./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC --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 b28c8175bc39dd1c459be6d9349fe3be895f115cd8cddc9719a89a6e0edbf727 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 02:02:33,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:02:33,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 02:02:33,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:02:33,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:02:33,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:02:33,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:02:33,455 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:02:33,455 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:02:33,456 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:02:33,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 02:02:33,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 02:02:33,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:02:33,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:02:33,459 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:02:33,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:02:33,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 02:02:33,459 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 02:02:33,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 02:02:33,460 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 02:02:33,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:02:33,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 02:02:33,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 02:02:33,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 02:02:33,461 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 02:02:33,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 02:02:33,461 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:02:33,461 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:02:33,462 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 02:02:33,462 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:02:33,462 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:02:33,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:02:33,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:02:33,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:02:33,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:02:33,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:02:33,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:02:33,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:02:33,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:02:33,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 02:02:33,464 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 02:02:33,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 02:02:33,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 02:02:33,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 02:02:33,465 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 02:02:33,465 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 02:02:33,465 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 02:02:33,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 02:02:33,465 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_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC 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 -> b28c8175bc39dd1c459be6d9349fe3be895f115cd8cddc9719a89a6e0edbf727 [2024-11-24 02:02:33,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:02:33,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:02:33,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:02:33,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:02:33,852 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:02:33,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i [2024-11-24 02:02:37,284 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/data/1fe1752b0/fd914225c6304d47b161ed233d105a0c/FLAG929ba32d5 [2024-11-24 02:02:37,627 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:02:37,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i [2024-11-24 02:02:37,652 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/data/1fe1752b0/fd914225c6304d47b161ed233d105a0c/FLAG929ba32d5 [2024-11-24 02:02:37,686 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/data/1fe1752b0/fd914225c6304d47b161ed233d105a0c [2024-11-24 02:02:37,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:02:37,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:02:37,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:02:37,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:02:37,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:02:37,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:02:37" (1/1) ... [2024-11-24 02:02:37,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40e43a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:37, skipping insertion in model container [2024-11-24 02:02:37,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:02:37" (1/1) ... [2024-11-24 02:02:37,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:02:37,947 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_d265d991-ee0f-4017-a348-5931f1fd5b0e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i[916,929] [2024-11-24 02:02:38,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:02:38,047 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:02:38,065 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_d265d991-ee0f-4017-a348-5931f1fd5b0e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i[916,929] [2024-11-24 02:02:38,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:02:38,158 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:02:38,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:38 WrapperNode [2024-11-24 02:02:38,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:02:38,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:02:38,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:02:38,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:02:38,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:38" (1/1) ... [2024-11-24 02:02:38,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:38" (1/1) ... [2024-11-24 02:02:38,261 INFO L138 Inliner]: procedures = 26, calls = 143, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 461 [2024-11-24 02:02:38,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:02:38,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:02:38,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:02:38,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:02:38,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:38" (1/1) ... [2024-11-24 02:02:38,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:38" (1/1) ... [2024-11-24 02:02:38,292 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:38" (1/1) ... [2024-11-24 02:02:38,342 INFO L175 MemorySlicer]: Split 107 memory accesses to 13 slices as follows [2, 7, 13, 12, 6, 12, 9, 8, 12, 7, 5, 10, 4]. 12 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 15 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1]. [2024-11-24 02:02:38,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:38" (1/1) ... [2024-11-24 02:02:38,342 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:38" (1/1) ... [2024-11-24 02:02:38,362 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:38" (1/1) ... [2024-11-24 02:02:38,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:38" (1/1) ... [2024-11-24 02:02:38,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:38" (1/1) ... [2024-11-24 02:02:38,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:38" (1/1) ... [2024-11-24 02:02:38,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:38" (1/1) ... [2024-11-24 02:02:38,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:02:38,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:02:38,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:02:38,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:02:38,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:38" (1/1) ... [2024-11-24 02:02:38,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:02:38,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:02:38,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 02:02:38,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 02:02:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:02:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 02:02:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 02:02:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 02:02:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 02:02:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 02:02:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 02:02:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 02:02:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 02:02:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 02:02:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 02:02:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 02:02:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 02:02:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 02:02:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 02:02:38,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 02:02:38,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 02:02:38,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 02:02:38,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 02:02:38,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 02:02:38,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 02:02:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 02:02:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 02:02:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 02:02:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 02:02:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 02:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 02:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 02:02:38,498 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 02:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 02:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 02:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 02:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 02:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 02:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 02:02:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 02:02:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 02:02:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 02:02:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 02:02:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 02:02:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 02:02:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 02:02:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:02:38,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:02:38,761 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:02:38,764 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:02:39,686 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2024-11-24 02:02:39,686 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:02:39,709 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:02:39,709 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 02:02:39,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:02:39 BoogieIcfgContainer [2024-11-24 02:02:39,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:02:39,713 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 02:02:39,713 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 02:02:39,721 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 02:02:39,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:02:37" (1/3) ... [2024-11-24 02:02:39,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293f9171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:02:39, skipping insertion in model container [2024-11-24 02:02:39,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:38" (2/3) ... [2024-11-24 02:02:39,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293f9171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:02:39, skipping insertion in model container [2024-11-24 02:02:39,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:02:39" (3/3) ... [2024-11-24 02:02:39,726 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-89.i [2024-11-24 02:02:39,745 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 02:02:39,749 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-89.i that has 2 procedures, 102 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 02:02:39,842 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:02:39,864 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;@719d7e85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:02:39,864 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 02:02:39,871 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 86 states have (on average 1.441860465116279) internal successors, (124), 87 states have internal predecessors, (124), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 02:02:39,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 02:02:39,887 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:39,888 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:39,889 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:39,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:39,897 INFO L85 PathProgramCache]: Analyzing trace with hash 80080085, now seen corresponding path program 1 times [2024-11-24 02:02:39,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:39,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875657025] [2024-11-24 02:02:39,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:39,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:40,373 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-24 02:02:40,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:40,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875657025] [2024-11-24 02:02:40,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875657025] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:02:40,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638478135] [2024-11-24 02:02:40,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:40,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:02:40,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:02:40,386 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:02:40,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 02:02:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:40,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 02:02:40,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:40,843 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-24 02:02:40,843 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:02:40,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638478135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:40,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:02:40,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 02:02:40,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173603397] [2024-11-24 02:02:40,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:40,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 02:02:40,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:40,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 02:02:40,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 02:02:40,893 INFO L87 Difference]: Start difference. First operand has 102 states, 86 states have (on average 1.441860465116279) internal successors, (124), 87 states have internal predecessors, (124), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-24 02:02:40,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:40,940 INFO L93 Difference]: Finished difference Result 197 states and 307 transitions. [2024-11-24 02:02:40,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 02:02:40,944 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 109 [2024-11-24 02:02:40,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:40,956 INFO L225 Difference]: With dead ends: 197 [2024-11-24 02:02:40,956 INFO L226 Difference]: Without dead ends: 98 [2024-11-24 02:02:40,963 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 02:02:40,968 INFO L435 NwaCegarLoop]: 141 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, 141 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:40,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:40,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-24 02:02:41,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-24 02:02:41,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 02:02:41,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 141 transitions. [2024-11-24 02:02:41,027 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 141 transitions. Word has length 109 [2024-11-24 02:02:41,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:41,029 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 141 transitions. [2024-11-24 02:02:41,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-24 02:02:41,030 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 141 transitions. [2024-11-24 02:02:41,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 02:02:41,039 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:41,040 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:41,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 02:02:41,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 02:02:41,241 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:41,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:41,241 INFO L85 PathProgramCache]: Analyzing trace with hash 231956475, now seen corresponding path program 1 times [2024-11-24 02:02:41,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:41,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501371169] [2024-11-24 02:02:41,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:41,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:41,888 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:02:41,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:41,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501371169] [2024-11-24 02:02:41,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501371169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:41,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:41,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:02:41,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174173766] [2024-11-24 02:02:41,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:41,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:02:41,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:41,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:02:41,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:41,894 INFO L87 Difference]: Start difference. First operand 98 states and 141 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:41,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:41,949 INFO L93 Difference]: Finished difference Result 196 states and 283 transitions. [2024-11-24 02:02:41,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:02:41,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-11-24 02:02:41,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:41,952 INFO L225 Difference]: With dead ends: 196 [2024-11-24 02:02:41,952 INFO L226 Difference]: Without dead ends: 101 [2024-11-24 02:02:41,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:41,954 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 1 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 403 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 [2024-11-24 02:02:41,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 403 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:41,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-24 02:02:41,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 100. [2024-11-24 02:02:41,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 02:02:41,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions. [2024-11-24 02:02:41,977 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 109 [2024-11-24 02:02:41,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:41,979 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions. [2024-11-24 02:02:41,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:41,984 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2024-11-24 02:02:41,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 02:02:41,990 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:41,990 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:41,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 02:02:41,990 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:41,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:41,991 INFO L85 PathProgramCache]: Analyzing trace with hash 912014845, now seen corresponding path program 1 times [2024-11-24 02:02:41,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:41,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017778051] [2024-11-24 02:02:41,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:41,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:42,408 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:02:42,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:42,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017778051] [2024-11-24 02:02:42,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017778051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:42,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:42,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:02:42,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317601867] [2024-11-24 02:02:42,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:42,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:02:42,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:42,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:02:42,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:42,412 INFO L87 Difference]: Start difference. First operand 100 states and 143 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:42,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:42,462 INFO L93 Difference]: Finished difference Result 200 states and 287 transitions. [2024-11-24 02:02:42,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:02:42,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-11-24 02:02:42,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:42,469 INFO L225 Difference]: With dead ends: 200 [2024-11-24 02:02:42,469 INFO L226 Difference]: Without dead ends: 103 [2024-11-24 02:02:42,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:42,471 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 1 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 404 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 [2024-11-24 02:02:42,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 404 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:42,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-24 02:02:42,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 102. [2024-11-24 02:02:42,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 87 states have (on average 1.367816091954023) internal successors, (119), 87 states have internal predecessors, (119), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 02:02:42,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 145 transitions. [2024-11-24 02:02:42,496 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 145 transitions. Word has length 109 [2024-11-24 02:02:42,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:42,497 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 145 transitions. [2024-11-24 02:02:42,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:42,497 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 145 transitions. [2024-11-24 02:02:42,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 02:02:42,502 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:42,503 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:42,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 02:02:42,503 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:42,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:42,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1607945089, now seen corresponding path program 1 times [2024-11-24 02:02:42,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:42,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485340362] [2024-11-24 