 transitions. [2024-12-02 14:08:28,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:08:28,941 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 120 [2024-12-02 14:08:28,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:08:28,943 INFO L225 Difference]: With dead ends: 580 [2024-12-02 14:08:28,943 INFO L226 Difference]: Without dead ends: 410 [2024-12-02 14:08:28,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:08:28,945 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 191 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:08:28,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 365 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 14:08:28,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-12-02 14:08:29,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 256. [2024-12-02 14:08:29,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 220 states have (on average 1.1727272727272726) internal successors, (258), 221 states have internal predecessors, (258), 30 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 14:08:29,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 318 transitions. [2024-12-02 14:08:29,047 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 318 transitions. Word has length 120 [2024-12-02 14:08:29,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:08:29,047 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 318 transitions. [2024-12-02 14:08:29,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:08:29,048 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 318 transitions. [2024-12-02 14:08:29,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 14:08:29,048 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:08:29,049 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:08:29,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 14:08:29,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:08:29,249 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:08:29,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:08:29,250 INFO L85 PathProgramCache]: Analyzing trace with hash 293814618, now seen corresponding path program 1 times [2024-12-02 14:08:29,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:08:29,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027412696] [2024-12-02 14:08:29,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:08:29,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:08:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:08:29,565 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:08:29,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:08:29,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027412696] [2024-12-02 14:08:29,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027412696] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:08:29,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:08:29,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 14:08:29,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740402415] [2024-12-02 14:08:29,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:08:29,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:08:29,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:08:29,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:08:29,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:08:29,567 INFO L87 Difference]: Start difference. First operand 256 states and 318 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:08:30,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:08:30,035 INFO L93 Difference]: Finished difference Result 524 states and 647 transitions. [2024-12-02 14:08:30,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 14:08:30,036 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 120 [2024-12-02 14:08:30,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:08:30,037 INFO L225 Difference]: With dead ends: 524 [2024-12-02 14:08:30,037 INFO L226 Difference]: Without dead ends: 354 [2024-12-02 14:08:30,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:08:30,038 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 129 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:08:30,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 563 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:08:30,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-12-02 14:08:30,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 298. [2024-12-02 14:08:30,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 262 states have (on average 1.1717557251908397) internal successors, (307), 263 states have internal predecessors, (307), 30 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 14:08:30,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 367 transitions. [2024-12-02 14:08:30,129 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 367 transitions. Word has length 120 [2024-12-02 14:08:30,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:08:30,129 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 367 transitions. [2024-12-02 14:08:30,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:08:30,129 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 367 transitions. [2024-12-02 14:08:30,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 14:08:30,130 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:08:30,130 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:08:30,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 14:08:30,130 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:08:30,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:08:30,130 INFO L85 PathProgramCache]: Analyzing trace with hash 710658479, now seen corresponding path program 1 times [2024-12-02 14:08:30,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:08:30,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318837961] [2024-12-02 14:08:30,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:08:30,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:08:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 14:08:30,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [754075159] [2024-12-02 14:08:30,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:08:30,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:08:30,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:08:30,246 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:08:30,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 14:08:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:08:30,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-12-02 14:08:30,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:08:30,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2024-12-02 14:08:31,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 53 [2024-12-02 14:08:32,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:08:32,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:08:33,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:08:34,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:08:35,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:08:36,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:08:36,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:08:37,177 INFO L349 Elim1Store]: treesize reduction 329, result has 25.1 percent of original size [2024-12-02 14:08:37,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 76 treesize of output 178 [2024-12-02 14:08:37,594 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:08:37,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 52 [2024-12-02 14:08:37,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:08:37,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:08:37,730 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 14:08:37,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2024-12-02 14:08:37,792 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-02 14:08:37,911 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-02 14:08:38,837 INFO L349 Elim1Store]: treesize reduction 96, result has 41.8 percent of original size [2024-12-02 14:08:38,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 122 treesize of output 170 [2024-12-02 14:08:42,566 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 9 treesize of output 7 [2024-12-02 14:08:42,580 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 9 treesize of output 7 [2024-12-02 14:08:42,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 14:08:42,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:08:42,983 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-02 14:08:42,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 22 [2024-12-02 14:08:43,056 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 9 treesize of output 7 [2024-12-02 14:08:43,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:08:43,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 14:08:43,413 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 9 treesize of output 7 [2024-12-02 14:08:43,730 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 9 treesize of output 7 [2024-12-02 14:08:43,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 244 treesize of output 206 [2024-12-02 14:08:43,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:08:43,999 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:08:43,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 206 treesize of output 248 [2024-12-02 14:09:02,739 INFO L349 Elim1Store]: treesize reduction 672, result has 23.4 percent of original size [2024-12-02 14:09:02,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 90 case distinctions, treesize of input 463 treesize of output 593 [2024-12-02 14:09:14,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:14,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:14,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 14:09:14,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:14,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:14,473 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:09:14,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 81 [2024-12-02 14:09:14,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:14,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:14,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 14:09:14,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:14,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:14,788 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-02 14:09:14,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 28 [2024-12-02 14:09:14,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:14,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:14,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:14,816 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-02 14:09:14,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 29 [2024-12-02 