./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1025652295f7577d6e0be1e025f6e833268b797b1bf474da60e2801dd32b08c6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:36:16,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:36:16,750 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-27 23:36:16,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:36:16,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:36:16,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:36:16,809 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:36:16,809 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:36:16,809 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:36:16,809 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:36:16,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:36:16,810 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:36:16,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:36:16,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:36:16,810 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:36:16,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:36:16,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:36:16,811 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:36:16,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:36:16,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:36:16,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:36:16,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:36:16,811 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 23:36:16,811 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:36:16,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:36:16,812 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:36:16,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:36:16,812 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:36:16,812 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:36:16,812 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:36:16,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:36:16,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:36:16,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:36:16,812 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:36:16,812 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:36:16,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:36:16,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:36:16,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:36:16,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:36:16,813 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:36:16,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:36:16,813 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:36:16,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:36:16,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:36:16,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:36:16,813 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:36:16,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:36:16,813 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_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1025652295f7577d6e0be1e025f6e833268b797b1bf474da60e2801dd32b08c6 [2024-11-27 23:36:17,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:36:17,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:36:17,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:36:17,201 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:36:17,202 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:36:17,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2024-11-27 23:36:20,190 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/data/688ffd5d6/16d75ff936b94bcb8370026dd267fc2b/FLAG01bb5fe54 [2024-11-27 23:36:20,776 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:36:20,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2024-11-27 23:36:20,823 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/data/688ffd5d6/16d75ff936b94bcb8370026dd267fc2b/FLAG01bb5fe54 [2024-11-27 23:36:20,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/data/688ffd5d6/16d75ff936b94bcb8370026dd267fc2b [2024-11-27 23:36:20,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:36:20,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:36:20,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:36:20,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:36:20,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:36:20,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:36:20" (1/1) ... [2024-11-27 23:36:20,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@104522af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:20, skipping insertion in model container [2024-11-27 23:36:20,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:36:20" (1/1) ... [2024-11-27 23:36:20,971 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:36:22,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:36:22,699 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:36:22,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:36:23,228 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2024-11-27 23:36:23,239 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:36:23,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:23 WrapperNode [2024-11-27 23:36:23,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:36:23,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:36:23,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:36:23,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:36:23,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:23" (1/1) ... [2024-11-27 23:36:23,334 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:23" (1/1) ... [2024-11-27 23:36:23,459 INFO L138 Inliner]: procedures = 575, calls = 732, calls flagged for inlining = 29, calls inlined = 27, statements flattened = 1947 [2024-11-27 23:36:23,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:36:23,460 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:36:23,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:36:23,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:36:23,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:23" (1/1) ... [2024-11-27 23:36:23,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:23" (1/1) ... [2024-11-27 23:36:23,491 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:23" (1/1) ... [2024-11-27 23:36:23,612 INFO L175 MemorySlicer]: Split 616 memory accesses to 22 slices as follows [15, 2, 3, 3, 3, 38, 3, 4, 9, 3, 3, 17, 17, 17, 355, 7, 23, 4, 15, 44, 29, 2]. 58 percent of accesses are in the largest equivalence class. The 384 initializations are split as follows [0, 2, 0, 0, 3, 9, 3, 4, 1, 0, 0, 0, 1, 4, 355, 0, 0, 0, 0, 0, 2, 0]. The 98 writes are split as follows [3, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 17, 15, 4, 0, 7, 11, 4, 1, 12, 19, 1]. [2024-11-27 23:36:23,612 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:23" (1/1) ... [2024-11-27 23:36:23,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:23" (1/1) ... [2024-11-27 23:36:23,685 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:23" (1/1) ... [2024-11-27 23:36:23,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:23" (1/1) ... [2024-11-27 23:36:23,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:23" (1/1) ... [2024-11-27 23:36:23,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:23" (1/1) ... [2024-11-27 23:36:23,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:23" (1/1) ... [2024-11-27 23:36:23,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:36:23,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:36:23,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:36:23,850 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:36:23,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:23" (1/1) ... [2024-11-27 23:36:23,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:36:23,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:23,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:23,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:36:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2024-11-27 23:36:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2024-11-27 23:36:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2024-11-27 23:36:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2024-11-27 23:36:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2024-11-27 23:36:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2024-11-27 23:36:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2024-11-27 23:36:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2024-11-27 23:36:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2024-11-27 23:36:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2024-11-27 23:36:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2024-11-27 23:36:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2024-11-27 23:36:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2024-11-27 23:36:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2024-11-27 23:36:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2024-11-27 23:36:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2024-11-27 23:36:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2024-11-27 23:36:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2024-11-27 23:36:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#18 [2024-11-27 23:36:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#19 [2024-11-27 23:36:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#20 [2024-11-27 23:36:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#21 [2024-11-27 23:36:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2024-11-27 23:36:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2024-11-27 23:36:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2024-11-27 23:36:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2024-11-27 23:36:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2024-11-27 23:36:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2024-11-27 23:36:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2024-11-27 23:36:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2024-11-27 23:36:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2024-11-27 23:36:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2024-11-27 23:36:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2024-11-27 23:36:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2024-11-27 23:36:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2024-11-27 23:36:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2024-11-27 23:36:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2024-11-27 23:36:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2024-11-27 23:36:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2024-11-27 23:36:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2024-11-27 23:36:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#18 [2024-11-27 23:36:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#19 [2024-11-27 23:36:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#20 [2024-11-27 23:36:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#21 [2024-11-27 23:36:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 23:36:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-27 23:36:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-27 23:36:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-27 23:36:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-27 23:36:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-27 23:36:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-27 23:36:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-27 23:36:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-27 23:36:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-27 23:36:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-27 23:36:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-27 23:36:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-27 23:36:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-27 23:36:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-27 23:36:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-27 23:36:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-27 23:36:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-27 23:36:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-27 23:36:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-27 23:36:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-27 23:36:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-27 23:36:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-27 23:36:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2024-11-27 23:36:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2024-11-27 23:36:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 23:36:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 23:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 23:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 23:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 23:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 23:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 23:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 23:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 23:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 23:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 23:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 23:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-27 23:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-27 23:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-27 23:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-27 23:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-27 23:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-27 23:36:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-27 23:36:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-27 23:36:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-27 23:36:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-27 23:36:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:36:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 23:36:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 23:36:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 23:36:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 23:36:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 23:36:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 23:36:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 23:36:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 23:36:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 23:36:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 23:36:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 23:36:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 23:36:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 23:36:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-27 23:36:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-27 23:36:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-27 23:36:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-27 23:36:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-27 23:36:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-27 23:36:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-27 23:36:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-27 23:36:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 23:36:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:36:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 23:36:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 23:36:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 23:36:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 23:36:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 23:36:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 23:36:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 23:36:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 23:36:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 23:36:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 23:36:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 23:36:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 23:36:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-27 23:36:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-27 23:36:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-27 23:36:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-27 23:36:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-27 23:36:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-27 23:36:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-27 23:36:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-27 23:36:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-27 23:36:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-27 23:36:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:36:23,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:36:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-11-27 23:36:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-11-27 23:36:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-11-27 23:36:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-11-27 23:36:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-11-27 23:36:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-11-27 23:36:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-11-27 23:36:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-11-27 23:36:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-11-27 23:36:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-11-27 23:36:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-11-27 23:36:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-11-27 23:36:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-11-27 23:36:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-11-27 23:36:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-11-27 23:36:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-11-27 23:36:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-11-27 23:36:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-11-27 23:36:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-11-27 23:36:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-11-27 23:36:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2024-11-27 23:36:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2024-11-27 23:36:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-11-27 23:36:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-11-27 23:36:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-11-27 23:36:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-11-27 23:36:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-11-27 23:36:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-11-27 23:36:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-11-27 23:36:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-11-27 23:36:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-11-27 23:36:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-11-27 23:36:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-11-27 23:36:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-11-27 23:36:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-11-27 23:36:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-11-27 23:36:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-11-27 23:36:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-11-27 23:36:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-11-27 23:36:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-11-27 23:36:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-11-27 23:36:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-11-27 23:36:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2024-11-27 23:36:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2024-11-27 23:36:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2024-11-27 