02:02:42,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:42,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:42,815 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:02:42,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:42,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485340362] [2024-11-24 02:02:42,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485340362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:42,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:42,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:02:42,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64834393] [2024-11-24 02:02:42,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:42,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:02:42,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:42,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:02:42,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:42,821 INFO L87 Difference]: Start difference. First operand 102 states and 145 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:42,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:42,882 INFO L93 Difference]: Finished difference Result 204 states and 291 transitions. [2024-11-24 02:02:42,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:02:42,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-11-24 02:02:42,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:42,888 INFO L225 Difference]: With dead ends: 204 [2024-11-24 02:02:42,889 INFO L226 Difference]: Without dead ends: 105 [2024-11-24 02:02:42,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:42,890 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 1 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 406 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 [2024-11-24 02:02:42,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 406 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:42,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-24 02:02:42,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 104. [2024-11-24 02:02:42,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 02:02:42,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 147 transitions. [2024-11-24 02:02:42,905 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 147 transitions. Word has length 109 [2024-11-24 02:02:42,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:42,906 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 147 transitions. [2024-11-24 02:02:42,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:42,906 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 147 transitions. [2024-11-24 02:02:42,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 02:02:42,908 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:42,908 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:42,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 02:02:42,909 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:42,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:42,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1606098047, now seen corresponding path program 1 times [2024-11-24 02:02:42,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:42,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596518798] [2024-11-24 02:02:42,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:42,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:45,361 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:02:45,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:45,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596518798] [2024-11-24 02:02:45,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596518798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:45,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:45,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 02:02:45,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122532874] [2024-11-24 02:02:45,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:45,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 02:02:45,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:45,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 02:02:45,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:02:45,367 INFO L87 Difference]: Start difference. First operand 104 states and 147 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:45,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:45,875 INFO L93 Difference]: Finished difference Result 284 states and 401 transitions. [2024-11-24 02:02:45,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 02:02:45,876 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-11-24 02:02:45,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:45,878 INFO L225 Difference]: With dead ends: 284 [2024-11-24 02:02:45,879 INFO L226 Difference]: Without dead ends: 183 [2024-11-24 02:02:45,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-24 02:02:45,881 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 100 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:45,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 987 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 02:02:45,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-24 02:02:45,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 180. [2024-11-24 02:02:45,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 159 states have (on average 1.371069182389937) internal successors, (218), 160 states have internal predecessors, (218), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 02:02:45,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 254 transitions. [2024-11-24 02:02:45,904 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 254 transitions. Word has length 109 [2024-11-24 02:02:45,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:45,905 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 254 transitions. [2024-11-24 02:02:45,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:45,905 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 254 transitions. [2024-11-24 02:02:45,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 02:02:45,908 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:45,908 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:45,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 02:02:45,909 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:45,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:45,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1667800895, now seen corresponding path program 1 times [2024-11-24 02:02:45,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:45,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794560174] [2024-11-24 02:02:45,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:45,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:46,524 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:02:46,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:46,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794560174] [2024-11-24 02:02:46,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794560174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:46,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:46,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:02:46,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612956128] [2024-11-24 02:02:46,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:46,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:02:46,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:46,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:02:46,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:46,528 INFO L87 Difference]: Start difference. First operand 180 states and 254 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:46,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:46,694 INFO L93 Difference]: Finished difference Result 362 states and 508 transitions. [2024-11-24 02:02:46,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:02:46,695 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-11-24 02:02:46,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:46,699 INFO L225 Difference]: With dead ends: 362 [2024-11-24 02:02:46,702 INFO L226 Difference]: Without dead ends: 185 [2024-11-24 02:02:46,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:02:46,704 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 171 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:46,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 410 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:02:46,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-24 02:02:46,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 183. [2024-11-24 02:02:46,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 161 states have (on average 1.360248447204969) internal successors, (219), 162 states have internal predecessors, (219), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 02:02:46,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 255 transitions. [2024-11-24 02:02:46,743 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 255 transitions. Word has length 109 [2024-11-24 02:02:46,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:46,747 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 255 transitions. [2024-11-24 02:02:46,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:46,747 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 255 transitions. [2024-11-24 02:02:46,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 02:02:46,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:46,749 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:46,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 02:02:46,750 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:46,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:46,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1927988566, now seen corresponding path program 1 times [2024-11-24 02:02:46,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:46,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537486973] [2024-11-24 02:02:46,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:46,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:48,886 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:02:48,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:48,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537486973] [2024-11-24 02:02:48,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537486973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:48,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:48,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 02:02:48,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117079460] [2024-11-24 02:02:48,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:48,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 02:02:48,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:48,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 02:02:48,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:02:48,891 INFO L87 Difference]: Start difference. First operand 183 states and 255 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 02:02:49,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:49,812 INFO L93 Difference]: Finished difference Result 598 states and 837 transitions. [2024-11-24 02:02:49,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:02:49,814 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 109 [2024-11-24 02:02:49,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:49,819 INFO L225 Difference]: With dead ends: 598 [2024-11-24 02:02:49,819 INFO L226 Difference]: Without dead ends: 418 [2024-11-24 02:02:49,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-24 02:02:49,822 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 637 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:49,823 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 656 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 02:02:49,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-24 02:02:49,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 369. [2024-11-24 02:02:49,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 326 states have (on average 1.3680981595092025) internal successors, (446), 328 states have internal predecessors, (446), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-24 02:02:49,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 518 transitions. [2024-11-24 02:02:49,899 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 518 transitions. Word has length 109 [2024-11-24 02:02:49,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:49,900 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 518 transitions. [2024-11-24 02:02:49,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 02:02:49,900 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 518 transitions. [2024-11-24 02:02:49,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 02:02:49,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:49,904 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:49,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 02:02:49,905 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:49,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:49,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1387243329, now seen corresponding path program 1 times [2024-11-24 02:02:49,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:49,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045248499] [2024-11-24 02:02:49,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:49,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:02:50,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:50,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045248499] [2024-11-24 02:02:50,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045248499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:50,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:50,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:02:50,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362757367] [2024-11-24 02:02:50,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:50,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:02:50,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:50,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:02:50,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:50,337 INFO L87 Difference]: Start difference. First operand 369 states and 518 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:50,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:50,516 INFO L93 Difference]: Finished difference Result 861 states and 1206 transitions. [2024-11-24 02:02:50,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:02:50,518 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-11-24 02:02:50,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:50,521 INFO L225 Difference]: With dead ends: 861 [2024-11-24 02:02:50,524 INFO L226 Difference]: Without dead ends: 495 [2024-11-24 02:02:50,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:02:50,526 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 91 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:50,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 574 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:02:50,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-24 02:02:50,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 489. [2024-11-24 02:02:50,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 438 states have (on average 1.36986301369863) internal successors, (600), 442 states have internal predecessors, (600), 42 states have call successors, (42), 8 states have call predecessors, (42), 8 states have return successors, (42), 38 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-24 02:02:50,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 684 transitions. [2024-11-24 02:02:50,597 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 684 transitions. Word has length 109 [2024-11-24 02:02:50,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:50,599 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 684 transitions. [2024-11-24 02:02:50,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:50,599 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 684 transitions. [2024-11-24 02:02:50,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 02:02:50,601 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:50,602 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:50,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 02:02:50,602 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:50,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:50,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1886655613, now seen corresponding path program 1 times [2024-11-24 02:02:50,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:50,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222745308] [2024-11-24 02:02:50,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:50,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:51,492 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:02:51,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:51,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222745308] [2024-11-24 02:02:51,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222745308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:51,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:51,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 02:02:51,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565830505] [2024-11-24 02:02:51,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:51,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 02:02:51,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:51,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 02:02:51,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:02:51,495 INFO L87 Difference]: Start difference. First operand 489 states and 684 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:51,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:51,804 INFO L93 Difference]: Finished difference Result 1049 states and 1466 transitions. [2024-11-24 02:02:51,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:02:51,805 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-11-24 02:02:51,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:51,808 INFO L225 Difference]: With dead ends: 1049 [2024-11-24 02:02:51,808 INFO L226 Difference]: Without dead ends: 563 [2024-11-24 02:02:51,809 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-24 02:02:51,810 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 136 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:51,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1133 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:02:51,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-24 02:02:51,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 539. [2024-11-24 02:02:51,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 466 states have (on average 1.3454935622317596) internal successors, (627), 470 states have internal predecessors, (627), 62 states have call successors, (62), 10 states have call predecessors, (62), 10 states have return successors, (62), 58 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-24 02:02:51,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 751 transitions. [2024-11-24 02:02:51,883 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 751 transitions. Word has length 109 [2024-11-24 02:02:51,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:51,884 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 751 transitions. [2024-11-24 02:02:51,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:51,884 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 751 transitions. [2024-11-24 02:02:51,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 02:02:51,890 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:51,890 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:51,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 02:02:51,891 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:51,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:51,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1746368490, now seen corresponding path program 1 times [2024-11-24 02:02:51,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:51,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391941099] [2024-11-24 02:02:51,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:51,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:53,210 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:02:53,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:53,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391941099] [2024-11-24 02:02:53,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391941099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:53,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:53,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:02:53,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168648720] [2024-11-24 02:02:53,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:53,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:02:53,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:53,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:02:53,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:02:53,213 INFO L87 Difference]: Start difference. First operand 539 states and 751 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:53,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:53,926 INFO L93 Difference]: Finished difference Result 1079 states and 1501 transitions. [2024-11-24 02:02:53,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:02:53,927 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-11-24 02:02:53,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:53,932 INFO L225 Difference]: With dead ends: 1079 [2024-11-24 02:02:53,932 INFO L226 Difference]: Without dead ends: 543 [2024-11-24 02:02:53,933 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:02:53,934 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 223 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:53,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 733 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 02:02:53,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-24 02:02:53,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 537. [2024-11-24 02:02:53,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 464 states have (on average 1.3426724137931034) internal successors, (623), 468 states have internal predecessors, (623), 62 states have call successors, (62), 10 states have call predecessors, (62), 10 states have return successors, (62), 58 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-24 02:02:53,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 747 transitions. [2024-11-24 02:02:53,997 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 747 transitions. Word has length 109 [2024-11-24 02:02:53,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:53,998 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 747 transitions. [2024-11-24 02:02:53,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:53,998 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 747 transitions. [2024-11-24 02:02:54,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 02:02:54,001 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:54,001 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:54,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 02:02:54,001 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:54,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:54,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1424477971, now seen corresponding path program 1 times [2024-11-24 02:02:54,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:54,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79615013] [2024-11-24 02:02:54,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:54,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:55,366 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:02:55,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:55,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79615013] [2024-11-24 02:02:55,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79615013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:55,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:55,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 