14:09:14,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:14,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:14,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 14:09:14,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:14,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:14,930 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:09:14,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 101 [2024-12-02 14:09:15,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:15,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:15,207 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-02 14:09:15,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 28 [2024-12-02 14:09:15,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:15,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:15,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:15,255 INFO L349 Elim1Store]: treesize reduction 45, result has 8.2 percent of original size [2024-12-02 14:09:15,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 39 [2024-12-02 14:09:15,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:15,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:15,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-12-02 14:09:15,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:15,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:15,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 14:09:15,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:15,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:15,417 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:09:15,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 85 [2024-12-02 14:09:15,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:15,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:15,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 14:09:15,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:15,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:15,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 14:09:15,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:15,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:15,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-12-02 14:09:16,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:16,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:16,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-12-02 14:09:16,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:16,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:16,462 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-02 14:09:16,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 28 [2024-12-02 14:09:16,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:16,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:16,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-12-02 14:09:16,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:16,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:16,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:16,909 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-02 14:09:16,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 32 [2024-12-02 14:09:17,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:17,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:17,041 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-02 14:09:17,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 28 [2024-12-02 14:09:17,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2024-12-02 14:09:17,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:17,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:09:17,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2024-12-02 14:09:17,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:09:17,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:09:17,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 28 [2024-12-02 14:09:17,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2024-12-02 14:09:17,876 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 14:09:17,876 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:09:50,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:09:50,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318837961] [2024-12-02 14:09:50,057 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 14:09:50,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754075159] [2024-12-02 14:09:50,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754075159] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:09:50,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:09:50,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-12-02 14:09:50,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6418479] [2024-12-02 14:09:50,057 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 14:09:50,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 14:09:50,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:09:50,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 14:09:50,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=224, Unknown=7, NotChecked=0, Total=306 [2024-12-02 14:09:50,058 INFO L87 Difference]: Start difference. First operand 298 states and 367 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 10 states have internal predecessors, (57), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:09:51,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:09:51,429 INFO L93 Difference]: Finished difference Result 616 states and 739 transitions. [2024-12-02 14:09:51,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:09:51,430 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 10 states have internal predecessors, (57), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 121 [2024-12-02 14:09:51,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:09:51,431 INFO L225 Difference]: With dead ends: 616 [2024-12-02 14:09:51,432 INFO L226 Difference]: Without dead ends: 419 [2024-12-02 14:09:51,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 32.1s TimeCoverageRelationStatistics Valid=135, Invalid=320, Unknown=7, NotChecked=0, Total=462 [2024-12-02 14:09:51,433 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 226 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 14:09:51,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 357 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 14:09:51,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-12-02 14:09:51,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 338. [2024-12-02 14:09:51,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 302 states have (on average 1.1655629139072847) internal successors, (352), 303 states have internal predecessors, (352), 30 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 14:09:51,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 412 transitions. [2024-12-02 14:09:51,544 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 412 transitions. Word has length 121 [2024-12-02 14:09:51,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:09:51,545 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 412 transitions. [2024-12-02 14:09:51,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 10 states have internal predecessors, (57), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:09:51,545 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 412 transitions. [2024-12-02 14:09:51,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 14:09:51,545 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:09:51,546 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:09:51,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 14:09:51,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:09:51,746 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:09:51,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:09:51,747 INFO L85 PathProgramCache]: Analyzing trace with hash 2088738115, now seen corresponding path program 1 times [2024-12-02 14:09:51,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:09:51,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632566106] [2024-12-02 14:09:51,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:09:51,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:09:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:09:54,771 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:09:54,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:09:54,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632566106] [2024-12-02 14:09:54,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632566106] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:09:54,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:09:54,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 14:09:54,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094501198] [2024-12-02 14:09:54,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:09:54,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 14:09:54,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:09:54,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 14:09:54,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:09:54,773 INFO L87 Difference]: Start difference. First operand 338 states and 412 transitions. Second operand has 17 states, 16 states have (on average 3.4375) internal successors, (55), 17 states have internal predecessors, (55), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-12-02 14:09:56,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:09:56,866 INFO L93 Difference]: Finished difference Result 631 states and 759 transitions. [2024-12-02 14:09:56,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 14:09:56,867 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.4375) internal successors, (55), 17 states have internal predecessors, (55), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 122 [2024-12-02 14:09:56,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:09:56,868 INFO L225 Difference]: With dead ends: 631 [2024-12-02 14:09:56,868 INFO L226 Difference]: Without dead ends: 434 [2024-12-02 14:09:56,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2024-12-02 14:09:56,869 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 318 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:09:56,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 500 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 14:09:56,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-12-02 14:09:56,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 382. [2024-12-02 14:09:56,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 346 states have (on average 1.1647398843930636) internal successors, (403), 347 states have internal predecessors, (403), 30 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 14:09:56,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 463 transitions. [2024-12-02 14:09:56,946 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 463 transitions. Word has length 122 [2024-12-02 