23:36:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2024-11-27 23:36:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-27 23:36:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-27 23:36:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-27 23:36:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-27 23:36:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-27 23:36:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-27 23:36:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-27 23:36:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-27 23:36:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-27 23:36:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-27 23:36:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-27 23:36:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-27 23:36:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-27 23:36:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-27 23:36:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-27 23:36:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-27 23:36:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-27 23:36:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-27 23:36:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-27 23:36:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-27 23:36:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-27 23:36:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-27 23:36:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 23:36:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 23:36:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 23:36:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 23:36:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 23:36:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 23:36:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 23:36:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 23:36:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 23:36:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 23:36:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 23:36:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 23:36:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-27 23:36:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-27 23:36:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-27 23:36:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-27 23:36:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-27 23:36:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-27 23:36:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-27 23:36:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-27 23:36:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-27 23:36:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-27 23:36:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-27 23:36:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-27 23:36:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-27 23:36:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-27 23:36:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-27 23:36:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-27 23:36:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-27 23:36:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-27 23:36:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-27 23:36:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-27 23:36:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-27 23:36:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-27 23:36:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-27 23:36:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-27 23:36:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-27 23:36:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-27 23:36:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-27 23:36:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-27 23:36:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-27 23:36:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-27 23:36:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-27 23:36:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-27 23:36:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-27 23:36:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-27 23:36:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-27 23:36:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-27 23:36:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-27 23:36:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-27 23:36:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-27 23:36:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-27 23:36:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-27 23:36:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-27 23:36:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-27 23:36:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-27 23:36:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-27 23:36:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-27 23:36:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-27 23:36:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-27 23:36:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-27 23:36:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-27 23:36:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-27 23:36:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-27 23:36:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-27 23:36:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-27 23:36:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:36:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:36:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 23:36:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 23:36:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 23:36:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 23:36:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 23:36:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 23:36:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 23:36:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 23:36:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 23:36:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 23:36:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 23:36:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 23:36:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 23:36:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-27 23:36:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-27 23:36:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-27 23:36:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-27 23:36:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-27 23:36:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-27 23:36:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-27 23:36:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-27 23:36:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-27 23:36:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-27 23:36:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 23:36:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 23:36:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 23:36:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 23:36:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 23:36:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 23:36:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-27 23:36:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-27 23:36:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-27 23:36:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-27 23:36:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-27 23:36:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-27 23:36:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-27 23:36:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-27 23:36:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-27 23:36:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-27 23:36:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-27 23:36:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-27 23:36:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-27 23:36:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-27 23:36:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-27 23:36:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-27 23:36:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 23:36:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 23:36:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 23:36:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 23:36:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 23:36:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 23:36:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 23:36:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 23:36:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 23:36:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 23:36:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 23:36:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 23:36:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 23:36:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 23:36:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-27 23:36:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-27 23:36:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-27 23:36:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-27 23:36:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2024-11-27 23:36:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-27 23:36:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-27 23:36:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-27 23:36:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-27 23:36:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-27 23:36:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-27 23:36:24,838 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:36:24,842 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:36:31,775 INFO L? ?]: Removed 831 outVars from TransFormulas that were not future-live. [2024-11-27 23:36:31,776 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:36:31,799 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:36:31,799 INFO L312 CfgBuilder]: Removed 55 assume(true) statements. [2024-11-27 23:36:31,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:36:31 BoogieIcfgContainer [2024-11-27 23:36:31,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:36:31,802 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:36:31,802 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:36:31,807 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:36:31,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:36:20" (1/3) ... [2024-11-27 23:36:31,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ccd2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:36:31, skipping insertion in model container [2024-11-27 23:36:31,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:23" (2/3) ... [2024-11-27 23:36:31,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ccd2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:36:31, skipping insertion in model container [2024-11-27 23:36:31,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:36:31" (3/3) ... [2024-11-27 23:36:31,809 INFO L128 eAbstractionObserver]: Analyzing ICFG readlink-2.i [2024-11-27 23:36:31,825 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:36:31,828 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG readlink-2.i that has 71 procedures, 778 locations, 1 initial locations, 74 loop locations, and 65 error locations. [2024-11-27 23:36:31,893 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:36:31,905 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;@66e84827, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:36:31,905 INFO L334 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2024-11-27 23:36:31,910 INFO L276 IsEmpty]: Start isEmpty. Operand has 542 states, 442 states have (on average 1.6470588235294117) internal successors, (728), 509 states have internal predecessors, (728), 23 states have call successors, (23), 11 states have call predecessors, (23), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:36:31,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-27 23:36:31,916 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:31,916 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-27 23:36:31,917 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:36:31,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:31,923 INFO L85 PathProgramCache]: Analyzing trace with hash 812181211, now seen corresponding path program 1 times [2024-11-27 23:36:31,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:31,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589331181] [2024-11-27 23:36:31,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:31,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:33,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:36:33,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:33,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589331181] [2024-11-27 23:36:33,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589331181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:36:33,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:36:33,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:36:33,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904016845] [2024-11-27 23:36:33,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:33,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:36:33,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:33,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:36:33,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:36:33,253 INFO L87 Difference]: Start difference. First operand has 542 states, 442 states have (on average 1.6470588235294117) internal successors, (728), 509 states have internal predecessors, (728), 23 states have call successors, (23), 11 states have call predecessors, (23), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-27 23:36:33,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:33,423 INFO L93 Difference]: Finished difference Result 989 states and 1438 transitions. [2024-11-27 23:36:33,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:36:33,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5 [2024-11-27 23:36:33,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:33,442 INFO L225 Difference]: With dead ends: 989 [2024-11-27 23:36:33,443 INFO L226 Difference]: Without dead ends: 448 [2024-11-27 23:36:33,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:36:33,455 INFO L435 NwaCegarLoop]: 611 mSDtfsCounter, 1 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:33,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1216 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:36:33,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-27 23:36:33,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2024-11-27 23:36:33,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 376 states have (on average 1.553191489361702) internal successors, (584), 426 states have internal predecessors, (584), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:36:33,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 614 transitions. [2024-11-27 23:36:33,545 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 614 transitions. Word has length 5 [2024-11-27 23:36:33,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:33,547 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 614 transitions. [2024-11-27 23:36:33,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-27 23:36:33,547 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 614 transitions. [2024-11-27 23:36:33,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-27 23:36:33,548 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:33,548 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-27 23:36:33,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:36:33,548 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:36:33,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:33,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1932206997, now seen corresponding path program 1 times [2024-11-27 23:36:33,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:33,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117194909] [2024-11-27 23:36:33,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:33,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:34,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:36:34,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:34,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117194909] [2024-11-27 23:36:34,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117194909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:36:34,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008182718] [2024-11-27 23:36:34,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:34,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:34,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:34,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:36:34,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:36:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:35,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 1321 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:36:35,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:35,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:36:35,455 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:36:35,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008182718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:36:35,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:36:35,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-27 23:36:35,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421871079] [2024-11-27 23:36:35,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:35,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:36:35,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:35,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:36:35,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:36:35,457 INFO L87 Difference]: Start difference. First operand 448 states and 614 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-27 23:36:35,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:35,553 INFO L93 Difference]: Finished difference Result 448 states and 614 transitions. [2024-11-27 23:36:35,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:36:35,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) Word has length 9 [2024-11-27 23:36:35,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:35,557 INFO L225 Difference]: With dead ends: 448 [2024-11-27 23:36:35,559 INFO L226 Difference]: Without dead ends: 447 [2024-11-27 23:36:35,560 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:36:35,561 INFO L435 NwaCegarLoop]: 603 mSDtfsCounter, 1 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1805 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:35,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1805 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:36:35,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-11-27 23:36:35,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 447. [2024-11-27 23:36:35,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 376 states have (on average 1.550531914893617) internal successors, (583), 425 states have internal predecessors, (583), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:36:35,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 613 transitions. [2024-11-27 23:36:35,604 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 613 