02:02:55,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905327754] [2024-11-24 02:02:55,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:55,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 02:02:55,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:55,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 02:02:55,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:02:55,370 INFO L87 Difference]: Start difference. First operand 537 states and 747 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:56,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:56,028 INFO L93 Difference]: Finished difference Result 1257 states and 1747 transitions. [2024-11-24 02:02:56,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 02:02:56,029 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-11-24 02:02:56,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:56,036 INFO L225 Difference]: With dead ends: 1257 [2024-11-24 02:02:56,036 INFO L226 Difference]: Without dead ends: 723 [2024-11-24 02:02:56,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-24 02:02:56,039 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 108 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:56,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 999 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 02:02:56,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-24 02:02:56,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 718. [2024-11-24 02:02:56,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 620 states have (on average 1.3403225806451613) internal successors, (831), 627 states have internal predecessors, (831), 83 states have call successors, (83), 14 states have call predecessors, (83), 14 states have return successors, (83), 76 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-24 02:02:56,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 997 transitions. [2024-11-24 02:02:56,155 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 997 transitions. Word has length 109 [2024-11-24 02:02:56,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:56,156 INFO L471 AbstractCegarLoop]: Abstraction has 718 states and 997 transitions. [2024-11-24 02:02:56,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:56,156 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 997 transitions. [2024-11-24 02:02:56,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 02:02:56,160 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:56,160 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:56,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 02:02:56,161 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:56,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:56,162 INFO L85 PathProgramCache]: Analyzing trace with hash 403409617, now seen corresponding path program 1 times [2024-11-24 02:02:56,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:56,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999819102] [2024-11-24 02:02:56,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:56,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:56,516 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:02:56,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:56,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999819102] [2024-11-24 02:02:56,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999819102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:56,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:56,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:02:56,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72240151] [2024-11-24 02:02:56,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:56,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:02:56,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:56,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:02:56,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:56,520 INFO L87 Difference]: Start difference. First operand 718 states and 997 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:56,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:56,717 INFO L93 Difference]: Finished difference Result 1416 states and 1965 transitions. [2024-11-24 02:02:56,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:02:56,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-11-24 02:02:56,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:56,726 INFO L225 Difference]: With dead ends: 1416 [2024-11-24 02:02:56,727 INFO L226 Difference]: Without dead ends: 724 [2024-11-24 02:02:56,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:02:56,729 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 171 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:56,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 557 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:02:56,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2024-11-24 02:02:56,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 722. [2024-11-24 02:02:56,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 622 states have (on average 1.3344051446945338) internal successors, (830), 629 states have internal predecessors, (830), 83 states have call successors, (83), 16 states have call predecessors, (83), 16 states have return successors, (83), 76 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-24 02:02:56,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 996 transitions. [2024-11-24 02:02:56,845 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 996 transitions. Word has length 109 [2024-11-24 02:02:56,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:56,846 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 996 transitions. [2024-11-24 02:02:56,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:56,846 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 996 transitions. [2024-11-24 02:02:56,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 02:02:56,849 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:56,849 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:56,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 02:02:56,849 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:56,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:56,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1643332689, now seen corresponding path program 1 times [2024-11-24 02:02:56,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:56,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481681353] [2024-11-24 02:02:56,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:56,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:57,145 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:02:57,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:57,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481681353] [2024-11-24 02:02:57,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481681353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:57,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:57,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:02:57,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28329344] [2024-11-24 02:02:57,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:57,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:02:57,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:57,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:02:57,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:57,148 INFO L87 Difference]: Start difference. First operand 722 states and 996 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:57,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:57,329 INFO L93 Difference]: Finished difference Result 1430 states and 1970 transitions. [2024-11-24 02:02:57,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:02:57,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-11-24 02:02:57,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:57,335 INFO L225 Difference]: With dead ends: 1430 [2024-11-24 02:02:57,336 INFO L226 Difference]: Without dead ends: 734 [2024-11-24 02:02:57,338 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:02:57,338 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 91 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:57,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 574 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:02:57,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-11-24 02:02:57,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 560. [2024-11-24 02:02:57,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 497 states have (on average 1.352112676056338) internal successors, (672), 501 states have internal predecessors, (672), 50 states have call successors, (50), 12 states have call predecessors, (50), 12 states have return successors, (50), 46 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-24 02:02:57,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 772 transitions. [2024-11-24 02:02:57,405 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 772 transitions. Word has length 109 [2024-11-24 02:02:57,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:57,406 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 772 transitions. [2024-11-24 02:02:57,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:57,407 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 772 transitions. [2024-11-24 02:02:57,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 02:02:57,409 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:57,409 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:57,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 02:02:57,410 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:57,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:57,410 INFO L85 PathProgramCache]: Analyzing trace with hash 622264335, now seen corresponding path program 1 times [2024-11-24 02:02:57,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:57,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135991412] [2024-11-24 02:02:57,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:57,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:58,087 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:02:58,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:58,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135991412] [2024-11-24 02:02:58,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135991412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:58,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:58,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 02:02:58,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206428779] [2024-11-24 02:02:58,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:58,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 02:02:58,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:58,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 02:02:58,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:02:58,090 INFO L87 Difference]: Start difference. First operand 560 states and 772 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:58,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:58,432 INFO L93 Difference]: Finished difference Result 1315 states and 1806 transitions. [2024-11-24 02:02:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:02:58,433 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-11-24 02:02:58,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:58,438 INFO L225 Difference]: With dead ends: 1315 [2024-11-24 02:02:58,438 INFO L226 Difference]: Without dead ends: 758 [2024-11-24 02:02:58,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-24 02:02:58,440 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 136 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:58,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1332 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 02:02:58,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2024-11-24 02:02:58,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 559. [2024-11-24 02:02:58,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 496 states have (on average 1.3508064516129032) internal successors, (670), 500 states have internal predecessors, (670), 50 states have call successors, (50), 12 states have call predecessors, (50), 12 states have return successors, (50), 46 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-24 02:02:58,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 770 transitions. [2024-11-24 02:02:58,502 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 770 transitions. Word has length 109 [2024-11-24 02:02:58,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:58,502 INFO L471 AbstractCegarLoop]: Abstraction has 559 states and 770 transitions. [2024-11-24 02:02:58,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:58,503 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 770 transitions. [2024-11-24 02:02:58,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-24 02:02:58,505 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:58,505 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:58,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 02:02:58,505 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:58,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:58,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1648157893, now seen corresponding path program 1 times [2024-11-24 02:02:58,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:58,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350313162] [2024-11-24 02:02:58,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:58,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:58,852 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:02:58,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:58,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350313162] [2024-11-24 02:02:58,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350313162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:58,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:58,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:02:58,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803119279] [2024-11-24 02:02:58,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:58,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:02:58,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:58,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:02:58,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:58,854 INFO L87 Difference]: Start difference. First operand 559 states and 770 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:59,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:59,131 INFO L93 Difference]: Finished difference Result 1345 states and 1854 transitions. [2024-11-24 02:02:59,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:02:59,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 111 [2024-11-24 02:02:59,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:59,137 INFO L225 Difference]: With dead ends: 1345 [2024-11-24 02:02:59,137 INFO L226 Difference]: Without dead ends: 789 [2024-11-24 02:02:59,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:02:59,141 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 110 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:59,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 503 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 02:02:59,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-11-24 02:02:59,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 682. [2024-11-24 02:02:59,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 603 states have (on average 1.3466003316749586) internal successors, (812), 607 states have internal predecessors, (812), 63 states have call successors, (63), 15 states have call predecessors, (63), 15 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-24 02:02:59,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 938 transitions. [2024-11-24 02:02:59,208 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 938 transitions. Word has length 111 [2024-11-24 02:02:59,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:59,208 INFO L471 AbstractCegarLoop]: Abstraction has 682 states and 938 transitions. [2024-11-24 02:02:59,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:59,209 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 938 transitions. [2024-11-24 02:02:59,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-24 02:02:59,211 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:59,211 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:59,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 02:02:59,212 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:59,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:59,212 INFO L85 PathProgramCache]: Analyzing trace with hash 898144979, now seen corresponding path program 1 times [2024-11-24 02:02:59,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:59,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429338208] [2024-11-24 02:02:59,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:59,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:59,436 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-24 02:02:59,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:59,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429338208] [2024-11-24 02:02:59,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429338208] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:02:59,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675984729] [2024-11-24 02:02:59,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:59,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:02:59,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:02:59,439 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:02:59,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 02:02:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:59,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 02:02:59,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:02:59,791 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:02:59,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675984729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:59,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:02:59,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-24 02:02:59,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191570774] [2024-11-24 02:02:59,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:59,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:02:59,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:59,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:02:59,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:02:59,794 INFO L87 Difference]: Start difference. First operand 682 states and 938 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:59,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:59,888 INFO L93 Difference]: Finished difference Result 1256 states and 1729 transitions. [2024-11-24 02:02:59,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:02:59,889 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 111 [2024-11-24 02:02:59,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:59,894 INFO L225 Difference]: With dead ends: 1256 [2024-11-24 02:02:59,894 INFO L226 Difference]: Without dead ends: 700 [2024-11-24 02:02:59,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:02:59,896 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:59,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 535 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:59,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-24 02:02:59,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 700. [2024-11-24 02:02:59,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 621 states have (on average 1.3365539452495974) internal successors, (830), 625 states have internal predecessors, (830), 63 states have call successors, (63), 15 states have call predecessors, (63), 15 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-24 02:02:59,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 956 transitions. [2024-11-24 02:02:59,965 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 956 transitions. Word has length 111 [2024-11-24 02:02:59,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:59,966 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 956 transitions. [2024-11-24 02:02:59,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:02:59,966 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 956 transitions. [2024-11-24 02:02:59,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-24 02:02:59,968 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:59,968 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:59,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 02:03:00,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-24 02:03:00,173 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:00,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:00,173 INFO L85 PathProgramCache]: Analyzing trace with hash 15762643, now seen corresponding path program 1 times [2024-11-24 02:03:00,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:00,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291985018] [2024-11-24 02:03:00,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:00,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:00,903 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:03:00,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:00,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291985018] [2024-11-24 02:03:00,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291985018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:00,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:00,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:03:00,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259552305] [2024-11-24 02:03:00,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:00,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:03:00,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:00,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:03:00,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:03:00,909 INFO L87 Difference]: Start difference. First operand 700 states and 956 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:01,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:01,078 INFO L93 Difference]: Finished difference Result 720 states and 981 transitions. [2024-11-24 02:03:01,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:03:01,079 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 113 [2024-11-24 02:03:01,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:01,084 INFO L225 Difference]: With dead ends: 720 [2024-11-24 02:03:01,084 INFO L226 Difference]: Without dead ends: 718 [2024-11-24 02:03:01,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:03:01,085 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 64 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:01,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 584 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:03:01,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2024-11-24 02:03:01,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 718. [2024-11-24 02:03:01,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 639 states have (on average 1.3270735524256652) internal successors, (848), 643 states have internal predecessors, (848), 63 states have call successors, (63), 15 states have call predecessors, (63), 15 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-24 02:03:01,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 974 transitions. [2024-11-24 02:03:01,143 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 974 transitions. Word has length 113 [2024-11-24 02:03:01,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:01,144 INFO L471 AbstractCegarLoop]: Abstraction has 718 states and 974 transitions. [2024-11-24 02:03:01,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:01,144 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 974 transitions. [2024-11-24 02:03:01,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-24 02:03:01,146 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:01,147 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:01,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 02:03:01,147 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:01,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:01,148 INFO L85 PathProgramCache]: Analyzing