14:09:56,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:09:56,946 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 463 transitions. [2024-12-02 14:09:56,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.4375) internal successors, (55), 17 states have internal predecessors, (55), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-12-02 14:09:56,946 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 463 transitions. [2024-12-02 14:09:56,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 14:09:56,947 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:09:56,947 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:09:56,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 14:09:56,947 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:09:56,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:09:56,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1501932101, now seen corresponding path program 1 times [2024-12-02 14:09:56,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:09:56,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709108386] [2024-12-02 14:09:56,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:09:56,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:09:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 14:09:57,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [847565709] [2024-12-02 14:09:57,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:09:57,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:09:57,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:09:57,082 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:09:57,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 14:09:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:09:57,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-12-02 14:09:57,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:10:02,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:10:03,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:10:03,999 INFO L349 Elim1Store]: treesize reduction 79, result has 18.6 percent of original size [2024-12-02 14:10:03,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 110 [2024-12-02 14:10:04,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:04,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:04,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:04,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:04,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:04,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:04,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:04,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:04,173 INFO L349 Elim1Store]: treesize reduction 83, result has 37.6 percent of original size [2024-12-02 14:10:04,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 120 [2024-12-02 14:10:04,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:04,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:04,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:04,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:04,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:04,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:04,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:04,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:04,494 INFO L349 Elim1Store]: treesize reduction 204, result has 24.2 percent of original size [2024-12-02 14:10:04,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 41 treesize of output 135 [2024-12-02 14:10:05,016 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 61 [2024-12-02 14:10:05,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:05,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:05,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:05,045 INFO L349 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2024-12-02 14:10:05,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 61 treesize of output 36 [2024-12-02 14:10:05,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:05,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:05,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-12-02 14:10:05,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:05,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:05,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-12-02 14:10:05,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:05,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:05,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:05,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 45 [2024-12-02 14:10:07,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:07,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:07,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:10:07,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 33 [2024-12-02 14:10:07,495 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 14:10:07,495 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:11:03,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:11:03,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709108386] [2024-12-02 14:11:03,100 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 14:11:03,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847565709] [2024-12-02 14:11:03,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847565709] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:11:03,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:11:03,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-12-02 14:11:03,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549975262] [2024-12-02 14:11:03,100 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 14:11:03,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 14:11:03,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:11:03,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 14:11:03,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=200, Unknown=9, NotChecked=0, Total=272 [2024-12-02 14:11:03,101 INFO L87 Difference]: Start difference. First operand 382 states and 463 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:11:12,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 14:11:14,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:11:14,348 INFO L93 Difference]: Finished difference Result 637 states and 764 transitions. [2024-12-02 14:11:14,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:11:14,348 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 122 [2024-12-02 14:11:14,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:11:14,350 INFO L225 Difference]: With dead ends: 637 [2024-12-02 14:11:14,351 INFO L226 Difference]: Without dead ends: 436 [2024-12-02 14:11:14,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 56.5s TimeCoverageRelationStatistics Valid=121, Invalid=290, Unknown=9, NotChecked=0, Total=420 [2024-12-02 14:11:14,352 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 296 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:11:14,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 273 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 484 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2024-12-02 14:11:14,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-12-02 14:11:14,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 386. [2024-12-02 14:11:14,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 349 states have (on average 1.157593123209169) internal successors, (404), 350 states have internal predecessors, (404), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 14:11:14,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 464 transitions. [2024-12-02 14:11:14,465 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 464 transitions. Word has length 122 [2024-12-02 14:11:14,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:11:14,465 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 464 transitions. [2024-12-02 14:11:14,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:11:14,466 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 464 transitions. [2024-12-02 14:11:14,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 14:11:14,466 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:11:14,467 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:11:14,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-12-02 14:11:14,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:11:14,667 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:11:14,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:11:14,668 INFO L85 PathProgramCache]: Analyzing trace with hash -2065680571, now seen corresponding path program 1 times [2024-12-02 14:11:14,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:11:14,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678766319] [2024-12-02 14:11:14,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:11:14,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:11:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 14:11:14,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [656352229] [2024-12-02 14:11:14,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:11:14,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:11:14,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:11:14,754 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:11:14,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 14:11:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:11:15,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-12-02 14:11:15,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:11:20,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:11:21,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:11:22,110 INFO L349 Elim1Store]: treesize reduction 79, result has 18.6 percent of original size [2024-12-02 14:11:22,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 110 [2024-12-02 14:11:22,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 28 [2024-12-02 14:11:22,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:22,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:22,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:22,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:22,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:22,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:22,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:22,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:22,484 INFO L349 Elim1Store]: treesize reduction 273, result has 22.7 percent of original size [2024-12-02 14:11:22,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 102 treesize of output 233 [2024-12-02 14:11:23,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:23,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:23,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:23,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:23,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:23,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:24,040 