transitions. Word has length 9 [2024-11-27 23:36:35,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:35,604 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 613 transitions. [2024-11-27 23:36:35,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-27 23:36:35,604 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 613 transitions. [2024-11-27 23:36:35,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-27 23:36:35,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:35,605 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-27 23:36:35,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 23:36:35,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:35,809 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:36:35,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:35,810 INFO L85 PathProgramCache]: Analyzing trace with hash -231124370, now seen corresponding path program 1 times [2024-11-27 23:36:35,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:35,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302803291] [2024-11-27 23:36:35,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:35,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:36,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 23:36:36,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:36,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302803291] [2024-11-27 23:36:36,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302803291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:36:36,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:36:36,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:36:36,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712037785] [2024-11-27 23:36:36,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:36,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:36:36,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:36,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:36:36,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:36:36,562 INFO L87 Difference]: Start difference. First operand 447 states and 613 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-27 23:36:36,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:36,611 INFO L93 Difference]: Finished difference Result 447 states and 613 transitions. [2024-11-27 23:36:36,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:36:36,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) Word has length 10 [2024-11-27 23:36:36,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:36,615 INFO L225 Difference]: With dead ends: 447 [2024-11-27 23:36:36,615 INFO L226 Difference]: Without dead ends: 446 [2024-11-27 23:36:36,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:36:36,617 INFO L435 NwaCegarLoop]: 604 mSDtfsCounter, 0 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:36,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1205 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:36:36,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-27 23:36:36,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 443. [2024-11-27 23:36:36,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 373 states have (on average 1.552278820375335) internal successors, (579), 421 states have internal predecessors, (579), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:36:36,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 609 transitions. [2024-11-27 23:36:36,643 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 609 transitions. Word has length 10 [2024-11-27 23:36:36,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:36,643 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 609 transitions. [2024-11-27 23:36:36,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-27 23:36:36,643 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 609 transitions. [2024-11-27 23:36:36,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-27 23:36:36,644 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:36,644 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:36,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:36:36,644 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:36:36,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:36,644 INFO L85 PathProgramCache]: Analyzing trace with hash -615646647, now seen corresponding path program 1 times [2024-11-27 23:36:36,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:36,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182562652] [2024-11-27 23:36:36,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:36,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:37,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:36:37,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:37,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182562652] [2024-11-27 23:36:37,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182562652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:36:37,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536858566] [2024-11-27 23:36:37,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:37,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:37,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:37,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:36:37,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:36:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:38,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 1338 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:36:38,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 23:36:38,686 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:36:38,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536858566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:36:38,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:36:38,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-27 23:36:38,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936888404] [2024-11-27 23:36:38,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:38,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:36:38,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:38,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:36:38,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:36:38,688 INFO L87 Difference]: Start difference. First operand 443 states and 609 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:36:38,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:38,757 INFO L93 Difference]: Finished difference Result 443 states and 609 transitions. [2024-11-27 23:36:38,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:36:38,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-27 23:36:38,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:38,761 INFO L225 Difference]: With dead ends: 443 [2024-11-27 23:36:38,761 INFO L226 Difference]: Without dead ends: 441 [2024-11-27 23:36:38,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:36:38,763 INFO L435 NwaCegarLoop]: 596 mSDtfsCounter, 527 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:38,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 659 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:36:38,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-27 23:36:38,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2024-11-27 23:36:38,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 373 states have (on average 1.5469168900804289) internal successors, (577), 419 states have internal predecessors, (577), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:36:38,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 607 transitions. [2024-11-27 23:36:38,788 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 607 transitions. Word has length 14 [2024-11-27 23:36:38,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:38,792 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 607 transitions. [2024-11-27 23:36:38,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:36:38,793 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 607 transitions. [2024-11-27 23:36:38,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-27 23:36:38,793 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:38,793 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:38,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 23:36:38,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:38,994 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:36:38,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:38,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1905175997, now seen corresponding path program 1 times [2024-11-27 23:36:38,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:38,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665133575] [2024-11-27 23:36:38,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:38,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:39,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:36:39,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:39,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665133575] [2024-11-27 23:36:39,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665133575] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:36:39,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634156702] [2024-11-27 23:36:39,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:39,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:39,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:39,732 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:36:39,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:36:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:40,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 1339 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:36:40,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:40,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:36:40,976 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:36:41,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:36:41,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634156702] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:36:41,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:36:41,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-27 23:36:41,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639791853] [2024-11-27 23:36:41,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:36:41,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:36:41,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:41,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:36:41,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:36:41,060 INFO L87 Difference]: Start difference. First operand 441 states and 607 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:36:41,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:41,180 INFO L93 Difference]: Finished difference Result 887 states and 1221 transitions. [2024-11-27 23:36:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:36:41,181 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-27 23:36:41,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:41,184 INFO L225 Difference]: With dead ends: 887 [2024-11-27 23:36:41,188 INFO L226 Difference]: Without dead ends: 453 [2024-11-27 23:36:41,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:36:41,191 INFO L435 NwaCegarLoop]: 602 mSDtfsCounter, 6 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:41,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1201 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:36:41,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-27 23:36:41,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2024-11-27 23:36:41,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 385 states have (on average 1.5298701298701298) internal successors, (589), 431 states have internal predecessors, (589), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:36:41,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 619 transitions. [2024-11-27 23:36:41,226 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 619 transitions. Word has length 15 [2024-11-27 23:36:41,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:41,227 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 619 transitions. [2024-11-27 23:36:41,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:36:41,228 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 619 transitions. [2024-11-27 23:36:41,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-27 23:36:41,229 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:41,229 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:41,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 23:36:41,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:41,430 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:36:41,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:41,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1085464591, now seen corresponding path program 2 times [2024-11-27 23:36:41,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:41,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269304922] [2024-11-27 23:36:41,430 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:36:41,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:41,844 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 23:36:41,844 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:36:42,323 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-27 23:36:42,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:42,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269304922] [2024-11-27 23:36:42,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269304922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:36:42,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:36:42,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:36:42,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333081201] [2024-11-27 23:36:42,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:42,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:36:42,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:42,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:36:42,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:36:42,327 INFO L87 Difference]: Start difference. First operand 453 states and 619 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:36:42,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:42,484 INFO L93 Difference]: Finished difference Result 453 states and 619 transitions. [2024-11-27 23:36:42,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:36:42,485 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-11-27 23:36:42,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:42,488 INFO L225 Difference]: With dead ends: 453 [2024-11-27 23:36:42,489 INFO L226 Difference]: Without dead ends: 451 [2024-11-27 23:36:42,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:36:42,491 INFO L435 NwaCegarLoop]: 591 mSDtfsCounter, 526 mSDsluCounter, 1233 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 1824 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:42,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 1824 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:36:42,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-27 23:36:42,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2024-11-27 23:36:42,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 385 states have (on average 1.5246753246753246) internal successors, (587), 429 states have internal predecessors, (587), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:36:42,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 617 transitions. [2024-11-27 23:36:42,533 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 617 transitions. Word has length 27 [2024-11-27 23:36:42,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:42,534 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 617 transitions. [2024-11-27 23:36:42,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:36:42,535 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 617 transitions. [2024-11-27 23:36:42,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-27 23:36:42,536 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:42,536 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:42,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:36:42,537 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:36:42,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:42,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1831639339, now seen corresponding path program 1 times [2024-11-27 23:36:42,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:42,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651512979] [2024-11-27 23:36:42,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:42,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:43,273 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-27 23:36:43,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:43,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651512979] [2024-11-27 23:36:43,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651512979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:36:43,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:36:43,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:36:43,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706616191] [2024-11-27 23:36:43,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:43,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:36:43,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:43,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:36:43,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:36:43,276 INFO L87 Difference]: Start difference. First operand 451 states and 617 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:36:43,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:43,355 INFO L93 Difference]: Finished difference Result 881 states and 1214 transitions. [2024-11-27 23:36:43,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:36:43,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-27 23:36:43,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:43,359 INFO L225 Difference]: With dead ends: 881 [2024-11-27 23:36:43,359 INFO L226 Difference]: Without dead ends: 455 [2024-11-27 23:36:43,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:36:43,364 INFO L435 NwaCegarLoop]: 600 mSDtfsCounter, 1 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:43,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1194 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:36:43,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-27 23:36:43,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2024-11-27 23:36:43,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 389 states have (on average 1.519280205655527) internal successors, (591), 433 states have internal predecessors, (591), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:36:43,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 621 transitions. [2024-11-27 23:36:43,402 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 621 transitions. Word has length 34 [2024-11-27 23:36:43,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:43,403 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 621 transitions. [2024-11-27 23:36:43,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:36:43,404 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 621 transitions. [2024-11-27 23:36:43,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-27 23:36:43,405 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:43,405 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:43,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:36:43,405 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:36:43,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:43,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1834284750, now seen corresponding path program 1 times [2024-11-27 