trace with hash 17609685, now seen corresponding path program 1 times [2024-11-24 02:03:01,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:01,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66502171] [2024-11-24 02:03:01,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:01,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:01,803 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:03:01,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:01,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66502171] [2024-11-24 02:03:01,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66502171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:01,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:01,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 02:03:01,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254988386] [2024-11-24 02:03:01,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:01,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:03:01,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:01,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:03:01,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:03:01,806 INFO L87 Difference]: Start difference. First operand 718 states and 974 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:02,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:02,226 INFO L93 Difference]: Finished difference Result 1314 states and 1781 transitions. [2024-11-24 02:03:02,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:03:02,227 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 113 [2024-11-24 02:03:02,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:02,232 INFO L225 Difference]: With dead ends: 1314 [2024-11-24 02:03:02,233 INFO L226 Difference]: Without dead ends: 722 [2024-11-24 02:03:02,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:03:02,235 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 202 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:02,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 782 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 02:03:02,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2024-11-24 02:03:02,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 718. [2024-11-24 02:03:02,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 639 states have (on average 1.322378716744914) internal successors, (845), 643 states have internal predecessors, (845), 63 states have call successors, (63), 15 states have call predecessors, (63), 15 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-24 02:03:02,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 971 transitions. [2024-11-24 02:03:02,307 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 971 transitions. Word has length 113 [2024-11-24 02:03:02,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:02,308 INFO L471 AbstractCegarLoop]: Abstraction has 718 states and 971 transitions. [2024-11-24 02:03:02,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:02,308 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 971 transitions. [2024-11-24 02:03:02,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-24 02:03:02,310 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:02,310 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:02,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 02:03:02,311 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:02,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:02,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1792617047, now seen corresponding path program 1 times [2024-11-24 02:03:02,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:02,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284372604] [2024-11-24 02:03:02,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:02,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:02,606 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:03:02,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:02,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284372604] [2024-11-24 02:03:02,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284372604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:02,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:02,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:03:02,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553339653] [2024-11-24 02:03:02,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:02,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:03:02,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:02,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:03:02,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:02,608 INFO L87 Difference]: Start difference. First operand 718 states and 971 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:02,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:02,760 INFO L93 Difference]: Finished difference Result 1318 states and 1777 transitions. [2024-11-24 02:03:02,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:03:02,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 113 [2024-11-24 02:03:02,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:02,767 INFO L225 Difference]: With dead ends: 1318 [2024-11-24 02:03:02,767 INFO L226 Difference]: Without dead ends: 726 [2024-11-24 02:03:02,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:03:02,770 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 102 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:02,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 563 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:03:02,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2024-11-24 02:03:02,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 726. [2024-11-24 02:03:02,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 645 states have (on average 1.310077519379845) internal successors, (845), 649 states have internal predecessors, (845), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-24 02:03:02,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 971 transitions. [2024-11-24 02:03:02,847 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 971 transitions. Word has length 113 [2024-11-24 02:03:02,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:02,848 INFO L471 AbstractCegarLoop]: Abstraction has 726 states and 971 transitions. [2024-11-24 02:03:02,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:02,848 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 971 transitions. [2024-11-24 02:03:02,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-24 02:03:02,851 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:02,851 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:02,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 02:03:02,852 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:02,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:02,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1822291879, now seen corresponding path program 1 times [2024-11-24 02:03:02,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:02,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737259413] [2024-11-24 02:03:02,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:02,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:03,075 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-24 02:03:03,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:03,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737259413] [2024-11-24 02:03:03,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737259413] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:03:03,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708454789] [2024-11-24 02:03:03,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:03,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:03:03,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:03,079 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:03:03,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 02:03:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:03,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 02:03:03,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:03,406 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:03:03,406 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:03:03,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708454789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:03,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:03:03,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-24 02:03:03,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501599638] [2024-11-24 02:03:03,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:03,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:03:03,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:03,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:03:03,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:03:03,409 INFO L87 Difference]: Start difference. First operand 726 states and 971 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:03,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:03,496 INFO L93 Difference]: Finished difference Result 1344 states and 1795 transitions. [2024-11-24 02:03:03,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:03:03,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 113 [2024-11-24 02:03:03,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:03,501 INFO L225 Difference]: With dead ends: 1344 [2024-11-24 02:03:03,501 INFO L226 Difference]: Without dead ends: 744 [2024-11-24 02:03:03,502 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:03:03,506 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:03,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 536 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:03:03,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-24 02:03:03,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2024-11-24 02:03:03,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 663 states have (on average 1.301659125188537) internal successors, (863), 667 states have internal predecessors, (863), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-24 02:03:03,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 989 transitions. [2024-11-24 02:03:03,579 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 989 transitions. Word has length 113 [2024-11-24 02:03:03,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:03,580 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 989 transitions. [2024-11-24 02:03:03,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:03,580 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 989 transitions. [2024-11-24 02:03:03,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 02:03:03,582 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:03,582 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:03,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 02:03:03,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:03:03,784 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:03,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:03,785 INFO L85 PathProgramCache]: Analyzing trace with hash 310078142, now seen corresponding path program 1 times [2024-11-24 02:03:03,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:03,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102667153] [2024-11-24 02:03:03,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:03,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:04,038 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-24 02:03:04,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:04,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102667153] [2024-11-24 02:03:04,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102667153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:03:04,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238094533] [2024-11-24 02:03:04,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:04,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:03:04,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:04,043 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:03:04,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 02:03:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:04,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 02:03:04,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:04,373 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:03:04,373 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:03:04,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238094533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:04,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:03:04,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-11-24 02:03:04,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104338710] [2024-11-24 02:03:04,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:04,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:03:04,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:04,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:03:04,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-24 02:03:04,375 INFO L87 Difference]: Start difference. First operand 744 states and 989 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:04,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:04,477 INFO L93 Difference]: Finished difference Result 1386 states and 1837 transitions. [2024-11-24 02:03:04,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:03:04,478 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 116 [2024-11-24 02:03:04,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:04,485 INFO L225 Difference]: With dead ends: 1386 [2024-11-24 02:03:04,485 INFO L226 Difference]: Without dead ends: 768 [2024-11-24 02:03:04,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-24 02:03:04,487 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:04,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 665 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:03:04,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2024-11-24 02:03:04,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 750. [2024-11-24 02:03:04,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 669 states have (on average 1.2989536621823616) internal successors, (869), 673 states have internal predecessors, (869), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-24 02:03:04,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 995 transitions. [2024-11-24 02:03:04,554 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 995 transitions. Word has length 116 [2024-11-24 02:03:04,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:04,555 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 995 transitions. [2024-11-24 02:03:04,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:04,555 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 995 transitions. [2024-11-24 02:03:04,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 02:03:04,557 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:04,558 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:04,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 02:03:04,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:03:04,760 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:04,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:04,760 INFO L85 PathProgramCache]: Analyzing trace with hash 211762456, now seen corresponding path program 1 times [2024-11-24 02:03:04,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:04,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174681305] [2024-11-24 02:03:04,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:04,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:05,143 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:03:05,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:05,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174681305] [2024-11-24 02:03:05,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174681305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:05,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:05,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:03:05,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774002093] [2024-11-24 02:03:05,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:05,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:03:05,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:05,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:03:05,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:05,145 INFO L87 Difference]: Start difference. First operand 750 states and 995 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:05,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:05,346 INFO L93 Difference]: Finished difference Result 1378 states and 1823 transitions. [2024-11-24 02:03:05,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:03:05,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 118 [2024-11-24 02:03:05,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:05,351 INFO L225 Difference]: With dead ends: 1378 [2024-11-24 02:03:05,351 INFO L226 Difference]: Without dead ends: 754 [2024-11-24 02:03:05,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:03:05,355 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 87 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:05,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 493 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:03:05,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-11-24 02:03:05,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 750. [2024-11-24 02:03:05,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 669 states have (on average 1.2944693572496264) internal successors, (866), 673 states have internal predecessors, (866), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-24 02:03:05,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 992 transitions. [2024-11-24 02:03:05,423 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 992 transitions. Word has length 118 [2024-11-24 02:03:05,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:05,424 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 992 transitions. [2024-11-24 02:03:05,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:05,424 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 992 transitions. [2024-11-24 02:03:05,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 02:03:05,426 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:05,427 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:05,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-24 02:03:05,427 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:05,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:05,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1656840533, now seen corresponding path program 1 times [2024-11-24 02:03:05,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:05,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372984647] [2024-11-24 02:03:05,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:05,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:03:05,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:05,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372984647] [2024-11-24 02:03:05,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372984647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:05,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:05,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:03:05,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753588630] [2024-11-24 02:03:05,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:05,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:03:05,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:05,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:03:05,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:03:05,817 INFO L87 Difference]: Start difference. First operand 750 states and 992 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:06,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:06,077 INFO L93 Difference]: Finished difference Result 1378 states and 1817 transitions. [2024-11-24 02:03:06,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:03:06,078 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 122 [2024-11-24 02:03:06,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:06,083 INFO L225 Difference]: With dead ends: 1378 [2024-11-24 02:03:06,083 INFO L226 Difference]: Without dead ends: 754 [2024-11-24 02:03:06,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:03:06,085 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 179 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:06,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 474 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 02:03:06,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-11-24 02:03:06,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 750. [2024-11-24 02:03:06,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 669 states have (on average 1.289985052316891) internal successors, (863), 673 states have internal predecessors, (863), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-24 02:03:06,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 989 transitions. [2024-11-24 02:03:06,159 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 989 transitions. Word has length 122 [2024-11-24 02:03:06,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:06,160 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 989 transitions. [2024-11-24 02:03:06,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:06,160 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 989 transitions. [2024-11-24 02:03:06,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 02:03:06,162 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:06,163 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:06,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-24 02:03:06,163 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:06,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:06,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1999509487, now seen corresponding path program 1 times [2024-11-24 02:03:06,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:06,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935165838] [2024-11-24 02:03:06,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:06,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:06,544 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:03:06,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:06,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935165838] [2024-11-24 02:03:06,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935165838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:06,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:06,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:03:06,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001396316] [2024-11-24 02:03:06,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:06,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:03:06,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:06,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:03:06,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:03:06,547 INFO L87 Difference]: Start difference. First operand 750 states and 989 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:06,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:06,756 INFO L93 Difference]: Finished difference Result 1378 states and 1811 transitions. [2024-11-24 02:03:06,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:03:06,756 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 123 [2024-11-24 02:03:06,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:06,763 INFO L225 Difference]: With dead ends: 1378 [2024-11-24 02:03:06,763 INFO L226 Difference]: Without dead ends: 754 [2024-11-24 02:03:06,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:03:06,765 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 104 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:06,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 611 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:03:06,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-11-24 02:03:06,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 750. [2024-11-24 02:03:06,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 669 states have (on average 1.2855007473841555) internal successors, (860), 673 states have internal