INFO L349 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2024-12-02 14:11:24,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 163 treesize of output 176 [2024-12-02 14:11:24,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:24,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:24,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:24,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:24,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:24,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:24,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:24,892 INFO L349 Elim1Store]: treesize reduction 308, result has 16.3 percent of original size [2024-12-02 14:11:24,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 8 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 395 treesize of output 420 [2024-12-02 14:11:40,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:40,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:40,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-12-02 14:11:40,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:40,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:40,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-12-02 14:11:40,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:40,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:40,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:11:40,704 INFO L349 Elim1Store]: treesize reduction 61, result has 10.3 percent of original size [2024-12-02 14:11:40,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 52 [2024-12-02 14:11:41,289 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 14:11:41,289 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:12:49,502 WARN L851 $PredicateComparison]: unable to prove that (forall ((~WrapperStruct00_var_1_7_Pointer~0.offset Int) (~WrapperStruct00_var_1_14_Pointer~0.base Int) (v_ArrVal_1412 Int) (~WrapperStruct00_var_1_14_Pointer~0.offset Int) (|ULTIMATE.start_step_#t~ite14#1| Int) (~WrapperStruct00_var_1_7_Pointer~0.base Int)) (let ((.cse0 (let ((.cse2 (let ((.cse3 (let ((.cse4 (let ((.cse5 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base (store (select |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset (select (select |c_#memory_int#1| c_~WrapperStruct00_var_1_8_Pointer~0.base) c_~WrapperStruct00_var_1_8_Pointer~0.offset))))) (store .cse5 c_~WrapperStruct00_var_1_13_Pointer~0.base (store (select .cse5 c_~WrapperStruct00_var_1_13_Pointer~0.base) c_~WrapperStruct00_var_1_13_Pointer~0.offset (select (select .cse5 ~WrapperStruct00_var_1_14_Pointer~0.base) ~WrapperStruct00_var_1_14_Pointer~0.offset)))))) (store .cse4 c_~WrapperStruct00_var_1_15_Pointer~0.base (store (select .cse4 c_~WrapperStruct00_var_1_15_Pointer~0.base) c_~WrapperStruct00_var_1_15_Pointer~0.offset (select (select .cse4 c_~WrapperStruct00_var_1_9_Pointer~0.base) c_~WrapperStruct00_var_1_9_Pointer~0.offset)))))) (store .cse3 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse3 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset |ULTIMATE.start_step_#t~ite14#1|))))) (store .cse2 c_~WrapperStruct00_var_1_5_Pointer~0.base (store (select .cse2 c_~WrapperStruct00_var_1_5_Pointer~0.base) c_~WrapperStruct00_var_1_5_Pointer~0.offset v_ArrVal_1412))))) (or (< (mod (+ (select (select .cse0 c_~WrapperStruct00_var_1_9_Pointer~0.base) c_~WrapperStruct00_var_1_9_Pointer~0.offset) 4294967295) 4294967296) (+ (mod (* (select (select .cse0 c_~WrapperStruct00_var_1_15_Pointer~0.base) c_~WrapperStruct00_var_1_15_Pointer~0.offset) (select (select .cse0 c_~WrapperStruct00_var_1_8_Pointer~0.base) c_~WrapperStruct00_var_1_8_Pointer~0.offset)) 4294967296) 1)) (let ((.cse1 (store .cse0 c_~WrapperStruct00_var_1_10_Pointer~0.base (store (select .cse0 c_~WrapperStruct00_var_1_10_Pointer~0.base) c_~WrapperStruct00_var_1_10_Pointer~0.offset (select (select .cse0 ~WrapperStruct00_var_1_7_Pointer~0.base) ~WrapperStruct00_var_1_7_Pointer~0.offset))))) (< (mod (* (select (select .cse1 c_~WrapperStruct00_var_1_15_Pointer~0.base) c_~WrapperStruct00_var_1_15_Pointer~0.offset) (select (select .cse1 c_~WrapperStruct00_var_1_8_Pointer~0.base) c_~WrapperStruct00_var_1_8_Pointer~0.offset)) 4294967296) (mod (+ 4294967295 (select (select .cse1 c_~WrapperStruct00_var_1_9_Pointer~0.base) c_~WrapperStruct00_var_1_9_Pointer~0.offset)) 4294967296)))))) is different from false [2024-12-02 14:12:50,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:12:50,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678766319] [2024-12-02 14:12:50,498 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 14:12:50,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656352229] [2024-12-02 14:12:50,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656352229] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:12:50,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:12:50,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-12-02 14:12:50,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347304926] [2024-12-02 14:12:50,498 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 14:12:50,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 14:12:50,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:12:50,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 14:12:50,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=176, Unknown=11, NotChecked=28, Total=272 [2024-12-02 14:12:50,499 INFO L87 Difference]: Start difference. First operand 386 states and 464 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:12:52,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:12:52,861 INFO L93 Difference]: Finished difference Result 685 states and 816 transitions. [2024-12-02 14:12:52,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:12:52,862 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 122 [2024-12-02 14:12:52,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:12:52,864 INFO L225 Difference]: With dead ends: 685 [2024-12-02 14:12:52,864 INFO L226 Difference]: Without dead ends: 480 [2024-12-02 14:12:52,865 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 68.3s TimeCoverageRelationStatistics Valid=111, Invalid=262, Unknown=11, NotChecked=36, Total=420 [2024-12-02 14:12:52,865 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 308 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:12:52,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 212 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 14:12:52,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-12-02 14:12:52,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 428. [2024-12-02 14:12:52,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 391 states have (on average 1.1585677749360614) internal successors, (453), 392 states have internal predecessors, (453), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 14:12:52,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 513 transitions. [2024-12-02 14:12:52,947 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 513 transitions. Word has length 122 [2024-12-02 14:12:52,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:12:52,947 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 513 transitions. [2024-12-02 14:12:52,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:12:52,947 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 513 transitions. [2024-12-02 14:12:52,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 14:12:52,948 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:12:52,949 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:12:52,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-12-02 14:12:53,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-12-02 14:12:53,149 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:12:53,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:12:53,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1642480711, now seen corresponding path program 1 times [2024-12-02 14:12:53,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:12:53,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102602996] [2024-12-02 14:12:53,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:12:53,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:12:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:12:53,491 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:12:53,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:12:53,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102602996] [2024-12-02 14:12:53,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102602996] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:12:53,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:12:53,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:12:53,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786608856] [2024-12-02 14:12:53,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:12:53,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:12:53,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:12:53,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:12:53,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:12:53,494 INFO L87 Difference]: Start difference. First operand 428 states and 513 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:12:54,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:12:54,088 INFO L93 Difference]: Finished difference Result 733 states and 871 transitions. [2024-12-02 14:12:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 14:12:54,089 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 122 [2024-12-02 14:12:54,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:12:54,091 INFO L225 Difference]: With dead ends: 733 [2024-12-02 14:12:54,091 INFO L226 Difference]: Without dead ends: 486 [2024-12-02 14:12:54,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:12:54,091 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 145 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:12:54,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 432 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:12:54,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-12-02 14:12:54,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 428. [2024-12-02 14:12:54,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 391 states have (on average 1.1585677749360614) internal successors, (453), 392 states have internal predecessors, (453), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 14:12:54,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 513 transitions. [2024-12-02 14:12:54,185 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 513 transitions. Word has length 122 [2024-12-02 14:12:54,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:12:54,186 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 513 transitions. [2024-12-02 14:12:54,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:12:54,186 