23:36:43,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:43,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990359332] [2024-11-27 23:36:43,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:43,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:44,314 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-27 23:36:44,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:44,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990359332] [2024-11-27 23:36:44,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990359332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:36:44,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:36:44,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:36:44,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367457671] [2024-11-27 23:36:44,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:44,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:36:44,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:44,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:36:44,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:36:44,317 INFO L87 Difference]: Start difference. First operand 455 states and 621 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:36:44,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:44,433 INFO L93 Difference]: Finished difference Result 760 states and 1066 transitions. [2024-11-27 23:36:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:36:44,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-27 23:36:44,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:44,439 INFO L225 Difference]: With dead ends: 760 [2024-11-27 23:36:44,439 INFO L226 Difference]: Without dead ends: 758 [2024-11-27 23:36:44,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:36:44,440 INFO L435 NwaCegarLoop]: 596 mSDtfsCounter, 419 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 1184 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:44,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 1184 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:36:44,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2024-11-27 23:36:44,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 459. [2024-11-27 23:36:44,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 393 states have (on average 1.5165394402035624) internal successors, (596), 437 states have internal predecessors, (596), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:36:44,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 626 transitions. [2024-11-27 23:36:44,479 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 626 transitions. Word has length 34 [2024-11-27 23:36:44,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:44,479 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 626 transitions. [2024-11-27 23:36:44,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:36:44,480 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 626 transitions. [2024-11-27 23:36:44,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-27 23:36:44,480 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:44,480 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:44,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:36:44,484 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:36:44,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:44,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1732153125, now seen corresponding path program 1 times [2024-11-27 23:36:44,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:44,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750594601] [2024-11-27 23:36:44,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:44,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:45,232 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-27 23:36:45,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:45,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750594601] [2024-11-27 23:36:45,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750594601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:36:45,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331078004] [2024-11-27 23:36:45,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:45,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:45,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:45,239 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:36:45,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 23:36:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:46,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 1528 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:36:46,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:46,724 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 23:36:46,726 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:36:46,972 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 23:36:46,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331078004] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:36:46,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:36:46,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2024-11-27 23:36:46,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514248653] [2024-11-27 23:36:46,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:36:46,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:36:46,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:46,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:36:46,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:36:46,976 INFO L87 Difference]: Start difference. First operand 459 states and 626 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 23:36:47,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:47,290 INFO L93 Difference]: Finished difference Result 922 states and 1262 transitions. [2024-11-27 23:36:47,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:36:47,290 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2024-11-27 23:36:47,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:47,293 INFO L225 Difference]: With dead ends: 922 [2024-11-27 23:36:47,293 INFO L226 Difference]: Without dead ends: 482 [2024-11-27 23:36:47,294 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:36:47,295 INFO L435 NwaCegarLoop]: 593 mSDtfsCounter, 7 mSDsluCounter, 2950 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3543 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:47,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3543 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:36:47,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-27 23:36:47,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 482. [2024-11-27 23:36:47,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 417 states have (on average 1.484412470023981) internal successors, (619), 460 states have internal predecessors, (619), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:36:47,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 649 transitions. [2024-11-27 23:36:47,323 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 649 transitions. Word has length 38 [2024-11-27 23:36:47,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:47,323 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 649 transitions. [2024-11-27 23:36:47,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 23:36:47,323 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 649 transitions. [2024-11-27 23:36:47,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-27 23:36:47,330 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:47,330 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:47,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 23:36:47,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:47,535 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:36:47,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:47,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1529042485, now seen corresponding path program 1 times [2024-11-27 23:36:47,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:47,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675545271] [2024-11-27 23:36:47,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:47,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:48,184 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-27 23:36:48,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:48,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675545271] [2024-11-27 23:36:48,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675545271] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:36:48,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304074814] [2024-11-27 23:36:48,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:48,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:48,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:48,187 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:36:48,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 23:36:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:49,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 1625 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:36:49,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:49,448 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-27 23:36:49,450 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:36:49,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304074814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:36:49,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:36:49,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-27 23:36:49,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228375573] [2024-11-27 23:36:49,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:49,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:36:49,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:49,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:36:49,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:36:49,452 INFO L87 Difference]: Start difference. First operand 482 states and 649 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:36:49,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:49,520 INFO L93 Difference]: Finished difference Result 482 states and 649 transitions. [2024-11-27 23:36:49,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:36:49,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2024-11-27 23:36:49,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:49,525 INFO L225 Difference]: With dead ends: 482 [2024-11-27 23:36:49,525 INFO L226 Difference]: Without dead ends: 481 [2024-11-27 23:36:49,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:36:49,527 INFO L435 NwaCegarLoop]: 595 mSDtfsCounter, 2 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:49,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1181 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:36:49,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-11-27 23:36:49,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 481. [2024-11-27 23:36:49,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 417 states have (on average 1.4820143884892085) internal successors, (618), 459 states have internal predecessors, (618), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:36:49,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 648 transitions. [2024-11-27 23:36:49,557 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 648 transitions. Word has length 62 [2024-11-27 23:36:49,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:49,559 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 648 transitions. [2024-11-27 23:36:49,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:36:49,559 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 648 transitions. [2024-11-27 23:36:49,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-27 23:36:49,560 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:49,560 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:49,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 23:36:49,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 23:36:49,761 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:36:49,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:49,762 INFO L85 PathProgramCache]: Analyzing trace with hash 2022941709, now seen corresponding path program 1 times [2024-11-27 23:36:49,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:49,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265953598] [2024-11-27 23:36:49,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:49,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:50,362 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-27 23:36:50,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:50,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265953598] [2024-11-27 23:36:50,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265953598] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:36:50,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751701450] [2024-11-27 23:36:50,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:50,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:50,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:50,365 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:36:50,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 23:36:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:51,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 1640 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:36:51,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:51,755 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-27 23:36:51,755 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:36:51,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751701450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:36:51,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:36:51,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-27 23:36:51,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471628635] [2024-11-27 23:36:51,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:51,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:36:51,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:51,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:36:51,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:36:51,758 INFO L87 Difference]: Start difference. First operand 481 states and 648 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:36:51,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:51,916 INFO L93 Difference]: Finished difference Result 784 states and 1091 transitions. [2024-11-27 23:36:51,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:36:51,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2024-11-27 23:36:51,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:51,922 INFO L225 Difference]: With dead ends: 784 [2024-11-27 23:36:51,922 INFO L226 Difference]: Without dead ends: 783 [2024-11-27 23:36:51,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:36:51,923 INFO L435 NwaCegarLoop]: 1027 mSDtfsCounter, 837 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:51,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 1620 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:36:51,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2024-11-27 23:36:51,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 480. [2024-11-27 23:36:51,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 417 states have (on average 1.4796163069544364) internal successors, (617), 458 states have internal predecessors, (617), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:36:51,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 647 transitions. [2024-11-27 23:36:51,953 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 647 transitions. Word has length 62 [2024-11-27 23:36:51,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:51,954 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 647 transitions. [2024-11-27 23:36:51,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:36:51,954 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 647 transitions. [2024-11-27 23:36:51,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-27 23:36:51,955 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:51,955 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:51,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 23:36:52,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-27 23:36:52,156 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:36:52,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:52,156 INFO L85 PathProgramCache]: Analyzing trace with hash -155743393, now seen corresponding path program 1 times [2024-11-27 23:36:52,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:52,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295900529] [2024-11-27 23:36:52,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:52,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:52,727 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-27 23:36:52,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:52,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295900529] [2024-11-27 23:36:52,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295900529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:36:52,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:36:52,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:36:52,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818285087] [2024-11-27 23:36:52,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:52,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:36:52,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:52,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:36:52,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:36:52,729 INFO L87 Difference]: Start difference. First operand 480 states and 647 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:36:52,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:52,780 INFO L93 Difference]: Finished difference Result 480 states and 647 transitions. [2024-11-27 23:36:52,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:36:52,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2024-11-27 23:36:52,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:52,784 INFO L225 Difference]: With dead ends: 480 [2024-11-27 23:36:52,785 INFO L226 Difference]: Without dead ends: 479 [2024-11-27 23:36:52,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:36:52,786 INFO L435 NwaCegarLoop]: 596 mSDtfsCounter, 0 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:52,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1188 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:36:52,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2024-11-27 23:36:52,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 476. [2024-11-27 23:36:52,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 414 states have (on average 1.4806763285024154) internal successors, (613), 454 states have internal predecessors, (613), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:36:52,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 643 transitions. [2024-11-27 23:36:52,856 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 643 transitions. Word has length 63 [2024-11-27 23:36:52,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:52,856 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 643 transitions. [2024-11-27 23:36:52,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:36:52,857 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 643 transitions. [2024-11-27 23:36:52,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-27 23:36:52,859 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:52,859 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:52,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 23:36:52,859 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:36:52,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:52,862 