predecessors, (860), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-24 02:03:06,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 986 transitions. [2024-11-24 02:03:06,820 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 986 transitions. Word has length 123 [2024-11-24 02:03:06,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:06,820 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 986 transitions. [2024-11-24 02:03:06,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:06,821 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 986 transitions. [2024-11-24 02:03:06,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 02:03:06,823 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:06,823 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:06,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-24 02:03:06,824 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:06,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:06,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1268947704, now seen corresponding path program 1 times [2024-11-24 02:03:06,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:06,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231808104] [2024-11-24 02:03:06,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:06,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:07,178 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:03:07,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:07,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231808104] [2024-11-24 02:03:07,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231808104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:07,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:07,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:03:07,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612692029] [2024-11-24 02:03:07,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:07,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:03:07,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:07,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:03:07,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:03:07,181 INFO L87 Difference]: Start difference. First operand 750 states and 986 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:07,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:07,397 INFO L93 Difference]: Finished difference Result 1378 states and 1805 transitions. [2024-11-24 02:03:07,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:03:07,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 124 [2024-11-24 02:03:07,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:07,402 INFO L225 Difference]: With dead ends: 1378 [2024-11-24 02:03:07,402 INFO L226 Difference]: Without dead ends: 754 [2024-11-24 02:03:07,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:03:07,404 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 83 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:07,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 596 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:03:07,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-11-24 02:03:07,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 750. [2024-11-24 02:03:07,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 669 states have (on average 1.28101644245142) internal successors, (857), 673 states have internal predecessors, (857), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-24 02:03:07,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 983 transitions. [2024-11-24 02:03:07,470 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 983 transitions. Word has length 124 [2024-11-24 02:03:07,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:07,471 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 983 transitions. [2024-11-24 02:03:07,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:07,472 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 983 transitions. [2024-11-24 02:03:07,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 02:03:07,474 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:07,474 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:07,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-24 02:03:07,475 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:07,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:07,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1094508302, now seen corresponding path program 1 times [2024-11-24 02:03:07,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:07,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812025588] [2024-11-24 02:03:07,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:07,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:08,486 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:03:08,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:08,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812025588] [2024-11-24 02:03:08,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812025588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:08,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:08,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-24 02:03:08,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927333998] [2024-11-24 02:03:08,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:08,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 02:03:08,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:08,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 02:03:08,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-24 02:03:08,489 INFO L87 Difference]: Start difference. First operand 750 states and 983 transitions. Second operand has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:09,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:09,206 INFO L93 Difference]: Finished difference Result 2274 states and 2923 transitions. [2024-11-24 02:03:09,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-24 02:03:09,207 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 126 [2024-11-24 02:03:09,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:09,215 INFO L225 Difference]: With dead ends: 2274 [2024-11-24 02:03:09,215 INFO L226 Difference]: Without dead ends: 1650 [2024-11-24 02:03:09,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2024-11-24 02:03:09,218 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 197 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:09,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 1645 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 02:03:09,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2024-11-24 02:03:09,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1372. [2024-11-24 02:03:09,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1213 states have (on average 1.2431986809563067) internal successors, (1508), 1223 states have internal predecessors, (1508), 123 states have call successors, (123), 35 states have call predecessors, (123), 35 states have return successors, (123), 113 states have call predecessors, (123), 123 states have call successors, (123) [2024-11-24 02:03:09,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1754 transitions. [2024-11-24 02:03:09,367 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1754 transitions. Word has length 126 [2024-11-24 02:03:09,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:09,368 INFO L471 AbstractCegarLoop]: Abstraction has 1372 states and 1754 transitions. [2024-11-24 02:03:09,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:09,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1754 transitions. [2024-11-24 02:03:09,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-24 02:03:09,371 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:09,371 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:09,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-24 02:03:09,373 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:09,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:09,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1776312839, now seen corresponding path program 1 times [2024-11-24 02:03:09,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:09,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336503402] [2024-11-24 02:03:09,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:09,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:09,587 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:03:09,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:09,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336503402] [2024-11-24 02:03:09,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336503402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:09,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:09,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:03:09,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922037389] [2024-11-24 02:03:09,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:09,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:03:09,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:09,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:03:09,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:03:09,589 INFO L87 Difference]: Start difference. First operand 1372 states and 1754 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:09,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:09,731 INFO L93 Difference]: Finished difference Result 2027 states and 2598 transitions. [2024-11-24 02:03:09,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:03:09,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 129 [2024-11-24 02:03:09,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:09,740 INFO L225 Difference]: With dead ends: 2027 [2024-11-24 02:03:09,740 INFO L226 Difference]: Without dead ends: 1378 [2024-11-24 02:03:09,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:09,743 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 94 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:09,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 395 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:03:09,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2024-11-24 02:03:09,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1372. [2024-11-24 02:03:09,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1213 states have (on average 1.2366034624896949) internal successors, (1500), 1223 states have internal predecessors, (1500), 123 states have call successors, (123), 35 states have call predecessors, (123), 35 states have return successors, (123), 113 states have call predecessors, (123), 123 states have call successors, (123) [2024-11-24 02:03:09,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1746 transitions. [2024-11-24 02:03:09,868 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1746 transitions. Word has length 129 [2024-11-24 02:03:09,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:09,869 INFO L471 AbstractCegarLoop]: Abstraction has 1372 states and 1746 transitions. [2024-11-24 02:03:09,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:09,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1746 transitions. [2024-11-24 02:03:09,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 02:03:09,871 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:09,871 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:09,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-24 02:03:09,872 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:09,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:09,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1874605513, now seen corresponding path program 1 times [2024-11-24 02:03:09,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:09,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180799740] [2024-11-24 02:03:09,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:09,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:10,090 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:03:10,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:10,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180799740] [2024-11-24 02:03:10,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180799740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:10,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:10,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:03:10,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070346884] [2024-11-24 02:03:10,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:10,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:03:10,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:10,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:03:10,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:03:10,093 INFO L87 Difference]: Start difference. First operand 1372 states and 1746 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:10,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:10,279 INFO L93 Difference]: Finished difference Result 2039 states and 2606 transitions. [2024-11-24 02:03:10,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:03:10,280 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 132 [2024-11-24 02:03:10,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:10,288 INFO L225 Difference]: With dead ends: 2039 [2024-11-24 02:03:10,288 INFO L226 Difference]: Without dead ends: 1378 [2024-11-24 02:03:10,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:10,292 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 95 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:10,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 382 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:03:10,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2024-11-24 02:03:10,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1372. [2024-11-24 02:03:10,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1213 states have (on average 1.2300082440230833) internal successors, (1492), 1223 states have internal predecessors, (1492), 123 states have call successors, (123), 35 states have call predecessors, (123), 35 states have return successors, (123), 113 states have call predecessors, (123), 123 states have call successors, (123) [2024-11-24 02:03:10,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1738 transitions. [2024-11-24 02:03:10,470 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1738 transitions. Word has length 132 [2024-11-24 02:03:10,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:10,473 INFO L471 AbstractCegarLoop]: Abstraction has 1372 states and 1738 transitions. [2024-11-24 02:03:10,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:10,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1738 transitions. [2024-11-24 02:03:10,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-24 02:03:10,477 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:10,477 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:10,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-24 02:03:10,477 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:10,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:10,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1990734427, now seen corresponding path program 1 times [2024-11-24 02:03:10,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:10,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962634002] [2024-11-24 02:03:10,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:10,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:10,756 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:03:10,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:10,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962634002] [2024-11-24 02:03:10,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962634002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:10,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:10,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:03:10,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543796415] [2024-11-24 02:03:10,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:10,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:03:10,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:10,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:03:10,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:10,760 INFO L87 Difference]: Start difference. First operand 1372 states and 1738 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:11,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:11,037 INFO L93 Difference]: Finished difference Result 2039 states and 2594 transitions. [2024-11-24 02:03:11,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:03:11,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 133 [2024-11-24 02:03:11,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:11,047 INFO L225 Difference]: With dead ends: 2039 [2024-11-24 02:03:11,047 INFO L226 Difference]: Without dead ends: 1378 [2024-11-24 02:03:11,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:03:11,051 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 93 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:11,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 486 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:03:11,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2024-11-24 02:03:11,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1372. [2024-11-24 02:03:11,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1213 states have (on average 1.2234130255564715) internal successors, (1484), 1223 states have internal predecessors, (1484), 123 states have call successors, (123), 35 states have call predecessors, (123), 35 states have return successors, (123), 113 states have call predecessors, (123), 123 states have call successors, (123) [2024-11-24 02:03:11,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1730 transitions. [2024-11-24 02:03:11,158 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1730 transitions. Word has length 133 [2024-11-24 02:03:11,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:11,160 INFO L471 AbstractCegarLoop]: Abstraction has 1372 states and 1730 transitions. [2024-11-24 02:03:11,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:11,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1730 transitions. [2024-11-24 02:03:11,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 02:03:11,162 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:11,162 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:11,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-24 02:03:11,162 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:11,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:11,163 INFO L85 PathProgramCache]: Analyzing trace with hash -2009906548, now seen corresponding path program 1 times [2024-11-24 02:03:11,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:11,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264786924] [2024-11-24 02:03:11,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:11,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:11,494 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:03:11,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:11,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264786924] [2024-11-24 02:03:11,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264786924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:11,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:11,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:03:11,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517646997] [2024-11-24 02:03:11,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:11,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:03:11,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:11,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:03:11,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:03:11,497 INFO L87 Difference]: Start difference. First operand 1372 states and 1730 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:11,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:11,783 INFO L93 Difference]: Finished difference Result 2027 states and 2562 transitions. [2024-11-24 02:03:11,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:03:11,783 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 134 [2024-11-24 02:03:11,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:11,790 INFO L225 Difference]: With dead ends: 2027 [2024-11-24 02:03:11,791 INFO L226 Difference]: Without dead ends: 1378 [2024-11-24 02:03:11,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:03:11,793 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 90 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:11,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 610 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 02:03:11,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2024-11-24 02:03:11,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1372. [2024-11-24 02:03:11,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1213 states have (on average 1.2168178070898599) internal successors, (1476), 1223 states have internal predecessors, (1476), 123 states have call successors, (123), 35 states have call predecessors, (123), 35 states have return successors, (123), 113 states have call predecessors, (123), 123 states have call successors, (123) [2024-11-24 02:03:11,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1722 transitions. [2024-11-24 02:03:11,905 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1722 transitions. Word has length 134 [2024-11-24 02:03:11,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:11,906 INFO L471 AbstractCegarLoop]: Abstraction has 1372 states and 1722 transitions. [2024-11-24 02:03:11,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1722 transitions. [2024-11-24 02:03:11,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-24 02:03:11,909 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:11,909 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:11,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-24 02:03:11,910 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:11,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:11,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1690932808, now seen corresponding path program 1 times [2024-11-24 02:03:11,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:11,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157652610] [2024-11-24 02:03:11,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:11,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:12,276 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:03:12,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:12,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157652610] [2024-11-24 02:03:12,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157652610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:12,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:12,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:03:12,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341956738] [2024-11-24 02:03:12,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:12,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:03:12,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:12,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:03:12,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:12,278 INFO L87 Difference]: Start difference. First operand 1372 states and 1722 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:12,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:12,468 INFO L93 Difference]: Finished difference Result 2006 states and 2527 transitions. [2024-11-24 02:03:12,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:03:12,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 136 [2024-11-24 02:03:12,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:12,476 INFO L225 Difference]: With dead ends: 2006 [2024-11-24 02:03:12,477 INFO L226 Difference]: Without dead ends: 1374 [2024-11-24 02:03:12,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:03:12,479 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 157 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:12,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 419 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:03:12,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2024-11-24 02:03:12,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1372. [2024-11-24 