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 513 transitions. [2024-12-02 14:12:54,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 14:12:54,187 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:12:54,187 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:12:54,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 14:12:54,187 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:12:54,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:12:54,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1581153586, now seen corresponding path program 1 times [2024-12-02 14:12:54,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:12:54,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759142720] [2024-12-02 14:12:54,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:12:54,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:12:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:00,224 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:13:00,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:00,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759142720] [2024-12-02 14:13:00,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759142720] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:00,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:00,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-12-02 14:13:00,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123564400] [2024-12-02 14:13:00,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:00,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 14:13:00,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:00,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 14:13:00,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2024-12-02 14:13:00,227 INFO L87 Difference]: Start difference. First operand 428 states and 513 transitions. Second operand has 19 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 19 states have internal predecessors, (57), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-12-02 14:13:04,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:04,786 INFO L93 Difference]: Finished difference Result 776 states and 935 transitions. [2024-12-02 14:13:04,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 14:13:04,787 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 19 states have internal predecessors, (57), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 124 [2024-12-02 14:13:04,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:04,788 INFO L225 Difference]: With dead ends: 776 [2024-12-02 14:13:04,788 INFO L226 Difference]: Without dead ends: 514 [2024-12-02 14:13:04,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=177, Invalid=635, Unknown=0, NotChecked=0, Total=812 [2024-12-02 14:13:04,789 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 257 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:13:04,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 503 Invalid, 1227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-12-02 14:13:04,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-12-02 14:13:04,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 428. [2024-12-02 14:13:04,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 391 states have (on average 1.143222506393862) internal successors, (447), 392 states have internal predecessors, (447), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 14:13:04,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 507 transitions. [2024-12-02 14:13:04,867 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 507 transitions. Word has length 124 [2024-12-02 14:13:04,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:04,868 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 507 transitions. [2024-12-02 14:13:04,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 19 states have internal predecessors, (57), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-12-02 14:13:04,868 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 507 transitions. [2024-12-02 14:13:04,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 14:13:04,869 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:04,869 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:04,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 14:13:04,869 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:13:04,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:04,869 INFO L85 PathProgramCache]: Analyzing trace with hash 387415666, now seen corresponding path program 1 times [2024-12-02 14:13:04,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:04,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162758088] [2024-12-02 14:13:04,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:04,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:06,564 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:13:06,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:06,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162758088] [2024-12-02 14:13:06,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162758088] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:06,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:06,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 14:13:06,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242032569] [2024-12-02 14:13:06,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:06,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 14:13:06,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:06,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 14:13:06,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:13:06,565 INFO L87 Difference]: Start difference. First operand 428 states and 507 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:13:08,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:08,401 INFO L93 Difference]: Finished difference Result 738 states and 876 transitions. [2024-12-02 14:13:08,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:13:08,401 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 124 [2024-12-02 14:13:08,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:08,403 INFO L225 Difference]: With dead ends: 738 [2024-12-02 14:13:08,403 INFO L226 Difference]: Without dead ends: 464 [2024-12-02 14:13:08,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:13:08,404 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 139 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:13:08,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 355 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 14:13:08,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-12-02 14:13:08,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 428. [2024-12-02 14:13:08,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 391 states have (on average 1.1278772378516624) internal successors, (441), 392 states have internal predecessors, (441), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 14:13:08,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 501 transitions. [2024-12-02 14:13:08,480 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 501 transitions. Word has length 124 [2024-12-02 14:13:08,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:08,480 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 501 transitions. [2024-12-02 14:13:08,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:13:08,481 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 501 transitions. [2024-12-02 14:13:08,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 14:13:08,481 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:08,481 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:08,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 14:13:08,481 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:13:08,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:08,482 INFO L85 PathProgramCache]: Analyzing trace with hash -643756470, now seen corresponding path program 1 times [2024-12-02 14:13:08,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:08,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88622668] [2024-12-02 14:13:08,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:08,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:11,077 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 14:13:11,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:11,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88622668] [2024-12-02 14:13:11,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88622668] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:13:11,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663312524] [2024-12-02 14:13:11,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:11,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:13:11,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:13:11,080 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:13:11,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 14:13:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:11,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-12-02 14:13:11,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:13:12,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:13:13,956 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 25 treesize of output 13 [2024-12-02 14:13:14,965 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 25 treesize of output 13 [2024-12-02 14:13:15,966 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 25 treesize of output 13 [2024-12-02 14:13:16,953 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 25 treesize of output 13 [2024-12-02 14:13:17,957 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 25 treesize of output 13 [2024-12-02 14:13:19,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:19,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:19,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:19,503 INFO L349 Elim1Store]: treesize reduction 449, result has 23.8 percent of original size [2024-12-02 14:13:19,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 86 treesize of output 213 [2024-12-02 14:13:22,925 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-02 14:13:23,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2024-12-02 14:13:23,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:23,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:23,048 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:13:23,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2024-12-02 14:13:23,202 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2024-12-02 14:13:23,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 93 treesize of output 94 [2024-12-02 14:13:23,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:23,414 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-02 14:13:23,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 22 [2024-12-02 