INFO L85 PathProgramCache]: Analyzing trace with hash -155675867, now seen corresponding path program 1 times [2024-11-27 23:36:52,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:52,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473746247] [2024-11-27 23:36:52,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:52,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:53,510 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-27 23:36:53,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:53,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473746247] [2024-11-27 23:36:53,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473746247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:36:53,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987147782] [2024-11-27 23:36:53,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:53,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:53,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:53,515 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:36:53,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 23:36:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:54,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 1626 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:36:54,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:54,814 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-27 23:36:54,814 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:36:54,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987147782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:36:54,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:36:54,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-27 23:36:54,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895169942] [2024-11-27 23:36:54,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:54,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:36:54,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:54,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:36:54,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:36:54,816 INFO L87 Difference]: Start difference. First operand 476 states and 643 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:36:54,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:54,894 INFO L93 Difference]: Finished difference Result 487 states and 656 transitions. [2024-11-27 23:36:54,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:36:54,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2024-11-27 23:36:54,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:54,898 INFO L225 Difference]: With dead ends: 487 [2024-11-27 23:36:54,898 INFO L226 Difference]: Without dead ends: 486 [2024-11-27 23:36:54,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:36:54,899 INFO L435 NwaCegarLoop]: 594 mSDtfsCounter, 0 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1184 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:54,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1184 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:36:54,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-11-27 23:36:54,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2024-11-27 23:36:54,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 424 states have (on average 1.474056603773585) internal successors, (625), 464 states have internal predecessors, (625), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:36:54,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 655 transitions. [2024-11-27 23:36:54,954 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 655 transitions. Word has length 63 [2024-11-27 23:36:54,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:54,954 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 655 transitions. [2024-11-27 23:36:54,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:36:54,954 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 655 transitions. [2024-11-27 23:36:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-27 23:36:54,955 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:54,955 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:54,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 23:36:55,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-27 23:36:55,157 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:36:55,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:55,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1713315531, now seen corresponding path program 1 times [2024-11-27 23:36:55,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:55,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87673375] [2024-11-27 23:36:55,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:55,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:55,749 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-27 23:36:55,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:55,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87673375] [2024-11-27 23:36:55,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87673375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:36:55,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108130151] [2024-11-27 23:36:55,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:55,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:55,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:55,753 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:36:55,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 23:36:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:57,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 1641 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:36:57,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:57,054 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-27 23:36:57,054 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:36:57,120 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-27 23:36:57,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108130151] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:36:57,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:36:57,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-27 23:36:57,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393717305] [2024-11-27 23:36:57,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:36:57,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:36:57,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:57,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:36:57,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:36:57,123 INFO L87 Difference]: Start difference. First operand 486 states and 655 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:36:57,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:57,426 INFO L93 Difference]: Finished difference Result 1695 states and 2425 transitions. [2024-11-27 23:36:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:36:57,427 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2024-11-27 23:36:57,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:57,435 INFO L225 Difference]: With dead ends: 1695 [2024-11-27 23:36:57,435 INFO L226 Difference]: Without dead ends: 1694 [2024-11-27 23:36:57,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:36:57,437 INFO L435 NwaCegarLoop]: 592 mSDtfsCounter, 1777 mSDsluCounter, 3146 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1805 SdHoareTripleChecker+Valid, 3738 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:57,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1805 Valid, 3738 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:36:57,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2024-11-27 23:36:57,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 498. [2024-11-27 23:36:57,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 436 states have (on average 1.4678899082568808) internal successors, (640), 476 states have internal predecessors, (640), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:36:57,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 670 transitions. [2024-11-27 23:36:57,476 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 670 transitions. Word has length 63 [2024-11-27 23:36:57,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:57,477 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 670 transitions. [2024-11-27 23:36:57,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:36:57,477 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 670 transitions. [2024-11-27 23:36:57,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-27 23:36:57,478 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:57,478 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:57,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-27 23:36:57,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-27 23:36:57,678 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:36:57,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:57,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1362011541, now seen corresponding path program 1 times [2024-11-27 23:36:57,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:57,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603213931] [2024-11-27 23:36:57,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:57,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:58,098 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-27 23:36:58,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:58,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603213931] [2024-11-27 23:36:58,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603213931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:36:58,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:36:58,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:36:58,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452671447] [2024-11-27 23:36:58,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:58,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:36:58,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:58,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:36:58,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:36:58,099 INFO L87 Difference]: Start difference. First operand 498 states and 670 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:36:58,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:58,315 INFO L93 Difference]: Finished difference Result 990 states and 1365 transitions. [2024-11-27 23:36:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:36:58,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 72 [2024-11-27 23:36:58,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:58,319 INFO L225 Difference]: With dead ends: 990 [2024-11-27 23:36:58,319 INFO L226 Difference]: Without dead ends: 595 [2024-11-27 23:36:58,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:36:58,320 INFO L435 NwaCegarLoop]: 612 mSDtfsCounter, 121 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:58,321 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1140 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:36:58,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-11-27 23:36:58,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 541. [2024-11-27 23:36:58,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 478 states have (on average 1.4581589958158996) internal successors, (697), 518 states have internal predecessors, (697), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:36:58,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 729 transitions. [2024-11-27 23:36:58,349 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 729 transitions. Word has length 72 [2024-11-27 23:36:58,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:58,349 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 729 transitions. [2024-11-27 23:36:58,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:36:58,350 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 729 transitions. [2024-11-27 23:36:58,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-27 23:36:58,350 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:58,351 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:58,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 23:36:58,351 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:36:58,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:58,351 INFO L85 PathProgramCache]: Analyzing trace with hash 2023991291, now seen corresponding path program 1 times [2024-11-27 23:36:58,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:58,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65724749] [2024-11-27 23:36:58,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:58,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:58,902 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-27 23:36:58,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:58,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65724749] [2024-11-27 23:36:58,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65724749] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:36:58,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003790278] [2024-11-27 23:36:58,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:58,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:58,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:58,906 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:36:58,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 23:37:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:37:00,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 1704 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:37:00,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:37:00,096 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-27 23:37:00,096 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:37:00,152 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-27 23:37:00,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003790278] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:37:00,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:37:00,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-27 23:37:00,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094361545] [2024-11-27 23:37:00,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:37:00,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:37:00,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:37:00,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:37:00,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:37:00,154 INFO L87 Difference]: Start difference. First operand 541 states and 729 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:37:00,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:37:00,243 INFO L93 Difference]: Finished difference Result 1050 states and 1428 transitions. [2024-11-27 23:37:00,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:37:00,244 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 73 [2024-11-27 23:37:00,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:37:00,247 INFO L225 Difference]: With dead ends: 1050 [2024-11-27 23:37:00,247 INFO L226 Difference]: Without dead ends: 565 [2024-11-27 23:37:00,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:37:00,249 INFO L435 NwaCegarLoop]: 596 mSDtfsCounter, 6 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1780 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:37:00,249 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1780 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:37:00,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-27 23:37:00,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 565. [2024-11-27 23:37:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 502 states have (on average 1.4362549800796813) internal successors, (721), 542 states have internal predecessors, (721), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:37:00,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 753 transitions. [2024-11-27 23:37:00,277 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 753 transitions. Word has length 73 [2024-11-27 23:37:00,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:37:00,278 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 753 transitions. [2024-11-27 23:37:00,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:37:00,278 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 753 transitions. [2024-11-27 23:37:00,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-27 23:37:00,279 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:37:00,279 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:37:00,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-27 23:37:00,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-27 23:37:00,480 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:37:00,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:37:00,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1071903205, now seen corresponding path program 1 times [2024-11-27 23:37:00,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:37:00,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332193540] [2024-11-27 23:37:00,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:37:00,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:37:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:37:01,137 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-27 23:37:01,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:37:01,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332193540] [2024-11-27 23:37:01,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332193540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:37:01,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:37:01,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:37:01,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197178101] [2024-11-27 23:37:01,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:37:01,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:37:01,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:37:01,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:37:01,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:37:01,140 INFO L87 Difference]: Start difference. First operand 565 states and 753 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:37:01,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:37:01,191 INFO L93 Difference]: Finished difference Result 567 states and 753 transitions. [2024-11-27 23:37:01,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:37:01,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 74 [2024-11-27 23:37:01,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:37:01,195 INFO L225 Difference]: With dead ends: 567 [2024-11-27 23:37:01,195 INFO L226 Difference]: Without dead ends: 565 [2024-11-27 23:37:01,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:37:01,196 INFO L435 NwaCegarLoop]: 598 mSDtfsCounter, 1 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:37:01,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1190 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:37:01,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-27 23:37:01,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 565. [2024-11-27 23:37:01,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 502 states have (on average 1.4322709163346614) internal successors, (719), 542 states have internal predecessors, (719), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:37:01,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 751 transitions. [2024-11-27 23:37:01,230 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 751 transitions. Word has length 74 [2024-11-27 23:37:01,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:37:01,231 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 751 transitions. [2024-11-27 23:37:01,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:37:01,231 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 