02:03:12,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1213 states have (on average 1.2143446001648805) internal successors, (1473), 1223 states have internal predecessors, (1473), 123 states have call successors, (123), 35 states have call predecessors, (123), 35 states have return successors, (123), 113 states have call predecessors, (123), 123 states have call successors, (123) [2024-11-24 02:03:12,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1719 transitions. [2024-11-24 02:03:12,638 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1719 transitions. Word has length 136 [2024-11-24 02:03:12,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:12,638 INFO L471 AbstractCegarLoop]: Abstraction has 1372 states and 1719 transitions. [2024-11-24 02:03:12,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:12,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1719 transitions. [2024-11-24 02:03:12,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-24 02:03:12,642 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:12,642 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:12,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-24 02:03:12,642 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:12,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:12,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1031401286, now seen corresponding path program 1 times [2024-11-24 02:03:12,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:12,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94988907] [2024-11-24 02:03:12,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:12,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:13,827 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 02:03:13,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:13,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94988907] [2024-11-24 02:03:13,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94988907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:13,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:13,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-24 02:03:13,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53042675] [2024-11-24 02:03:13,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:13,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 02:03:13,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:13,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 02:03:13,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-24 02:03:13,829 INFO L87 Difference]: Start difference. First operand 1372 states and 1719 transitions. Second operand has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 14 states have internal predecessors, (74), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:14,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:14,874 INFO L93 Difference]: Finished difference Result 3550 states and 4406 transitions. [2024-11-24 02:03:14,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-24 02:03:14,875 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 14 states have internal predecessors, (74), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 136 [2024-11-24 02:03:14,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:14,886 INFO L225 Difference]: With dead ends: 3550 [2024-11-24 02:03:14,886 INFO L226 Difference]: Without dead ends: 2926 [2024-11-24 02:03:14,890 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2024-11-24 02:03:14,891 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 247 mSDsluCounter, 2601 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 2880 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:14,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 2880 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 02:03:14,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2926 states. [2024-11-24 02:03:15,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2926 to 1762. [2024-11-24 02:03:15,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1762 states, 1589 states have (on average 1.2303335431088736) internal successors, (1955), 1601 states have internal predecessors, (1955), 133 states have call successors, (133), 39 states have call predecessors, (133), 39 states have return successors, (133), 121 states have call predecessors, (133), 133 states have call successors, (133) [2024-11-24 02:03:15,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1762 states and 2221 transitions. [2024-11-24 02:03:15,042 INFO L78 Accepts]: Start accepts. Automaton has 1762 states and 2221 transitions. Word has length 136 [2024-11-24 02:03:15,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:15,043 INFO L471 AbstractCegarLoop]: Abstraction has 1762 states and 2221 transitions. [2024-11-24 02:03:15,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 14 states have internal predecessors, (74), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:03:15,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2221 transitions. [2024-11-24 02:03:15,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-24 02:03:15,049 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:15,049 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:15,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-24 02:03:15,049 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:15,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:15,050 INFO L85 PathProgramCache]: Analyzing trace with hash -126764528, now seen corresponding path program 1 times [2024-11-24 02:03:15,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:15,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660610572] [2024-11-24 02:03:15,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:15,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:46,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 13 proven. 36 refuted. 0 times theorem prover too weak. 1302 trivial. 0 not checked. [2024-11-24 02:05:46,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:05:46,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660610572] [2024-11-24 02:05:46,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660610572] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:05:46,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183901219] [2024-11-24 02:05:46,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:46,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:05:46,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:05:46,275 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:05:46,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 02:05:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:46,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-24 02:05:46,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:47,415 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 [2024-11-24 02:05:47,441 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 [2024-11-24 02:05:47,542 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 51 treesize of output 31 [2024-11-24 02:05:47,568 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 [2024-11-24 02:05:47,999 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 73 treesize of output 41 [2024-11-24 02:05:48,007 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 23 treesize of output 15 [2024-11-24 02:05:48,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 13 proven. 712 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2024-11-24 02:05:48,109 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:05:48,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1331 trivial. 0 not checked. [2024-11-24 02:05:48,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183901219] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 02:05:48,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-24 02:05:48,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 7] total 16 [2024-11-24 02:05:48,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767126627] [2024-11-24 02:05:48,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:48,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:05:48,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:05:48,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:05:48,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-24 02:05:48,579 INFO L87 Difference]: Start difference. First operand 1762 states and 2221 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:05:48,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:48,968 INFO L93 Difference]: Finished difference Result 3002 states and 3811 transitions. [2024-11-24 02:05:48,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:05:48,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 221 [2024-11-24 02:05:48,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:48,981 INFO L225 Difference]: With dead ends: 3002 [2024-11-24 02:05:48,981 INFO L226 Difference]: Without dead ends: 2169 [2024-11-24 02:05:48,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 437 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-24 02:05:48,985 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 148 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:48,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 395 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 02:05:48,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2169 states. [2024-11-24 02:05:49,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2169 to 1732. [2024-11-24 02:05:49,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1559 states have (on average 1.2187299550994226) internal successors, (1900), 1571 states have internal predecessors, (1900), 133 states have call successors, (133), 39 states have call predecessors, (133), 39 states have return successors, (133), 121 states have call predecessors, (133), 133 states have call successors, (133) [2024-11-24 02:05:49,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2166 transitions. [2024-11-24 02:05:49,139 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2166 transitions. Word has length 221 [2024-11-24 02:05:49,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:49,140 INFO L471 AbstractCegarLoop]: Abstraction has 1732 states and 2166 transitions. [2024-11-24 02:05:49,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:05:49,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2166 transitions. [2024-11-24 02:05:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-24 02:05:49,146 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:49,147 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:05:49,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-24 02:05:49,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:05:49,351 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:49,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:49,353 INFO L85 PathProgramCache]: Analyzing trace with hash -747374768, now seen corresponding path program 1 times [2024-11-24 02:05:49,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:05:49,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899055022] [2024-11-24 02:05:49,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:49,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:05:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:56,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 1302 trivial. 0 not checked. [2024-11-24 02:06:56,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:06:56,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899055022] [2024-11-24 02:06:56,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899055022] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:06:56,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651651876] [2024-11-24 02:06:56,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:56,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:06:56,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:06:56,815 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:06:56,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-24 02:06:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:57,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-24 02:06:57,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:06:57,672 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 [2024-11-24 02:06:57,684 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 [2024-11-24 02:06:57,718 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 32 treesize of output 20 [2024-11-24 02:06:57,724 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 [2024-11-24 02:06:58,048 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 166 treesize of output 118 [2024-11-24 02:06:58,054 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 119 treesize of output 83 [2024-11-24 02:06:58,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 15 proven. 710 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2024-11-24 02:06:58,184 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:06:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1331 trivial. 0 not checked. [2024-11-24 02:06:58,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651651876] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 02:06:58,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-24 02:06:58,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13, 7] total 17 [2024-11-24 02:06:58,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604006435] [2024-11-24 02:06:58,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:58,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:06:58,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:06:58,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:06:58,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-11-24 02:06:58,873 INFO L87 Difference]: Start difference. First operand 1732 states and 2166 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:06:59,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:59,207 INFO L93 Difference]: Finished difference Result 2952 states and 3716 transitions. [2024-11-24 02:06:59,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:06:59,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 221 [2024-11-24 02:06:59,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:59,223 INFO L225 Difference]: With dead ends: 2952 [2024-11-24 02:06:59,223 INFO L226 Difference]: Without dead ends: 2149 [2024-11-24 02:06:59,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 435 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-11-24 02:06:59,229 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 152 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:06:59,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 499 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 02:06:59,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2024-11-24 02:06:59,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 1712. [2024-11-24 02:06:59,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1539 states have (on average 1.2098765432098766) internal successors, (1862), 1551 states have internal predecessors, (1862), 133 states have call successors, (133), 39 states have call predecessors, (133), 39 states have return successors, (133), 121 states have call predecessors, (133), 133 states have call successors, (133) [2024-11-24 02:06:59,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2128 transitions. [2024-11-24 02:06:59,343 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2128 transitions. Word has length 221 [2024-11-24 02:06:59,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:59,343 INFO L471 AbstractCegarLoop]: Abstraction has 1712 states and 2128 transitions. [2024-11-24 02:06:59,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:06:59,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2128 transitions. [2024-11-24 02:06:59,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-24 02:06:59,356 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:59,356 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 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, 1, 1, 1, 1, 1] [2024-11-24 02:06:59,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-24 02:06:59,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-24 02:06:59,560 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:06:59,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:59,561 INFO L85 PathProgramCache]: Analyzing trace with hash -2112920029, now seen corresponding path program 1 times [2024-11-24 02:06:59,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:06:59,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421040021] [2024-11-24 02:06:59,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:59,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:06:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:59,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2024-11-24 02:06:59,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:06:59,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421040021] [2024-11-24 02:06:59,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421040021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:59,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:06:59,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:06:59,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370359080] [2024-11-24 02:06:59,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:59,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:06:59,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:06:59,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:06:59,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:06:59,713 INFO L87 Difference]: Start difference. First operand 1712 states and 2128 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:06:59,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:59,826 INFO L93 Difference]: Finished difference Result 3643 states and 4576 transitions. [2024-11-24 02:06:59,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:06:59,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 223 [2024-11-24 02:06:59,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:59,838 INFO L225 Difference]: With dead ends: 3643 [2024-11-24 02:06:59,838 INFO L226 Difference]: Without dead ends: 2095 [2024-11-24 02:06:59,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:06:59,842 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 72 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:06:59,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 412 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:06:59,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2024-11-24 02:06:59,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 1684. [2024-11-24 02:06:59,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1511 states have (on average 1.213765718067505) internal successors, (1834), 1523 states have internal predecessors, (1834), 133 states have call successors, (133), 39 states have call predecessors, (133), 39 states have return successors, (133), 121 states have call predecessors, (133), 133 states have call successors, (133) [2024-11-24 02:06:59,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2100 transitions. [2024-11-24 02:06:59,958 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2100 transitions. Word has length 223 [2024-11-24 02:06:59,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:59,959 INFO L471 AbstractCegarLoop]: Abstraction has 1684 states and 2100 transitions. [2024-11-24 02:06:59,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:06:59,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2100 transitions. [2024-11-24 02:06:59,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-24 02:06:59,964 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:59,964 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 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] [2024-11-24 02:06:59,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-24 02:06:59,964 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:06:59,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:59,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1638862907, now seen corresponding path program 1 times [2024-11-24 02:06:59,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:06:59,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108426041] [2024-11-24 02:06:59,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:59,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:07:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:00,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2024-11-24 02:07:00,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:07:00,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108426041] [2024-11-24 02:07:00,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108426041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:07:00,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:07:00,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:07:00,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554467137] [2024-11-24 02:07:00,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:07:00,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:07:00,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:07:00,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:07:00,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:07:00,122 INFO L87 Difference]: Start difference. First operand 1684 states and 2100 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:07:00,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:07:00,238 INFO L93 Difference]: Finished difference Result 2944 states and 3728 transitions. [2024-11-24 02:07:00,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:07:00,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 225 [2024-11-24 02:07:00,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:07:00,245 INFO L225 Difference]: With dead ends: 2944 [2024-11-24 02:07:00,245 INFO L226 Difference]: Without dead ends: 1976 [2024-11-24 02:07:00,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:07:00,248 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 75 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:07:00,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 531 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:07:00,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1976 states. [2024-11-24 02:07:00,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1976 to 1684. [2024-11-24 02:07:00,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1511 states have (on average 1.2071475843812045) internal successors, (1824), 1523 states have internal predecessors, (1824), 133 states have call successors, (133), 39 states have call predecessors, (133), 39 states have return successors, (133), 121 states have call predecessors, (133), 133 states have call successors, (133) [2024-11-24 02:07:00,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2090 transitions. [2024-11-24 02:07:00,354 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2090 transitions. Word has length 225 [2024-11-24 02:07:00,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:07:00,354 INFO L471 AbstractCegarLoop]: Abstraction has 1684 states and 2090 transitions. [2024-11-24 02:07:00,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:07:00,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2090 transitions. [2024-11-24 02:07:00,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-24 02:07:00,359 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:07:00,359 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:07:00,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-24 02:07:00,359 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:07:00,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:07:00,360 INFO L85 PathProgramCache]: Analyzing trace with hash 106763262, now seen corresponding path program 1 times [2024-11-24 02:07:00,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:07:00,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639589320] [2024-11-24 02:07:00,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:07:00,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:07:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:03,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 147 proven. 