14:13:23,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:23,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 14:13:23,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:23,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 14:13:23,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:23,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:23,545 INFO L349 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2024-12-02 14:13:23,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 37 [2024-12-02 14:13:23,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:23,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:23,647 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:13:23,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2024-12-02 14:13:23,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:23,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:23,707 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:13:23,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2024-12-02 14:13:23,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:23,771 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-02 14:13:23,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 22 [2024-12-02 14:13:23,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:23,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 14:13:23,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:23,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 14:13:23,946 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2024-12-02 14:13:23,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 103 [2024-12-02 14:13:24,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:24,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:24,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:24,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:24,184 INFO L349 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2024-12-02 14:13:24,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 39 [2024-12-02 14:13:24,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:24,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:24,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:24,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:24,242 INFO L349 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2024-12-02 14:13:24,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 39 [2024-12-02 14:13:24,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:24,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:24,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:24,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:24,310 INFO L349 Elim1Store]: treesize reduction 29, result has 29.3 percent of original size [2024-12-02 14:13:24,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 54 [2024-12-02 14:13:24,398 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-02 14:13:24,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2024-12-02 14:13:24,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:24,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 14:13:24,761 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2024-12-02 14:13:24,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 78 [2024-12-02 14:13:24,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:24,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 14:13:24,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:24,879 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:13:24,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 71 [2024-12-02 14:13:25,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 32 [2024-12-02 14:13:25,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:25,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:25,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2024-12-02 14:13:25,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 44 [2024-12-02 14:13:25,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:25,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:25,251 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 14:13:25,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:25,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2024-12-02 14:13:26,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:26,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:26,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:26,718 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-02 14:13:26,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 37 [2024-12-02 14:13:30,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:30,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:30,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:30,257 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2024-12-02 14:13:30,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 57 [2024-12-02 14:13:32,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:32,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:32,374 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-02 14:13:32,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 27 [2024-12-02 14:13:35,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:35,544 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 25 treesize of output 13 [2024-12-02 14:13:35,799 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2024-12-02 14:13:35,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 96 [2024-12-02 14:13:36,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:36,394 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 166 [2024-12-02 14:13:36,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:36,634 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 65 [2024-12-02 14:13:36,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:13:36,932 INFO L349 Elim1Store]: treesize reduction 48, result has 39.2 percent of original size [2024-12-02 14:13:36,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 5 case distinctions, treesize of input 75 treesize of output 73 [2024-12-02 14:13:37,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 14:13:37,125 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 113 proven. 120 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-12-02 14:13:37,126 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:13:38,190 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int#1| c_~WrapperStruct00_var_1_5_Pointer~0.base))) (and (forall ((v_ArrVal_1631 Int) (v_ArrVal_1629 (Array Int Int))) (let ((.cse1 (select v_ArrVal_1629 c_~WrapperStruct00_var_1_5_Pointer~0.offset))) (or (< (mod (select (select (let ((.cse0 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_5_Pointer~0.base v_ArrVal_1629))) (store .cse0 c_~WrapperStruct00_var_1_10_Pointer~0.base (store (select .cse0 c_~WrapperStruct00_var_1_10_Pointer~0.base) c_~WrapperStruct00_var_1_10_Pointer~0.offset v_ArrVal_1631))) c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 4294967296) 4294967289) (< (+ 128 .cse1) 0) (< 0 (+ .cse1 1)) (not (= v_ArrVal_1629 (store .cse2 c_~WrapperStruct00_var_1_5_Pointer~0.offset .cse1)))))) (forall ((v_ArrVal_1631 Int) (v_ArrVal_1629 (Array Int Int))) (let ((.cse4 (select v_ArrVal_1629 c_~WrapperStruct00_var_1_5_Pointer~0.offset))) (or (< (mod (select (select (let ((.cse3 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_5_Pointer~0.base v_ArrVal_1629))) (store .cse3 c_~WrapperStruct00_var_1_10_Pointer~0.base (store (select .cse3 c_~WrapperStruct00_var_1_10_Pointer~0.base) c_~WrapperStruct00_var_1_10_Pointer~0.offset v_ArrVal_1631))) c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 4294967296) 4294967289) (< 127 .cse4) (not (= v_ArrVal_1629 (store .cse2 c_~WrapperStruct00_var_1_5_Pointer~0.offset .cse4))) (forall ((~WrapperStruct00_var_1_9_Pointer~0.offset Int) (~WrapperStruct00_var_1_9_Pointer~0.base Int)) (< (mod (* 255 (select (select |c_#memory_int#1| ~WrapperStruct00_var_1_9_Pointer~0.base) ~WrapperStruct00_var_1_9_Pointer~0.offset)) 256) (+ 2 .cse4))) (< .cse4 0)))) (forall ((v_ArrVal_1631 Int) (v_ArrVal_1629 (Array Int Int))) (let ((.cse6 (select v_ArrVal_1629 c_~WrapperStruct00_var_1_5_Pointer~0.offset))) (or (< (mod (select (select (let ((.cse5 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_5_Pointer~0.base v_ArrVal_1629))) (store .cse5 c_~WrapperStruct00_var_1_10_Pointer~0.base (store (select .cse5 c_~WrapperStruct00_var_1_10_Pointer~0.base) c_~WrapperStruct00_var_1_10_Pointer~0.offset v_ArrVal_1631))) c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 4294967296) 4294967289) (< (+ 128 .cse6) 0) (< 0 (+ 2 .cse6)) (not (= v_ArrVal_1629 (store .cse2 c_~WrapperStruct00_var_1_5_Pointer~0.offset .cse6)))))) (forall ((v_ArrVal_1631 Int) (v_ArrVal_1629 (Array Int Int))) (let ((.cse8 (select v_ArrVal_1629 c_~WrapperStruct00_var_1_5_Pointer~0.offset))) (or (< (mod (select (select (let ((.cse7 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_5_Pointer~0.base v_ArrVal_1629))) (store .cse7 c_~WrapperStruct00_var_1_10_Pointer~0.base (store (select .cse7 c_~WrapperStruct00_var_1_10_Pointer~0.base) c_~WrapperStruct00_var_1_10_Pointer~0.offset v_ArrVal_1631))) c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 4294967296) 4294967289) (< 127 .cse8) (not (= v_ArrVal_1629 (store .cse2 c_~WrapperStruct00_var_1_5_Pointer~0.offset .cse8))) (< .cse8 0)))))) is different from false [2024-12-02 14:13:38,977 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int#1| c_~WrapperStruct00_var_1_1_Pointer~0.base))) (and (forall ((v_ArrVal_1631 Int) (v_ArrVal_1629 (Array Int Int)) (|ULTIMATE.start_step_#t~ite14#1| Int)) (let ((.cse2 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_1_Pointer~0.base (store .cse3 c_~WrapperStruct00_var_1_1_Pointer~0.offset |ULTIMATE.start_step_#t~ite14#1|))) (.cse0 (select v_ArrVal_1629 c_~WrapperStruct00_var_1_5_Pointer~0.offset))) (or (< 127 .cse0) (< (mod (select (select (let ((.cse1 (store .cse2 c_~WrapperStruct00_var_1_5_Pointer~0.base v_ArrVal_1629))) (store .cse1 c_~WrapperStruct00_var_1_10_Pointer~0.base (store (select .cse1 c_~WrapperStruct00_var_1_10_Pointer~0.base) c_~WrapperStruct00_var_1_10_Pointer~0.offset v_ArrVal_1631))) c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 4294967296) 4294967289) (not (= (store (select .cse2 c_~WrapperStruct00_var_1_5_Pointer~0.base) c_~WrapperStruct00_var_1_5_Pointer~0.offset .cse0) v_ArrVal_1629)) (< .cse0 0)))) (forall ((v_ArrVal_1631 Int) (v_ArrVal_1629 (Array Int Int)) (|ULTIMATE.start_step_#t~ite14#1| Int)) (let ((.cse6 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_1_Pointer~0.base (store .cse3 c_~WrapperStruct00_var_1_1_Pointer~0.offset |ULTIMATE.start_step_#t~ite14#1|))) (.cse4 (select v_ArrVal_1629 c_~WrapperStruct00_var_1_5_Pointer~0.offset))) (or (< 127 .cse4) (< (mod (select (select (let ((.cse5 (store .cse6 c_~WrapperStruct00_var_1_5_Pointer~0.base v_ArrVal_1629))) (store .cse5 c_~WrapperStruct00_var_1_10_Pointer~0.base (store (select .cse5 c_~WrapperStruct00_var_1_10_Pointer~0.base) c_~WrapperStruct00_var_1_10_Pointer~0.offset v_ArrVal_1631))) c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 4294967296) 4294967289) (not (= (store (select .cse6 c_~WrapperStruct00_var_1_5_Pointer~0.base) c_~WrapperStruct00_var_1_5_Pointer~0.offset .cse4) v_ArrVal_1629)) (< .cse4 0) (forall ((~WrapperStruct00_var_1_9_Pointer~0.offset Int) (~WrapperStruct00_var_1_9_Pointer~0.base Int)) (< (mod (* (select (select .cse6 ~WrapperStruct00_var_1_9_Pointer~0.base) ~WrapperStruct00_var_1_9_Pointer~0.offset) 255) 256) (+ 2 .cse4)))))) (forall ((v_ArrVal_1631 Int) (v_ArrVal_1629 (Array Int Int)) (|ULTIMATE.start_step_#t~ite14#1| Int)) (let ((.cse9 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_1_Pointer~0.base (store .cse3 c_~WrapperStruct00_var_1_1_Pointer~0.offset |ULTIMATE.start_step_#t~ite14#1|))) (.cse7 (select v_ArrVal_1629 c_~WrapperStruct00_var_1_5_Pointer~0.offset))) (or (< (+ 128 .cse7) 0) (< 0 (+ .cse7 1)) (< (mod (select (select (let ((.cse8 (store .cse9 c_~WrapperStruct00_var_1_5_Pointer~0.base v_ArrVal_1629))) (store .cse8 c_~WrapperStruct00_var_1_10_Pointer~0.base (store (select .cse8 c_~WrapperStruct00_var_1_10_Pointer~0.base) c_~WrapperStruct00_var_1_10_Pointer~0.offset v_ArrVal_1631))) c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 4294967296) 4294967289) (not (= (store (select .cse9 c_~WrapperStruct00_var_1_5_Pointer~0.base) c_~WrapperStruct00_var_1_5_Pointer~0.offset .cse7) v_ArrVal_1629))))) (forall ((v_ArrVal_1631 Int) (v_ArrVal_1629 (Array Int Int)) (|ULTIMATE.start_step_#t~ite14#1| Int)) (let ((.cse12 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_1_Pointer~0.base (store .cse3 c_~WrapperStruct00_var_1_1_Pointer~0.offset |ULTIMATE.start_step_#t~ite14#1|))) (.cse10 (select v_ArrVal_1629 c_~WrapperStruct00_var_1_5_Pointer~0.offset))) (or (< (+ 128 .cse10) 0) (< 0 (+ 2 .cse10)) (< (mod (select (select (let ((.cse11 (store .cse12 c_~WrapperStruct00_var_1_5_Pointer~0.base v_ArrVal_1629))) (store .cse11 c_~WrapperStruct00_var_1_10_Pointer~0.base (store (select .cse11 c_~WrapperStruct00_var_1_10_Pointer~0.base) c_~WrapperStruct00_var_1_10_Pointer~0.offset v_ArrVal_1631))) c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 4294967296) 4294967289) (not (= (store (select .cse12 c_~WrapperStruct00_var_1_5_Pointer~0.base) c_~WrapperStruct00_var_1_5_Pointer~0.offset .cse10) v_ArrVal_1629))))))) is different from false [2024-12-02 14:13:39,622 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base))) (and (forall ((~WrapperStruct00_var_1_8_Pointer~0.offset Int) (~WrapperStruct00_var_1_8_Pointer~0.base Int) (v_ArrVal_1631 Int) (~WrapperStruct00_var_1_14_Pointer~0.base Int) (~WrapperStruct00_var_1_14_Pointer~0.offset Int) (v_ArrVal_1629 (Array Int Int)) (v_ArrVal_1626 Int) (|ULTIMATE.start_step_#t~ite14#1| Int)) (let ((.cse0 (select v_ArrVal_1629 c_~WrapperStruct00_var_1_5_Pointer~0.offset)) (.cse1 (let ((.cse3 (let ((.cse4 (let ((.cse5 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_12_Pointer~0.offset (select (select |c_#memory_int#1| ~WrapperStruct00_var_1_8_Pointer~0.base) ~WrapperStruct00_var_1_8_Pointer~0.offset))))) (store .cse5 c_~WrapperStruct00_var_1_13_Pointer~0.base (store (select .cse5 c_~WrapperStruct00_var_1_13_Pointer~0.base) c_~WrapperStruct00_var_1_13_Pointer~0.offset (select (select .cse5 ~WrapperStruct00_var_1_14_Pointer~0.base) ~WrapperStruct00_var_1_14_Pointer~0.offset)))))) (store .cse4 c_~WrapperStruct00_var_1_15_Pointer~0.base (store (select .cse4 c_~WrapperStruct00_var_1_15_Pointer~0.base) c_~WrapperStruct00_var_1_15_Pointer~0.offset v_ArrVal_1626))))) (store .cse3 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse3 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset |ULTIMATE.start_step_#t~ite14#1|))))) (or (< (+ 128 .cse0) 0) (< 0 (+ .cse0 1)) (not (= v_ArrVal_1629 (store (select .cse1 c_~WrapperStruct00_var_1_5_Pointer~0.base) c_~WrapperStruct00_var_1_5_Pointer~0.offset .cse0))) (< (mod (select (select (let ((.cse2 (store .cse1 c_~WrapperStruct00_var_1_5_Pointer~0.base v_ArrVal_1629))) (store .cse2 c_~WrapperStruct00_var_1_10_Pointer~0.base (store (select .cse2 c_~WrapperStruct00_var_1_10_Pointer~0.base) c_~WrapperStruct00_var_1_10_Pointer~0.offset v_ArrVal_1631))) c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 4294967296) 4294967289)))) (forall ((~WrapperStruct00_var_1_8_Pointer~0.offset Int) (~WrapperStruct00_var_1_8_Pointer~0.base Int) (v_ArrVal_1631 Int) (~WrapperStruct00_var_1_14_Pointer~0.base Int) (~WrapperStruct00_var_1_14_Pointer~0.offset Int) (v_ArrVal_1629 (Array Int Int)) (v_ArrVal_1626 Int) (|ULTIMATE.start_step_#t~ite14#1| Int)) (let ((.cse7 (select v_ArrVal_1629 c_~WrapperStruct00_var_1_5_Pointer~0.offset)) (.cse8 (let ((.cse10 (let ((.cse11 (let ((.cse12 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_12_Pointer~0.offset (select (select |c_#memory_int#1| ~WrapperStruct00_var_1_8_Pointer~0.base) ~WrapperStruct00_var_1_8_Pointer~0.offset))))) (store .cse12 c_~WrapperStruct00_var_1_13_Pointer~0.base (store (select .cse12 c_~WrapperStruct00_var_1_13_Pointer~0.base) c_~WrapperStruct00_var_1_13_Pointer~0.offset (select (select .cse12 ~WrapperStruct00_var_1_14_Pointer~0.base) ~WrapperStruct00_var_1_14_Pointer~0.offset)))))) (store .cse11 c_~WrapperStruct00_var_1_15_Pointer~0.base (store (select .cse11 c_~WrapperStruct00_var_1_15_Pointer~0.base) c_~WrapperStruct00_var_1_15_Pointer~0.offset v_ArrVal_1626))))) (store .cse10 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse10 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset |ULTIMATE.start_step_#t~ite14#1|))))) (or (< (+ 128 .cse7) 0) (not (= v_ArrVal_1629 (store (select .cse8 c_~WrapperStruct00_var_1_5_Pointer~0.base) c_~WrapperStruct00_var_1_5_Pointer~0.offset .cse7))) (< 0 (+ 2 .cse7)) (< (mod (select (select (let ((.cse9 (store .cse8 c_~WrapperStruct00_var_1_5_Pointer~0.base v_ArrVal_1629))) (store .cse9 c_~WrapperStruct00_var_1_10_Pointer~0.base (store (select .cse9 c_~WrapperStruct00_var_1_10_Pointer~0.base) c_~WrapperStruct00_var_1_10_Pointer~0.offset v_ArrVal_1631))) c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 4294967296) 4294967289)))) (forall ((~WrapperStruct00_var_1_8_Pointer~0.offset Int) (~WrapperStruct00_var_1_8_Pointer~0.base Int) (v_ArrVal_1631 Int) (~WrapperStruct00_var_1_14_Pointer~0.base Int) (~WrapperStruct00_var_1_14_Pointer~0.offset Int) (v_ArrVal_1629 (Array Int Int)) (v_ArrVal_1626 Int) (|ULTIMATE.start_step_#t~ite14#1| Int)) (let ((.cse14 (let ((.cse16 (let ((.cse17 (let ((.cse18 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_12_Pointer~0.offset (select (select |c_#memory_int#1| ~WrapperStruct00_var_1_8_Pointer~0.base) ~WrapperStruct00_var_1_8_Pointer~0.offset))))) (store .cse18 c_~WrapperStruct00_var_1_13_Pointer~0.base (store (select .cse18 c_~WrapperStruct00_var_1_13_Pointer~0.base) c_~WrapperStruct00_var_1_13_Pointer~0.offset (select (select .cse18 ~WrapperStruct00_var_1_14_Pointer~0.base) ~WrapperStruct00_var_1_14_Pointer~0.offset)))))) (store .cse17 c_~WrapperStruct00_var_1_15_Pointer~0.base (store (select .cse17 c_~WrapperStruct00_var_1_15_Pointer~0.base) c_~WrapperStruct00_var_1_15_Pointer~0.offset v_ArrVal_1626))))) (store .cse16 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse16 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset |ULTIMATE.start_step_#t~ite14#1|)))) (.cse13 (select v_ArrVal_1629 c_~WrapperStruct00_var_1_5_Pointer~0.offset))) (or (< 127 .cse13) (not (= v_ArrVal_1629 (store (select .cse14 c_~WrapperStruct00_var_1_5_Pointer~0.base) c_~WrapperStruct00_var_1_5_Pointer~0.offset .cse13))) (< (mod (select (select (let ((.cse15 (store .cse14 c_~WrapperStruct00_var_1_5_Pointer~0.base v_ArrVal_1629))) (store .cse15 c_~WrapperStruct00_var_1_10_Pointer~0.base (store (select .cse15 c_~WrapperStruct00_var_1_10_Pointer~0.base) c_~WrapperStruct00_var_1_10_Pointer~0.offset v_ArrVal_1631))) c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 4294967296) 4294967289) (< .cse13 0)))) (forall ((~WrapperStruct00_var_1_8_Pointer~0.offset Int) (~WrapperStruct00_var_1_8_Pointer~0.base Int) (v_ArrVal_1631 Int) (~WrapperStruct00_var_1_14_Pointer~0.base Int) (~WrapperStruct00_var_1_14_Pointer~0.offset Int) (v_ArrVal_1629 (Array Int Int)) (v_ArrVal_1626 Int) (|ULTIMATE.start_step_#t~ite14#1| Int)) (let ((.cse20 (let ((.cse22 (let ((.cse23 (let ((.cse24 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_12_Pointer~0.offset (select (select |c_#memory_int#1| ~WrapperStruct00_var_1_8_Pointer~0.base) ~WrapperStruct00_var_1_8_Pointer~0.offset))))) (store .cse24 c_~WrapperStruct00_var_1_13_Pointer~0.base (store (select .cse24 c_~WrapperStruct00_var_1_13_Pointer~0.base) c_~WrapperStruct00_var_1_13_Pointer~0.offset (select (select .cse24 ~WrapperStruct00_var_1_14_Pointer~0.base) ~WrapperStruct00_var_1_14_Pointer~0.offset)))))) (store .cse23 c_~WrapperStruct00_var_1_15_Pointer~0.base (store (select .cse23 c_~WrapperStruct00_var_1_15_Pointer~0.base) c_~WrapperStruct00_var_1_15_Pointer~0.offset v_ArrVal_1626))))) (store .cse22 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse22 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset |ULTIMATE.start_step_#t~ite14#1|)))) (.cse19 (select v_ArrVal_1629 c_~WrapperStruct00_var_1_5_Pointer~0.offset))) (or (< 127 .cse19) (forall ((~WrapperStruct00_var_1_9_Pointer~0.offset Int) (~WrapperStruct00_var_1_9_Pointer~0.base Int)) (< (mod (* 255 (select (select .cse20 ~WrapperStruct00_var_1_9_Pointer~0.base) ~WrapperStruct00_var_1_9_Pointer~0.offset)) 256) (+ 2 .cse19))) (not (= v_ArrVal_1629 (store (select .cse20 c_~WrapperStruct00_var_1_5_Pointer~0.base) c_~WrapperStruct00_var_1_5_Pointer~0.offset .cse19))) (< (mod (select (select (let ((.cse21 (store .cse20 c_~WrapperStruct00_var_1_5_Pointer~0.base v_ArrVal_1629))) (store .cse21 c_~WrapperStruct00_var_1_10_Pointer~0.base (store (select .cse21 c_~WrapperStruct00_var_1_10_Pointer~0.base) c_~WrapperStruct00_var_1_10_Pointer~0.offset v_ArrVal_1631))) c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 4294967296) 4294967289) (< .cse19 0)))))) is different from false [2024-12-02 14:13:40,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663312524] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:13:40,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:13:40,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2024-12-02 14:13:40,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486565971] [2024-12-02 14:13:40,193 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:13:40,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 14:13:40,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:40,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 14:13:40,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=566, Unknown=3, NotChecked=156, Total=870 [2024-12-02 14:13:40,194 INFO L87 Difference]: Start difference. First operand 428 states and 501 transitions. Second operand has 24 states, 22 states have (on average 5.181818181818182) internal successors, (114), 24 states have internal predecessors, (114), 9 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 7 states have call predecessors, (28), 9 states have call successors, (28) [2024-12-02 14:13:44,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:13:49,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:13:51,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:13:55,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:13:58,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-02 14:14:01,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-02 14:14:02,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-02 14:14:04,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-02 14:14:07,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-02 14:14:09,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-02 14:14:11,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:14:11,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:11,230 INFO L93 Difference]: Finished difference Result 617 states and 711 transitions. [2024-12-02 14:14:11,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:14:11,231 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 5.181818181818182) internal successors, (114), 24 states have internal predecessors, (114), 9 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 7 states have call predecessors, (28), 9 states have call successors, (28) Word has length 128 [2024-12-02 14:14:11,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:11,232 INFO L225 Difference]: With dead ends: 617 [2024-12-02 14:14:11,233 INFO L226 Difference]: Without dead ends: 219 [2024-12-02 14:14:11,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=298, Invalid=901, Unknown=3, NotChecked=204, Total=1406 [2024-12-02 14:14:11,233 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 299 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 124 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:11,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 211 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 616 Invalid, 9 Unknown, 0 Unchecked, 30.1s Time] [2024-12-02 14:14:11,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-12-02 14:14:11,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 215. [2024-12-02 14:14:11,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 176 states have (on average 1.0568181818181819) internal successors, (186), 176 states have internal predecessors, (186), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 14:14:11,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 242 transitions. [2024-12-02 14:14:11,314 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 242 transitions. Word has length 128 [2024-12-02 14:14:11,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:11,314 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 242 transitions. [2024-12-02 14:14:11,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 5.181818181818182) internal successors, (114), 24 states have internal predecessors, (114), 9 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 7 states have call predecessors, (28), 9 states have call successors, (28) [2024-12-02 14:14:11,315 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 242 transitions. [2024-12-02 14:14:11,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-12-02 14:14:11,315 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:11,315 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:11,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-12-02 14:14:11,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-12-02 14:14:11,516 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:11,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:11,516 INFO L85 PathProgramCache]: Analyzing trace with hash 29267610, now seen corresponding path program 1 times [2024-12-02 14:14:11,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:11,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432727342] [2024-12-02 14:14:11,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:11,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 14:14:11,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2004110119] [2024-12-02 14:14:11,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:11,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:14:11,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:14:11,753 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:14:11,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e2ce5-aace-433d-bb13-fee3a4f34f3b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-02 14:14:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:12,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-12-02 14:14:12,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:14:16,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:14:17,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:14:19,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:14:20,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 14:14:21,632 INFO L349 Elim1Store]: treesize reduction 361, result has 26.8 percent of original size [2024-12-02 14:14:21,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 76 treesize of output 186 [2024-12-02 14:14:22,548 INFO L349 Elim1Store]: treesize reduction 8, result has 83.7 percent of original size [2024-12-02 14:14:22,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 284 treesize of output 290 [2024-12-02 14:14:24,012 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2024-12-02 14:14:24,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 413 treesize of output 374 [2024-12-02 14:14:24,700 INFO L349 Elim1Store]: treesize reduction 24, result has 70.4 percent of original size [2024-12-02 14:14:24,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 395 treesize of output 385 [2024-12-02 14:14:34,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:14:34,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:14:34,128 INFO L349 Elim1Store]: treesize reduction 132, result has 27.5 percent of original size [2024-12-02 14:14:34,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 381 treesize of output 285 [2024-12-02 14:14:39,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:14:39,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:14:39,254 INFO L349 Elim1Store]: treesize reduction 140, result has 23.1 percent of original size [2024-12-02 14:14:39,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 485 treesize of output 365 [2024-12-02 14:14:44,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:14:44,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:14:44,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:14:44,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:14:45,013 INFO L349 Elim1Store]: treesize reduction 148, result has 25.3 percent of original size [2024-12-02 14:14:45,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 620 treesize of output 482 [2024-12-02 14:15:34,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:15:34,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:15:34,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:15:34,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:15:34,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:15:34,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:15:34,325 INFO L349 Elim1Store]: treesize reduction 188, result has 21.0 percent of original size [2024-12-02 14:15:34,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 784 treesize of output 602 [2024-12-02 14:16:02,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:16:02,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:16:02,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:16:02,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:16:02,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:16:02,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:16:02,936 INFO L349 Elim1Store]: treesize reduction 188, result has 21.0 percent of original size [2024-12-02 14:16:02,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 859 treesize of output 653 [2024-12-02 14:16:38,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:16:38,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:16:38,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:16:38,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:16:38,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:16:38,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:16:38,214 INFO L349 Elim1Store]: treesize reduction 188, result has 21.0 percent of original size [2024-12-02 14:16:38,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 1031 treesize of output 777 [2024-12-02 14:17:20,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:17:20,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:17:20,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:17:20,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:17:20,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:17:20,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:17:20,526 INFO L349 Elim1Store]: treesize reduction 212, result has 21.5 percent of original size [2024-12-02 14:17:20,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 1174 treesize of output 900 [2024-12-02 14:19:02,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:19:02,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:19:02,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:19:02,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:19:02,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:19:02,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:19:02,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:19:02,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:19:02,468 INFO L349 Elim1Store]: treesize reduction 224, result has 18.2 percent of original size [2024-12-02 14:19:02,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 29 case distinctions, treesize of input 2080 treesize of output 1525 [2024-12-02 14:21:00,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:21:00,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:21:00,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:21:00,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:21:00,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:21:00,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 14:21:00,416 INFO L349 Elim1Store]: treesize reduction 192, result has 20.7 percent of original size [2024-12-02 14:21:00,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 2231 treesize of output 1625 [2024-12-02 14:21:26,911 WARN L286 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 385 DAG size of output: 288 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)