751 transitions. [2024-11-27 23:37:01,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-27 23:37:01,232 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:37:01,232 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:37:01,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 23:37:01,233 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:37:01,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:37:01,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1766560004, now seen corresponding path program 2 times [2024-11-27 23:37:01,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:37:01,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385473861] [2024-11-27 23:37:01,234 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:37:01,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:37:01,661 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 23:37:01,661 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:37:01,979 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-27 23:37:01,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:37:01,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385473861] [2024-11-27 23:37:01,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385473861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:37:01,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:37:01,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:37:01,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517909152] [2024-11-27 23:37:01,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:37:01,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:37:01,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:37:01,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:37:01,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:37:01,981 INFO L87 Difference]: Start difference. First operand 565 states and 751 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:37:02,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:37:02,229 INFO L93 Difference]: Finished difference Result 1036 states and 1402 transitions. [2024-11-27 23:37:02,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:37:02,230 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2024-11-27 23:37:02,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:37:02,233 INFO L225 Difference]: With dead ends: 1036 [2024-11-27 23:37:02,233 INFO L226 Difference]: Without dead ends: 565 [2024-11-27 23:37:02,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:37:02,236 INFO L435 NwaCegarLoop]: 583 mSDtfsCounter, 538 mSDsluCounter, 1727 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 2310 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:37:02,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 2310 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:37:02,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-27 23:37:02,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 565. [2024-11-27 23:37:02,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 502 states have (on average 1.4302788844621515) internal successors, (718), 542 states have internal predecessors, (718), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:37:02,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 750 transitions. [2024-11-27 23:37:02,267 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 750 transitions. Word has length 75 [2024-11-27 23:37:02,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:37:02,267 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 750 transitions. [2024-11-27 23:37:02,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:37:02,267 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 750 transitions. [2024-11-27 23:37:02,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-27 23:37:02,268 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:37:02,268 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 8, 8, 8, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:37:02,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 23:37:02,269 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:37:02,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:37:02,269 INFO L85 PathProgramCache]: Analyzing trace with hash -548795105, now seen corresponding path program 2 times [2024-11-27 23:37:02,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:37:02,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331138414] [2024-11-27 23:37:02,270 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:37:02,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:37:02,622 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 23:37:02,622 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:37:02,790 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-27 23:37:02,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:37:02,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331138414] [2024-11-27 23:37:02,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331138414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:37:02,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83265403] [2024-11-27 23:37:02,790 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:37:02,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:37:02,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:37:02,795 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:37:02,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 23:37:04,034 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 23:37:04,034 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:37:04,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:37:04,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:37:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-27 23:37:04,209 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:37:04,359 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-27 23:37:04,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83265403] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:37:04,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:37:04,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-27 23:37:04,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189488590] [2024-11-27 23:37:04,360 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:37:04,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:37:04,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:37:04,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:37:04,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:37:04,361 INFO L87 Difference]: Start difference. First operand 565 states and 750 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:37:04,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:37:04,512 INFO L93 Difference]: Finished difference Result 565 states and 750 transitions. [2024-11-27 23:37:04,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:37:04,513 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 97 [2024-11-27 23:37:04,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:37:04,516 INFO L225 Difference]: With dead ends: 565 [2024-11-27 23:37:04,516 INFO L226 Difference]: Without dead ends: 564 [2024-11-27 23:37:04,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:37:04,517 INFO L435 NwaCegarLoop]: 587 mSDtfsCounter, 1016 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1027 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:37:04,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1027 Valid, 1231 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:37:04,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-11-27 23:37:04,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 543. [2024-11-27 23:37:04,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 481 states have (on average 1.4449064449064448) internal successors, (695), 520 states have internal predecessors, (695), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:37:04,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 727 transitions. [2024-11-27 23:37:04,545 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 727 transitions. Word has length 97 [2024-11-27 23:37:04,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:37:04,546 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 727 transitions. [2024-11-27 23:37:04,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:37:04,546 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 727 transitions. [2024-11-27 23:37:04,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-27 23:37:04,547 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:37:04,547 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:37:04,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-27 23:37:04,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:37:04,747 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:37:04,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:37:04,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1830696148, now seen corresponding path program 1 times [2024-11-27 23:37:04,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:37:04,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497857157] [2024-11-27 23:37:04,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:37:04,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:37:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:37:05,437 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-27 23:37:05,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:37:05,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497857157] [2024-11-27 23:37:05,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497857157] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:37:05,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666972295] [2024-11-27 23:37:05,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:37:05,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:37:05,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:37:05,442 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:37:05,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 23:37:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:37:06,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 1815 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:37:06,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:37:07,002 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-27 23:37:07,002 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:37:07,140 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-27 23:37:07,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666972295] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:37:07,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:37:07,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-27 23:37:07,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937511881] [2024-11-27 23:37:07,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:37:07,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:37:07,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:37:07,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:37:07,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:37:07,142 INFO L87 Difference]: Start difference. First operand 543 states and 727 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:37:07,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:37:07,314 INFO L93 Difference]: Finished difference Result 1060 states and 1432 transitions. [2024-11-27 23:37:07,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:37:07,315 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 97 [2024-11-27 23:37:07,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:37:07,318 INFO L225 Difference]: With dead ends: 1060 [2024-11-27 23:37:07,318 INFO L226 Difference]: Without dead ends: 567 [2024-11-27 23:37:07,319 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:37:07,322 INFO L435 NwaCegarLoop]: 595 mSDtfsCounter, 6 mSDsluCounter, 2955 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3550 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:37:07,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3550 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:37:07,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-11-27 23:37:07,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 567. [2024-11-27 23:37:07,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 505 states have (on average 1.4237623762376237) internal successors, (719), 544 states have internal predecessors, (719), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:37:07,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 751 transitions. [2024-11-27 23:37:07,357 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 751 transitions. Word has length 97 [2024-11-27 23:37:07,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:37:07,357 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 751 transitions. [2024-11-27 23:37:07,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:37:07,358 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 751 transitions. [2024-11-27 23:37:07,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-27 23:37:07,361 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:37:07,361 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:37:07,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-27 23:37:07,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:37:07,561 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:37:07,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:37:07,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1250756912, now seen corresponding path program 2 times [2024-11-27 23:37:07,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:37:07,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791202604] [2024-11-27 23:37:07,562 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:37:07,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:37:08,125 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:37:08,125 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:37:08,558 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-27 23:37:08,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:37:08,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791202604] [2024-11-27 23:37:08,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791202604] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:37:08,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571339556] [2024-11-27 23:37:08,559 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:37:08,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:37:08,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:37:08,562 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:37:08,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 23:38:02,327 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:38:02,328 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:38:02,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 1953 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:38:02,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:02,512 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-27 23:38:02,513 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:02,775 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-27 23:38:02,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571339556] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:38:02,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:38:02,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-27 23:38:02,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278224882] [2024-11-27 23:38:02,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:38:02,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:38:02,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:02,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:38:02,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:38:02,780 INFO L87 Difference]: Start difference. First operand 567 states and 751 transitions. Second operand has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:38:03,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:03,777 INFO L93 Difference]: Finished difference Result 4012 states and 5737 transitions. [2024-11-27 23:38:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:38:03,778 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 121 [2024-11-27 23:38:03,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:03,794 INFO L225 Difference]: With dead ends: 4012 [2024-11-27 23:38:03,794 INFO L226 Difference]: Without dead ends: 4011 [2024-11-27 23:38:03,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:38:03,796 INFO L435 NwaCegarLoop]: 591 mSDtfsCounter, 5352 mSDsluCounter, 9676 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5422 SdHoareTripleChecker+Valid, 10267 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:03,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5422 Valid, 10267 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:38:03,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4011 states. [2024-11-27 23:38:03,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4011 to 591. [2024-11-27 23:38:03,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 529 states have (on average 1.4158790170132325) internal successors, (749), 568 states have internal predecessors, (749), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:38:03,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 781 transitions. [2024-11-27 23:38:03,861 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 781 transitions. Word has length 121 [2024-11-27 23:38:03,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:03,861 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 781 transitions. [2024-11-27 23:38:03,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:38:03,862 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 781 transitions. [2024-11-27 23:38:03,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-27 23:38:03,863 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:03,863 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:03,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-27 23:38:04,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:04,064 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:38:04,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:04,065 INFO L85 PathProgramCache]: Analyzing trace with hash -683180914, now seen corresponding path program 1 times [2024-11-27 23:38:04,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:04,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168318417] [2024-11-27 23:38:04,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:04,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:05,228 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-27 23:38:05,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:05,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168318417] [2024-11-27 23:38:05,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168318417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:05,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:05,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:38:05,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518971413] [2024-11-27 23:38:05,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:05,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:05,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:05,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:05,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:38:05,238 INFO L87 Difference]: Start difference. First operand 591 states and 781 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:38:09,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:38:09,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:09,599 INFO L93 Difference]: Finished difference Result 1033 states and 1396 transitions. [2024-11-27 