32 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-11-24 02:07:03,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:07:03,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639589320] [2024-11-24 02:07:03,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639589320] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:07:03,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409177888] [2024-11-24 02:07:03,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:07:03,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:07:03,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:07:03,124 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:07:03,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-24 02:07:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:03,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-24 02:07:03,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:07:04,077 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 [2024-11-24 02:07:04,114 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 [2024-11-24 02:07:04,328 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 65 treesize of output 53 [2024-11-24 02:07:04,389 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 59 treesize of output 39 [2024-11-24 02:07:04,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 9 proven. 378 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-24 02:07:04,449 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:07:04,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2024-11-24 02:07:04,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409177888] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 02:07:04,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-24 02:07:04,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [20, 10] total 26 [2024-11-24 02:07:04,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104300419] [2024-11-24 02:07:04,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:07:04,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 02:07:04,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:07:04,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 02:07:04,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2024-11-24 02:07:04,871 INFO L87 Difference]: Start difference. First operand 1684 states and 2090 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:07:05,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:07:05,498 INFO L93 Difference]: Finished difference Result 3415 states and 4300 transitions. [2024-11-24 02:07:05,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 02:07:05,499 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 225 [2024-11-24 02:07:05,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:07:05,508 INFO L225 Difference]: With dead ends: 3415 [2024-11-24 02:07:05,508 INFO L226 Difference]: Without dead ends: 2447 [2024-11-24 02:07:05,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=82, Invalid=848, Unknown=0, NotChecked=0, Total=930 [2024-11-24 02:07:05,511 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 111 mSDsluCounter, 1370 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 1593 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:07:05,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 1593 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 02:07:05,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2447 states. [2024-11-24 02:07:05,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2447 to 2443. [2024-11-24 02:07:05,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2443 states, 2202 states have (on average 1.2179836512261581) internal successors, (2682), 2222 states have internal predecessors, (2682), 185 states have call successors, (185), 55 states have call predecessors, (185), 55 states have return successors, (185), 165 states have call predecessors, (185), 185 states have call successors, (185) [2024-11-24 02:07:05,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2443 states to 2443 states and 3052 transitions. [2024-11-24 02:07:05,682 INFO L78 Accepts]: Start accepts. Automaton has 2443 states and 3052 transitions. Word has length 225 [2024-11-24 02:07:05,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:07:05,683 INFO L471 AbstractCegarLoop]: Abstraction has 2443 states and 3052 transitions. [2024-11-24 02:07:05,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:07:05,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2443 states and 3052 transitions. [2024-11-24 02:07:05,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-24 02:07:05,687 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:07:05,687 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:07:05,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-24 02:07:05,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-24 02:07:05,889 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:07:05,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:07:05,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1173100416, now seen corresponding path program 1 times [2024-11-24 02:07:05,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:07:05,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165171110] [2024-11-24 02:07:05,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:07:05,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:07:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:06,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2024-11-24 02:07:06,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:07:06,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165171110] [2024-11-24 02:07:06,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165171110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:07:06,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:07:06,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:07:06,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600808850] [2024-11-24 02:07:06,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:07:06,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:07:06,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:07:06,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:07:06,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:07:06,185 INFO L87 Difference]: Start difference. First operand 2443 states and 3052 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:07:06,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:07:06,499 INFO L93 Difference]: Finished difference Result 4110 states and 5178 transitions. [2024-11-24 02:07:06,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:07:06,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 225 [2024-11-24 02:07:06,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:07:06,509 INFO L225 Difference]: With dead ends: 4110 [2024-11-24 02:07:06,509 INFO L226 Difference]: Without dead ends: 2383 [2024-11-24 02:07:06,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:07:06,513 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 103 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:07:06,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 798 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:07:06,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2383 states. [2024-11-24 02:07:06,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2383 to 2379. [2024-11-24 02:07:06,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2379 states, 2138 states have (on average 1.215154349859682) internal successors, (2598), 2158 states have internal predecessors, (2598), 185 states have call successors, (185), 55 states have call predecessors, (185), 55 states have return successors, (185), 165 states have call predecessors, (185), 185 states have call successors, (185) [2024-11-24 02:07:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 2379 states and 2968 transitions. [2024-11-24 02:07:06,705 INFO L78 Accepts]: Start accepts. Automaton has 2379 states and 2968 transitions. Word has length 225 [2024-11-24 02:07:06,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:07:06,705 INFO L471 AbstractCegarLoop]: Abstraction has 2379 states and 2968 transitions. [2024-11-24 02:07:06,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:07:06,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2379 states and 2968 transitions. [2024-11-24 02:07:06,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-24 02:07:06,710 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:07:06,710 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:07:06,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-24 02:07:06,711 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:07:06,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:07:06,711 INFO L85 PathProgramCache]: Analyzing trace with hash 129395516, now seen corresponding path program 1 times [2024-11-24 02:07:06,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:07:06,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120432915] [2024-11-24 02:07:06,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:07:06,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:07:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:07,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 12 proven. 23 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2024-11-24 02:07:07,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:07:07,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120432915] [2024-11-24 02:07:07,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120432915] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:07:07,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741689740] [2024-11-24 02:07:07,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:07:07,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:07:07,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:07:07,154 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:07:07,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-24 02:07:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:07,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:07:07,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:07:07,547 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 21 treesize of output 13 [2024-11-24 02:07:07,551 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 [2024-11-24 02:07:07,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2024-11-24 02:07:07,555 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:07:07,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741689740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:07:07,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:07:07,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2024-11-24 02:07:07,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684573720] [2024-11-24 02:07:07,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:07:07,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:07:07,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:07:07,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:07:07,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:07:07,557 INFO L87 Difference]: Start difference. First operand 2379 states and 2968 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:07:07,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:07:07,819 INFO L93 Difference]: Finished difference Result 4508 states and 5673 transitions. [2024-11-24 02:07:07,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:07:07,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 225 [2024-11-24 02:07:07,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:07:07,829 INFO L225 Difference]: With dead ends: 4508 [2024-11-24 02:07:07,829 INFO L226 Difference]: Without dead ends: 2845 [2024-11-24 02:07:07,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-24 02:07:07,831 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 106 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:07:07,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 715 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:07:07,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2845 states. [2024-11-24 02:07:07,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2845 to 2383. [2024-11-24 02:07:07,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2383 states, 2141 states have (on average 1.2101821578701542) internal successors, (2591), 2161 states have internal predecessors, (2591), 185 states have call successors, (185), 56 states have call predecessors, (185), 56 states have return successors, (185), 165 states have call predecessors, (185), 185 states have call successors, (185) [2024-11-24 02:07:07,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2383 states and 2961 transitions. [2024-11-24 02:07:07,987 INFO L78 Accepts]: Start accepts. Automaton has 2383 states and 2961 transitions. Word has length 225 [2024-11-24 02:07:07,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:07:07,988 INFO L471 AbstractCegarLoop]: Abstraction has 2383 states and 2961 transitions. [2024-11-24 02:07:07,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:07:07,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 2961 transitions. [2024-11-24 02:07:07,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-24 02:07:07,991 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:07:07,992 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:07:08,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-24 02:07:08,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-24 02:07:08,192 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:07:08,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:07:08,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1150468162, now seen corresponding path program 1 times [2024-11-24 02:07:08,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:07:08,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772543585] [2024-11-24 02:07:08,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:07:08,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:07:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:10,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 147 proven. 32 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-11-24 02:07:10,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:07:10,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772543585] [2024-11-24 02:07:10,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772543585] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:07:10,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942048572] [2024-11-24 02:07:10,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:07:10,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:07:10,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:07:10,863 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:07:10,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-24 02:07:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:11,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-24 02:07:11,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:07:11,933 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 [2024-11-24 02:07:11,975 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 [2024-11-24 02:07:12,200 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 57 treesize of output 45 [2024-11-24 02:07:12,260 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 49 treesize of output 29 [2024-11-24 02:07:12,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 9 proven. 214 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2024-11-24 02:07:12,309 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:07:12,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2024-11-24 02:07:12,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942048572] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 02:07:12,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-24 02:07:12,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [20, 10] total 26 [2024-11-24 02:07:12,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951507775] [2024-11-24 02:07:12,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:07:12,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 02:07:12,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:07:12,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 02:07:12,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2024-11-24 02:07:12,642 INFO L87 Difference]: Start difference. First operand 2383 states and 2961 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:07:13,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:07:13,321 INFO L93 Difference]: Finished difference Result 4500 states and 5647 transitions. [2024-11-24 02:07:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 02:07:13,322 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 225 [2024-11-24 02:07:13,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:07:13,331 INFO L225 Difference]: With dead ends: 4500 [2024-11-24 02:07:13,332 INFO L226 Difference]: Without dead ends: 2837 [2024-11-24 02:07:13,335 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2024-11-24 02:07:13,335 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 110 mSDsluCounter, 1463 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 1705 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:07:13,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 1705 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 02:07:13,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2837 states. [2024-11-24 02:07:13,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2837 to 2833. [2024-11-24 02:07:13,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2833 states, 2517 states have (on average 1.211362733412793) internal successors, (3049), 2545 states have internal predecessors, (3049), 241 states have call successors, (241), 74 states have call predecessors, (241), 74 states have return successors, (241), 213 states have call predecessors, (241), 241 states have call successors, (241) [2024-11-24 02:07:13,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2833 states and 3531 transitions. [2024-11-24 02:07:13,551 INFO L78 Accepts]: Start accepts. Automaton has 2833 states and 3531 transitions. Word has length 225 [2024-11-24 02:07:13,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:07:13,551 INFO L471 AbstractCegarLoop]: Abstraction has 2833 states and 3531 transitions. [2024-11-24 02:07:13,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:07:13,551 INFO L276 IsEmpty]: Start isEmpty. Operand 2833 states and 3531 transitions. [2024-11-24 02:07:13,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-24 02:07:13,554 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:07:13,555 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 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, 1] [2024-11-24 02:07:13,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-24 02:07:13,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-24 02:07:13,755 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:07:13,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:07:13,756 INFO L85 PathProgramCache]: Analyzing trace with hash -291008960, now seen corresponding path program 1 times [2024-11-24 02:07:13,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:07:13,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376067076] [2024-11-24 02:07:13,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:07:13,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:07:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:14,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2024-11-24 02:07:14,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:07:14,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376067076] [2024-11-24 02:07:14,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376067076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:07:14,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:07:14,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:07:14,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133511582] [2024-11-24 02:07:14,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:07:14,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:07:14,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:07:14,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:07:14,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:07:14,794 INFO L87 Difference]: Start difference. First operand 2833 states and 3531 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:07:15,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:07:15,184 INFO L93 Difference]: Finished difference Result 4929 states and 6181 transitions. [2024-11-24 02:07:15,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:07:15,185 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 227 [2024-11-24 02:07:15,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:07:15,195 INFO L225 Difference]: With dead ends: 4929 [2024-11-24 02:07:15,196 INFO L226 Difference]: Without dead ends: 2816 [2024-11-24 02:07:15,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:07:15,200 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 228 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:07:15,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 533 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:07:15,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2816 states. [2024-11-24 02:07:15,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2816 to 2815. [2024-11-24 02:07:15,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2815 states, 2499 states have (on average 1.2008803521408564) internal successors, (3001), 2527 states have internal predecessors, (3001), 241 states have call successors, (241), 74 states have call predecessors, (241), 74 states have return successors, (241), 213 states have call predecessors, (241), 241 states have call successors, (241) [2024-11-24 02:07:15,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 3483 transitions. [2024-11-24 02:07:15,447 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 3483 transitions. Word has length 227 [2024-11-24 02:07:15,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:07:15,447 INFO L471 AbstractCegarLoop]: Abstraction has 2815 states and 3483 transitions. [2024-11-24 02:07:15,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 02:07:15,448 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3483 transitions. [2024-11-24 02:07:15,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-24 02:07:15,451 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:07:15,451 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:07:15,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-24 02:07:15,451 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:07:15,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:07:15,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1179856269, now seen corresponding path program 1 times [2024-11-24 02:07:15,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:07:15,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487252137] [2024-11-24 02:07:15,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:07:15,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:07:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:16,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 73 proven. 43 refuted. 0 times theorem prover too weak. 1241 trivial. 0 not checked. [2024-11-24 02:07:16,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:07:16,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487252137] [2024-11-24 02:07:16,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487252137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:07:16,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565803776] [2024-11-24 02:07:16,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:07:16,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:07:16,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:07:16,414 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:07:16,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-24 02:07:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:16,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 02:07:16,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:07:17,360 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 [2024-11-24 02:07:17,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 14 proven. 461 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-24 02:07:17,554 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:07:17,816 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 27 treesize of output 23 [2024-11-24 02:07:18,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 73 proven. 43 refuted. 0 times theorem prover too weak. 1241 trivial. 