23:38:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:38:09,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 126 [2024-11-27 23:38:09,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:09,603 INFO L225 Difference]: With dead ends: 1033 [2024-11-27 23:38:09,603 INFO L226 Difference]: Without dead ends: 592 [2024-11-27 23:38:09,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:38:09,606 INFO L435 NwaCegarLoop]: 560 mSDtfsCounter, 971 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 23 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:09,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 861 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-27 23:38:09,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2024-11-27 23:38:09,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 591. [2024-11-27 23:38:09,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 529 states have (on average 1.4120982986767485) internal successors, (747), 568 states have internal predecessors, (747), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:38:09,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 779 transitions. [2024-11-27 23:38:09,652 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 779 transitions. Word has length 126 [2024-11-27 23:38:09,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:09,652 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 779 transitions. [2024-11-27 23:38:09,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:38:09,653 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 779 transitions. [2024-11-27 23:38:09,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-27 23:38:09,654 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:09,654 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:09,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-27 23:38:09,655 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:38:09,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:09,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1704249268, now seen corresponding path program 1 times [2024-11-27 23:38:09,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:09,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082643946] [2024-11-27 23:38:09,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:09,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:10,260 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-27 23:38:10,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:10,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082643946] [2024-11-27 23:38:10,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082643946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:10,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:10,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:38:10,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464219970] [2024-11-27 23:38:10,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:10,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:38:10,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:10,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:38:10,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:10,264 INFO L87 Difference]: Start difference. First operand 591 states and 779 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:38:10,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:10,508 INFO L93 Difference]: Finished difference Result 978 states and 1338 transitions. [2024-11-27 23:38:10,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:38:10,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 126 [2024-11-27 23:38:10,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:10,511 INFO L225 Difference]: With dead ends: 978 [2024-11-27 23:38:10,512 INFO L226 Difference]: Without dead ends: 644 [2024-11-27 23:38:10,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:10,513 INFO L435 NwaCegarLoop]: 636 mSDtfsCounter, 75 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:10,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1171 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:38:10,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-27 23:38:10,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 594. [2024-11-27 23:38:10,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 534 states have (on average 1.4063670411985019) internal successors, (751), 571 states have internal predecessors, (751), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:38:10,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 783 transitions. [2024-11-27 23:38:10,548 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 783 transitions. Word has length 126 [2024-11-27 23:38:10,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:10,549 INFO L471 AbstractCegarLoop]: Abstraction has 594 states and 783 transitions. [2024-11-27 23:38:10,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:38:10,549 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 783 transitions. [2024-11-27 23:38:10,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-27 23:38:10,550 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:10,551 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:10,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-27 23:38:10,551 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:38:10,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:10,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1703614791, now seen corresponding path program 1 times [2024-11-27 23:38:10,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:10,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549922688] [2024-11-27 23:38:10,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:10,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:11,175 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-27 23:38:11,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:11,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549922688] [2024-11-27 23:38:11,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549922688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:11,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:11,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:38:11,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438197333] [2024-11-27 23:38:11,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:11,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:38:11,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:11,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:38:11,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:11,177 INFO L87 Difference]: Start difference. First operand 594 states and 783 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:38:11,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:11,412 INFO L93 Difference]: Finished difference Result 648 states and 861 transitions. [2024-11-27 23:38:11,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:38:11,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 126 [2024-11-27 23:38:11,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:11,415 INFO L225 Difference]: With dead ends: 648 [2024-11-27 23:38:11,416 INFO L226 Difference]: Without dead ends: 645 [2024-11-27 23:38:11,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:11,418 INFO L435 NwaCegarLoop]: 541 mSDtfsCounter, 191 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:11,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 977 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:38:11,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2024-11-27 23:38:11,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 591. [2024-11-27 23:38:11,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 534 states have (on average 1.400749063670412) internal successors, (748), 568 states have internal predecessors, (748), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:38:11,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 780 transitions. [2024-11-27 23:38:11,462 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 780 transitions. Word has length 126 [2024-11-27 23:38:11,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:11,462 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 780 transitions. [2024-11-27 23:38:11,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:38:11,463 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 780 transitions. [2024-11-27 23:38:11,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-27 23:38:11,465 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:11,465 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:11,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-27 23:38:11,466 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:38:11,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:11,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1292118589, now seen corresponding path program 1 times [2024-11-27 23:38:11,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:11,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870075506] [2024-11-27 23:38:11,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:11,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:12,023 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-27 23:38:12,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:12,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870075506] [2024-11-27 23:38:12,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870075506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:12,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:12,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:38:12,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940418266] [2024-11-27 23:38:12,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:12,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:38:12,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:12,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:38:12,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:12,025 INFO L87 Difference]: Start difference. First operand 591 states and 780 transitions. Second operand has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:38:12,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:12,239 INFO L93 Difference]: Finished difference Result 980 states and 1340 transitions. [2024-11-27 23:38:12,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:38:12,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 127 [2024-11-27 23:38:12,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:12,242 INFO L225 Difference]: With dead ends: 980 [2024-11-27 23:38:12,243 INFO L226 Difference]: Without dead ends: 642 [2024-11-27 23:38:12,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:12,244 INFO L435 NwaCegarLoop]: 569 mSDtfsCounter, 157 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:12,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 1056 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:38:12,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2024-11-27 23:38:12,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 576. [2024-11-27 23:38:12,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 523 states have (on average 1.3919694072657744) internal successors, (728), 553 states have internal predecessors, (728), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:38:12,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 760 transitions. [2024-11-27 23:38:12,279 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 760 transitions. Word has length 127 [2024-11-27 23:38:12,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:12,280 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 760 transitions. [2024-11-27 23:38:12,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:38:12,280 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 760 transitions. [2024-11-27 23:38:12,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-27 23:38:12,281 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:12,282 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:12,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-27 23:38:12,282 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:38:12,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:12,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1272449740, now seen corresponding path program 1 times [2024-11-27 23:38:12,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:12,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426491074] [2024-11-27 23:38:12,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:12,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:13,012 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-27 23:38:13,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:13,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426491074] [2024-11-27 23:38:13,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426491074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:13,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:13,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:38:13,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775712913] [2024-11-27 23:38:13,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:13,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:38:13,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:13,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:38:13,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:13,016 INFO L87 Difference]: Start difference. First operand 576 states and 760 transitions. Second operand has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:38:13,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:13,233 INFO L93 Difference]: Finished difference Result 630 states and 838 transitions. [2024-11-27 23:38:13,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:38:13,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 127 [2024-11-27 23:38:13,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:13,237 INFO L225 Difference]: With dead ends: 630 [2024-11-27 23:38:13,237 INFO L226 Difference]: Without dead ends: 629 [2024-11-27 23:38:13,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:13,238 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 189 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:13,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 1032 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:38:13,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2024-11-27 23:38:13,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 575. [2024-11-27 23:38:13,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 523 states have (on average 1.3900573613766731) internal successors, (727), 552 states have internal predecessors, (727), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:38:13,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 759 transitions. [2024-11-27 23:38:13,277 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 759 transitions. Word has length 127 [2024-11-27 23:38:13,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:13,277 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 759 transitions. [2024-11-27 23:38:13,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:38:13,278 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 759 transitions. [2024-11-27 23:38:13,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-27 23:38:13,279 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:13,280 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:13,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-27 23:38:13,280 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:38:13,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:13,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1441568914, now seen corresponding path program 1 times [2024-11-27 23:38:13,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:13,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932431760] [2024-11-27 23:38:13,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:13,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:13,952 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-27 23:38:13,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:13,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932431760] [2024-11-27 23:38:13,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932431760] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:13,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108228945] [2024-11-27 23:38:13,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:13,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:13,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:13,955 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:13,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 23:38:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:15,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 2036 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:38:15,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:15,644 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-27 23:38:15,644 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:38:15,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108228945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:15,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:15,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-27 23:38:15,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67124879] [2024-11-27 23:38:15,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:15,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:15,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:15,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:15,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:38:15,645 INFO L87 Difference]: Start difference. First operand 575 states and 759 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:38:15,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:15,914 INFO L93 Difference]: Finished difference Result 1085 states and 1480 transitions. [2024-11-27 23:38:15,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:38:15,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 129 [2024-11-27 23:38:15,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:15,917 INFO L225 Difference]: With dead ends: 1085 [2024-11-27 23:38:15,918 INFO L226 Difference]: Without dead ends: 692 [2024-11-27 23:38:15,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:38:15,919 INFO L435 NwaCegarLoop]: 662 mSDtfsCounter, 357 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 1359 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:15,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 1359 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:38:15,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2024-11-27 23:38:15,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 574. [2024-11-27 23:38:15,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 524 states have (on average 1.381679389312977) internal successors, (724), 551 states have internal predecessors, (724), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:38:15,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 756 transitions. [2024-11-27 23:38:15,957 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 756 transitions. Word has length 129 [2024-11-27 23:38:15,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:15,958 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 756 transitions. [2024-11-27 23:38:15,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:38:15,958 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 756 transitions. [2024-11-27 23:38:15,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-27 23:38:15,960 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:15,960 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:15,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-27 23:38:16,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-27 23:38:16,161 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:38:16,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:16,161 INFO L85 PathProgramCache]: Analyzing trace with hash 402493473, now seen corresponding path program 1 times [2024-11-27 23:38:16,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:16,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237253763] [2024-11-27 23:38:16,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:16,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:16,571 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-27 23:38:16,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:16,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237253763] [2024-11-27 23:38:16,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237253763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:16,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:16,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:38:16,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322606033] [2024-11-27 23:38:16,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:16,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:38:16,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:16,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:38:16,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:16,573 INFO L87 Difference]: Start difference. First operand 574 states and 756 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:38:16,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:16,639 INFO L93 Difference]: Finished difference Result 574 states and 756 transitions. [2024-11-27 23:38:16,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:38:16,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 132 [2024-11-27 23:38:16,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:16,642 INFO L225 Difference]: With dead ends: 574 [2024-11-27 23:38:16,642 INFO L226 Difference]: Without dead ends: 573 [2024-11-27 23:38:16,642 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:16,643 INFO L435 NwaCegarLoop]: 583 mSDtfsCounter, 1 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1160 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:16,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1160 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:38:16,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-27 23:38:16,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 573. [2024-11-27 23:38:16,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 524 states have (on average 1.3797709923664123) internal successors, (723), 550 states have internal predecessors, (723), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:38:16,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 755 transitions. [2024-11-27 23:38:16,686 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 755 transitions. Word has length 132 [2024-11-27 23:38:16,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:16,686 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 755 transitions. [2024-11-27 23:38:16,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:38:16,687 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 755 transitions. [2024-11-27 23:38:16,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-27 23:38:16,689 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:16,689 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:16,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-27 23:38:16,689 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:38:16,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:16,690 INFO L85 PathProgramCache]: Analyzing trace with hash -407603243, now seen corresponding path program 1 times [2024-11-27 23:38:16,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:16,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076128979] [2024-11-27 23:38:16,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:16,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:17,961 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-27 23:38:17,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:17,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076128979] [2024-11-27 23:38:17,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076128979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:17,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:17,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:38:17,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839456459] [2024-11-27 23:38:17,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:17,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:17,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:17,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:17,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:38:17,964 INFO L87 Difference]: Start difference. First operand 573 states and 755 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:38:21,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:38:22,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:22,404 INFO L93 Difference]: Finished difference Result 994 states and 1341 transitions. [2024-11-27 23:38:22,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:38:22,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 133 [2024-11-27 23:38:22,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:22,406 INFO L225 Difference]: With dead ends: 994 [2024-11-27 23:38:22,406 INFO L226 Difference]: Without dead ends: 573 [2024-11-27 23:38:22,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:38:22,408 INFO L435 NwaCegarLoop]: 547 mSDtfsCounter, 536 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:22,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 1226 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 97 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-27 23:38:22,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-27 23:38:22,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 573. [2024-11-27 23:38:22,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 524 states have (on average 1.3778625954198473) internal successors, (722), 550 states have internal predecessors, (722), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:38:22,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 754 transitions. [2024-11-27 23:38:22,446 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 754 transitions. Word has length 133 [2024-11-27 23:38:22,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:22,447 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 754 transitions. [2024-11-27 23:38:22,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:38:22,447 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 754 transitions. [2024-11-27 23:38:22,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-27 23:38:22,449 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:22,449 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:22,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-27 23:38:22,449 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:38:22,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:22,450 INFO L85 PathProgramCache]: Analyzing trace with hash 15098583, now seen corresponding path program 1 times [2024-11-27 23:38:22,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:22,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393759695] [2024-11-27 23:38:22,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:22,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:23,395 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-27 23:38:23,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:23,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393759695] [2024-11-27 23:38:23,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393759695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:23,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:23,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:38:23,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575533607] [2024-11-27 23:38:23,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:23,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:38:23,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:23,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:38:23,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:38:23,398 INFO L87 Difference]: Start difference. First operand 573 states and 754 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:38:23,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:23,465 INFO L93 Difference]: Finished difference Result 1001 states and 1348 transitions. [2024-11-27 23:38:23,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:38:23,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 133 [2024-11-27 23:38:23,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:23,468 INFO L225 Difference]: With dead ends: 1001 [2024-11-27 23:38:23,469 INFO L226 Difference]: Without dead ends: 574 [2024-11-27 23:38:23,470 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 [2024-11-27 23:38:23,470 INFO L435 NwaCegarLoop]: 581 mSDtfsCounter, 0 mSDsluCounter, 1160 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:23,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1741 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:38:23,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-27 23:38:23,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2024-11-27 23:38:23,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 525 states have (on average 1.3771428571428572) internal successors, (723), 551 states have internal predecessors, (723), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:38:23,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 755 transitions. [2024-11-27 23:38:23,514 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 755 transitions. Word has length 133 [2024-11-27 23:38:23,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:23,515 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 755 transitions. [2024-11-27 23:38:23,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:38:23,515 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 755 transitions. [2024-11-27 23:38:23,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 23:38:23,517 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:23,517 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:23,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-27 23:38:23,518 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:38:23,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:23,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1623452303, now seen corresponding path program 1 times [2024-11-27 23:38:23,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:23,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135545596] [2024-11-27 23:38:23,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:23,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2024-11-27 23:38:25,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:25,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135545596] [2024-11-27 23:38:25,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135545596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:25,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:25,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:38:25,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887664256] [2024-11-27 23:38:25,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:25,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:38:25,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:25,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:38:25,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:38:25,466 INFO L87 Difference]: Start difference. First operand 574 states and 755 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:38:29,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:38:33,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:38:34,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:34,208 INFO L93 Difference]: Finished difference Result 994 states and 1339 transitions. [2024-11-27 23:38:34,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:38:34,209 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 134 [2024-11-27 23:38:34,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:34,212 INFO L225 Difference]: With dead ends: 994 [2024-11-27 23:38:34,212 INFO L226 Difference]: Without dead ends: 574 [2024-11-27 23:38:34,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:38:34,214 INFO L435 NwaCegarLoop]: 545 mSDtfsCounter, 951 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 1728 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:34,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 1728 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 173 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2024-11-27 23:38:34,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-27 23:38:34,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2024-11-27 23:38:34,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 525 states have (on average 1.3752380952380951) internal successors, (722), 551 states have internal predecessors, (722), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:38:34,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 754 transitions. [2024-11-27 23:38:34,257 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 754 transitions. Word has length 134 [2024-11-27 23:38:34,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:34,258 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 754 transitions. [2024-11-27 23:38:34,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:38:34,259 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 754 transitions. [2024-11-27 23:38:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 23:38:34,265 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:34,265 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:34,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-27 23:38:34,265 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:38:34,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:34,266 INFO L85 PathProgramCache]: Analyzing trace with hash 805803853, now seen corresponding path program 1 times [2024-11-27 23:38:34,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:34,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179424366] [2024-11-27 23:38:34,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:34,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:35,321 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-27 23:38:35,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:35,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179424366] [2024-11-27 23:38:35,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179424366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:35,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354321724] [2024-11-27 23:38:35,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:35,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:35,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:35,324 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:35,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-27 23:38:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:38,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 2054 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:38:38,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:38,429 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-27 23:38:38,429 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:38,620 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-27 23:38:38,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354321724] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:38:38,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:38:38,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-27 23:38:38,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975128604] [2024-11-27 23:38:38,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:38:38,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:38:38,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:38,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:38:38,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:38:38,622 INFO L87 Difference]: Start difference. First operand 574 states and 754 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-27 23:38:38,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:38,832 INFO L93 Difference]: Finished difference Result 1006 states and 1353 transitions. [2024-11-27 23:38:38,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:38:38,833 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 134 [2024-11-27 23:38:38,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:38,836 INFO L225 Difference]: With dead ends: 1006 [2024-11-27 23:38:38,836 INFO L226 Difference]: Without dead ends: 577 [2024-11-27 23:38:38,837 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:38:38,838 INFO L435 NwaCegarLoop]: 580 mSDtfsCounter, 0 mSDsluCounter, 1741 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2321 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:38,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2321 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:38,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-27 23:38:38,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2024-11-27 23:38:38,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 528 states have (on average 1.3731060606060606) internal successors, (725), 554 states have internal predecessors, (725), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:38:38,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 757 transitions. [2024-11-27 23:38:38,877 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 757 transitions. Word has length 134 [2024-11-27 23:38:38,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:38,877 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 757 transitions. [2024-11-27 23:38:38,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-27 23:38:38,877 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 757 transitions. [2024-11-27 23:38:38,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-27 23:38:38,879 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:38,879 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:38,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-27 23:38:39,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:39,080 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-11-27 23:38:39,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:39,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1624621675, now seen corresponding path program 2 times [2024-11-27 23:38:39,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:39,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20602257] [2024-11-27 23:38:39,081 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:38:39,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:39,677 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:38:39,677 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:38:40,373 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-27 23:38:40,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:40,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20602257] [2024-11-27 23:38:40,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20602257] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:40,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774846984] [2024-11-27 23:38:40,373 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:38:40,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:40,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:40,375 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:40,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b0624b-3528-4190-b312-c4056efb15cc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process