0 not checked. [2024-11-24 02:07:18,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565803776] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:07:18,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:07:18,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 17 [2024-11-24 02:07:18,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378872738] [2024-11-24 02:07:18,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:07:18,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-24 02:07:18,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:07:18,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-24 02:07:18,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-24 02:07:18,124 INFO L87 Difference]: Start difference. First operand 2815 states and 3483 transitions. Second operand has 17 states, 14 states have (on average 13.571428571428571) internal successors, (190), 17 states have internal predecessors, (190), 9 states have call successors, (56), 3 states have call predecessors, (56), 5 states have return successors, (56), 6 states have call predecessors, (56), 9 states have call successors, (56) [2024-11-24 02:07:18,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:07:18,694 INFO L93 Difference]: Finished difference Result 5121 states and 6269 transitions. [2024-11-24 02:07:18,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 02:07:18,695 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 13.571428571428571) internal successors, (190), 17 states have internal predecessors, (190), 9 states have call successors, (56), 3 states have call predecessors, (56), 5 states have return successors, (56), 6 states have call predecessors, (56), 9 states have call successors, (56) Word has length 232 [2024-11-24 02:07:18,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:07:18,698 INFO L225 Difference]: With dead ends: 5121 [2024-11-24 02:07:18,698 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 02:07:18,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 457 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2024-11-24 02:07:18,705 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 190 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:07:18,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 566 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 02:07:18,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 02:07:18,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 02:07:18,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:07:18,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 02:07:18,707 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 232 [2024-11-24 02:07:18,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:07:18,708 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 02:07:18,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 13.571428571428571) internal successors, (190), 17 states have internal predecessors, (190), 9 states have call successors, (56), 3 states have call predecessors, (56), 5 states have return successors, (56), 6 states have call predecessors, (56), 9 states have call successors, (56) [2024-11-24 02:07:18,708 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 02:07:18,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 02:07:18,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 02:07:18,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-24 02:07:18,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-24 02:07:18,922 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:07:18,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 02:07:42,722 WARN L286 SmtUtils]: Spent 12.90s on a formula simplification. DAG size of input: 935 DAG size of output: 92 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 02:07:55,631 WARN L286 SmtUtils]: Spent 11.55s on a formula simplification. DAG size of input: 921 DAG size of output: 96 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 02:08:04,145 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 02:08:04,164 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base [2024-11-24 02:08:04,165 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base [2024-11-24 02:08:04,166 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-24 02:08:04,166 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-24 02:08:04,166 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,167 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,170 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,170 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,170 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-11-24 02:08:04,170 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-11-24 02:08:04,171 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,171 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,171 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,171 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,171 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,171 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,171 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,171 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,172 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,172 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,172 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-11-24 02:08:04,172 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-11-24 02:08:04,172 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,172 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-11-24 02:08:04,172 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-11-24 02:08:04,172 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,173 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-11-24 02:08:04,173 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-11-24 02:08:04,174 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,174 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#10 [2024-11-24 02:08:04,174 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#10,GLOBAL] [2024-11-24 02:08:04,174 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#10,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,174 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#8 [2024-11-24 02:08:04,174 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] [2024-11-24 02:08:04,174 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,174 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-11-24 02:08:04,174 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-11-24 02:08:04,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-11-24 02:08:04,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-11-24 02:08:04,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_6_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-11-24 02:08:04,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-11-24 02:08:04,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-11-24 02:08:04,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-11-24 02:08:04,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-11-24 02:08:04,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-11-24 02:08:04,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#12 [2024-11-24 02:08:04,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] [2024-11-24 02:08:04,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~var_1_15_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset [2024-11-24 02:08:04,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset [2024-11-24 02:08:04,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base [2024-11-24 02:08:04,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base [2024-11-24 02:08:04,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-11-24 02:08:04,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-11-24 02:08:04,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-11-24 02:08:04,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-11-24 02:08:04,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-11-24 02:08:04,179 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-11-24 02:08:04,179 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,179 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-11-24 02:08:04,179 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-11-24 02:08:04,179 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,179 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-11-24 02:08:04,179 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-11-24 02:08:04,179 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,179 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-24 02:08:04,180 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-24 02:08:04,181 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,181 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#10 [2024-11-24 02:08:04,181 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#10,GLOBAL] [2024-11-24 02:08:04,181 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#10,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,181 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#8 [2024-11-24 02:08:04,181 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] [2024-11-24 02:08:04,181 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,181 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-11-24 02:08:04,181 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-11-24 02:08:04,182 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,182 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-11-24 02:08:04,182 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-11-24 02:08:04,182 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,182 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#12 [2024-11-24 02:08:04,182 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] [2024-11-24 02:08:04,182 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~var_1_15_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,182 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset [2024-11-24 02:08:04,183 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset [2024-11-24 02:08:04,183 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,183 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,183 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,183 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,183 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,183 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,185 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-11-24 02:08:04,185 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-11-24 02:08:04,186 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,186 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-11-24 02:08:04,186 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-11-24 02:08:04,186 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,186 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,186 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,186 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,187 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base [2024-11-24 02:08:04,187 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base [2024-11-24 02:08:04,187 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-11-24 02:08:04,187 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-11-24 02:08:04,187 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,187 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#12 [2024-11-24 02:08:04,187 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] [2024-11-24 02:08:04,188 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~#var_1_15~0!base,GLOBAL]]] [2024-11-24 02:08:04,188 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-11-24 02:08:04,188 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-11-24 02:08:04,188 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,188 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-11-24 02:08:04,188 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-11-24 02:08:04,188 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~var_1_5_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,188 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_3_Pointer~0!offset [2024-11-24 02:08:04,188 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_3~0!offset [2024-11-24 02:08:04,189 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_3_Pointer~0!base [2024-11-24 02:08:04,189 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_3~0!base [2024-11-24 02:08:04,189 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-24 02:08:04,189 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-24 02:08:04,189 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,189 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_3_Pointer~0!offset [2024-11-24 02:08:04,189 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_3~0!offset [2024-11-24 02:08:04,189 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-11-24 02:08:04,189 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-11-24 02:08:04,189 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,189 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-24 02:08:04,189 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-24 02:08:04,189 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,189 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_3_Pointer~0!base [2024-11-24 02:08:04,190 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_3~0!base [2024-11-24 02:08:04,190 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,190 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,190 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,190 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#9 [2024-11-24 02:08:04,190 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] [2024-11-24 02:08:04,190 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IntegerLiteral[12]]] [2024-11-24 02:08:04,190 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,190 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,190 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~#var_1_14~0!base,GLOBAL]]] [2024-11-24 02:08:04,190 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset [2024-11-24 02:08:04,195 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset [2024-11-24 02:08:04,195 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base [2024-11-24 02:08:04,195 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#8 [2024-11-24 02:08:04,195 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] [2024-11-24 02:08:04,195 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,195 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#7 [2024-11-24 02:08:04,195 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] [2024-11-24 02:08:04,195 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~var_1_9_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,195 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base [2024-11-24 02:08:04,196 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base [2024-11-24 02:08:04,196 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-11-24 02:08:04,196 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-11-24 02:08:04,196 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~var_1_5_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,196 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,196 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,196 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,196 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-11-24 02:08:04,196 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-11-24 02:08:04,197 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,197 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,197 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,197 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,197 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,197 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,197 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,197 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-11-24 02:08:04,197 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-11-24 02:08:04,197 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,197 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-11-24 02:08:04,197 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-11-24 02:08:04,197 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,197 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-11-24 02:08:04,197 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-11-24 02:08:04,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-11-24 02:08:04,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-11-24 02:08:04,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#10 [2024-11-24 02:08:04,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#10,GLOBAL] [2024-11-24 02:08:04,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#10,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#8 [2024-11-24 02:08:04,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] [2024-11-24 02:08:04,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-11-24 02:08:04,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-11-24 02:08:04,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-11-24 02:08:04,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-11-24 02:08:04,199 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,199 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#12 [2024-11-24 02:08:04,199 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] [2024-11-24 02:08:04,199 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~var_1_15_Pointer~0!base,GLOBAL]]] [2024-11-24 02:08:04,199 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset [2024-11-24 02:08:04,199 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset [2024-11-24 02:08:04,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 02:08:04 BoogieIcfgContainer [2024-11-24 02:08:04,199 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 02:08:04,200 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 02:08:04,200 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 02:08:04,200 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 02:08:04,201 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:02:39" (3/4) ... [2024-11-24 02:08:04,204 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 02:08:04,210 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-24 02:08:04,223 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-24 02:08:04,224 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-24 02:08:04,224 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 02:08:04,226 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 02:08:04,344 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 02:08:04,345 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 02:08:04,345 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 02:08:04,346 INFO L158 Benchmark]: Toolchain (without parser) took 326653.01ms. Allocated memory was 117.4MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 90.9MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 608.8MB. Max. memory is 16.1GB. [2024-11-24 02:08:04,346 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:08:04,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.50ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 75.9MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 02:08:04,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.41ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 72.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:08:04,346 INFO L158 Benchmark]: Boogie Preprocessor took 121.98ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 68.5MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 02:08:04,347 INFO L158 Benchmark]: RCFGBuilder took 1320.83ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 85.8MB in the end (delta: -17.3MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-11-24 02:08:04,347 INFO L158 Benchmark]: TraceAbstraction took 324486.35ms. Allocated memory was 117.4MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 85.2MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-24 02:08:04,347 INFO L158 Benchmark]: Witness Printer took 144.95ms. Allocated memory is still 1.9GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:08:04,348 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.50ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 75.9MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.41ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 72.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 121.98ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 68.5MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1320.83ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 85.8MB in the end (delta: -17.3MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * TraceAbstraction took 324486.35ms. Allocated memory was 117.4MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 85.2MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 144.95ms. Allocated memory is still 1.9GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#10 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#10,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#10,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_6_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#12 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~var_1_15_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#10 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#10,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#10,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#12 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~var_1_15_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#12 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~#var_1_15~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~var_1_5_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_3_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_3~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_3_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_3~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_3_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_3~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_3_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_3~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#9 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IntegerLiteral[12]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~#var_1_14~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~var_1_9_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~var_1_5_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#10 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#10,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#10,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#12 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~var_1_15_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 279.1s, OverallIterations: 42, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 13.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5066 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5066 mSDsluCounter, 30215 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23436 mSDsCounter, 212 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4040 IncrementalHoareTripleChecker+Invalid, 4252 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 212 mSolverCounterUnsat, 6779 mSDtfsCounter, 4040 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3323 GetRequests, 2965 SyntacticMatches, 6 SemanticMatches, 352 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2833occurred in iteration=40, InterpolantAutomatonStates: 285, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 42 MinimizatonAttempts, 4138 StatesRemovedByMinimization, 36 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 4.7s SatisfiabilityAnalysisTime, 250.4s InterpolantComputationTime, 7776 NumberOfCodeBlocks, 7776 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 8843 ConstructedInterpolants, 0 QuantifiedInterpolants, 37163 SizeOfPredicates, 55 NumberOfNonLiveVariables, 6492 ConjunctsInSsa, 151 ConjunctsInUnsatCore, 57 InterpolantComputations, 41 PerfectInterpolantSequences, 36823/39673 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 02:08:04,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d265d991-ee0f-4017-a348-5931f1fd5b0e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE